| Entries |
| Document | Title | Date |
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| 20080199105 | Method and Apparatus for Spatial Interpolation of Colour Images - This invention concerns the spatial interpolation of colour images and, in particular, the reconstruction, or “de-mosaicing” of data from a single sensor-array electronic camera. Electronic cameras typically have an image sensor comprising a matrix of individual pixel sensors, each sensor being responsive to a colour component. In order to obtain colour component information for all pixels, in accordance with the disclosed embodiment, green component pixel values ( | 08-21-2008 |
| 20080205793 | Generating Image Data - The present invention concerns the generation of image data, particularly, though not exclusively for motion estimation in the context of video coders employing inter frame differential coding. A method is provided for generating image data using a set of sampled pixels, the sampled pixels being representative of a sampled image, the method including the steps of: (i) at intermediate positions between sampled pixels, interpolating the sampled pixels so as to provide at least one set of interpolated pixels arranged along a plurality of lines, the or each set of interpolated pixels having a respective offset relative to the sampled pixels, and, (ii) storing the or each set of interpolated pixels with a respective address in a memory, the addresses forming an ordered sequence, wherein along a given line, neighbouring interpolated pixels having the same offset are stored with respective addresses that are consecutive to one another in the ordered sequence. | 08-28-2008 |
| 20080226197 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An apparatus includes a memory which successively stores frame data of video data, an interpolating unit which generates interpolation frame data which is inserted between the frame data and stores the interpolation frame data in the memory, and a readout unit which successively reads out the frame data and the interpolation frame data from the memory at a frame rate higher than a frame rate of the video data. The apparatus further includes a generating unit which generates image data which is composited with the frame data and stores the image data in the memory, and a control unit which, based on display-related characteristics of the image data, controls the interpolating unit to halt the generation of the interpolation frame data, and also controls the readout unit to read out the frame data in duplicate instead of the interpolation frame data. | 09-18-2008 |
| 20080240617 | INTERPOLATION FRAME GENERATING APPARATUS, INTERPOLATION FRAME GENERATING METHOD, AND BROADCAST RECEIVING APPARATUS - According to one embodiment, there is provided an interpolation frame generating apparatus including a detecting unit which obtains a first frame image and a second frame image continuously following the first frame image from an imparted image signal, compares the first frame image and the second frame image in a luminance component and a color-difference component, and detects a motion vector based on a comparison result, and a generating unit which generates an interpolating motion vector from the motion vector detected by the detecting unit, and generates an interpolation frame image based on the first frame image, the second frame image, and the interpolating motion vector. | 10-02-2008 |
| 20080247671 | Image Processing Device - An image processing device includes: an interpolation unit configured to perform interpolation along each of a plurality of directions in a neighbor region of a predetermined pixel of interest in an input image, and generate interpolation values for each; a chroma signal alias intensity calculating unit configured to calculate alias intensities of chroma signals from interpolation values of each of the plurality of directions from the interpolation unit; and a direction evaluation unit configured to generate evaluation values corresponding to each of the plurality of directions, based on the alias intensity of each of the chroma signals of the plurality of directions from the chroma signal alias intensity calculating unit. | 10-09-2008 |
| 20080247672 | SYSTEM AND METHOD FOR IMAGE PROCESSING OF MULTI-SENSOR NETWORK CAMERAS - An image processing method and system for a multi-sensor network camera. The method and system including generating a plurality of full resolution images in Bayer array format (Bayer images) produced by a plurality of image sensors; interpolating a plurality of low resolution Bayer images from the full resolution Bayer images during the readout of the full resolution images from the sensors, storing the full resolution Bayer images and the interpolated low resolution images in a plurality of buffer memories, respectively and without demosaicing the full resolution Bayer images, during the readout of the full resolution Bayer images from the image sensors, by respective plurality of pre-processors; demosaicing the plurality of low resolution Bayer images to generate a corresponding plurality of low resolution demosaiced images, by an image post processor; and transmitting the plurality of low resolution demosaiced images over a computer network to a user for viewing. | 10-09-2008 |
| 20080253691 | Image processing apparatus, image processing method, and program - In the present invention, there is provided an image processing apparatus including: a detecting section configured to detect a motion vector from an input image signal acting as the image signal for each of chronologically input pixels; a determining section configured to determine whether the input image signal is cleared; and an interpolating section configured such that if the input image signal is not found cleared, then the interpolating section interpolates and outputs an input image signal intermediate signal interposed at a predetermined point in time between the uncleared input image signal and a preceding input image signal that precedes the uncleared input signal, in accordance with the motion vector; and if the input image signal is found cleared, then the interpolating section allows the input image signal to be output unchanged as the input image signal intermediate signal. | 10-16-2008 |
| 20080253692 | Image processing apparatus, image processing method, and program - An image processing apparatus includes: a detecting unit configured to detect a motion vector from an input image signal acting as the image signal for each of chronologically input pixels; a determining unit configured to determine whether the input image signal in terms of a level meets a predetermined condition; and an interpolating unit configured such that if the input image signal is not found to meet the predetermined condition, then the interpolating unit interpolates and outputs an input image signal intermediate signal interposed at a predetermined point in time between the input image signal and a preceding input image signal that precedes the input image signal, in accordance with the motion vector, and if the input image signal is found to meet the predetermined condition, then the interpolating unit allows the input image signal to be output unchanged as the input image signal intermediate signal. | 10-16-2008 |
| 20080279479 | Pixel interpolation apparatus and method thereof - A pixel interpolation method includes the following steps. First, multiple first macroblocks and second macroblocks are generated according to pixel data of a first real pixel row and pixel data of a second real pixel row, respectively. Next, block matching is performed on the first and second macroblocks to find a minimum block difference and a detected direction of a target pixel belonging to a first interpolated pixel row. Thereafter, the target pixel of the first interpolated pixel row is generated by way of interpolation according to the pixel data of the first and second real pixel rows and the detected direction. | 11-13-2008 |
| 20080285888 | IMAGE RESIZING DEVICE AND PARAMETER ADJUSTING METHOD THEREOF - A parameter adjusting method of an image resizing module. The method includes receiving an image signal; and referencing a signal characteristic of the image signal to adjust a parameter with which the image resizing module resizes the image signal. | 11-20-2008 |
| 20080285889 | IMAGE TRANSFORM METHOD FOR OBTAINING EXPANDED IMAGE DATA, IMAGE PROCESSING APPARATUS AND IMAGE DISPLAY DEVICE THEREFORE - It is an object of the present invention to output a clear, expanded image wherein step-shapes or chain-shapes of oblique lines are reduced, distortion is eliminated and no constituent lines of fonts or graphics are missing. An image transform method, for transforming original input image data into image data expanded by a ratio represented by a rational number or an integer, comprises: a vertical and horizontal interpolation unit, for reducing correlation in the vertical and horizontal directions of interpolated image data linearly expanded from an original image data input unit, and for generating first expanded image data; an oblique interpolation unit, for performing linear interpolation, based on correlation with a target pixel constituting the original image data and neighboring pixels arranged in oblique directions, using the neighboring pixels to generate second expanded image data; and a final result generator for employing the first expanded image data and the second expanded image data to generate a final image. | 11-20-2008 |
| 20080298722 | Apparatus for Color Interpolation Using Adjustable Threshold - An apparatus for color interpolation using an adjustable threshold is disclosed. The color interpolation apparatus calculates the difference between the maximum value and the minimum value of the elements of the image data and determines the color interpolation method of the image data depending on the difference to perform the corresponding color interpolation. With the present invention, the improved image quality can be provided because the color interpolation can be performed as a user desires. | 12-04-2008 |
| 20090010569 | IMAGE DATA PROCESSING METHOD AND IMAGE DISPLAY APPARATUS - An image data processing method is provided. In this method, a plurality of original pixel values of an image is input. An interpolation position of a target pixel in the image is determined. Whether the interpolation position is in a central region of an object or in a marginal region of an object is determined. A pixel value interpolation with respect to the interpolation position is performed. When the interpolation position is in the central region of an object, the pixel value interpolation is performed in a first calculation mode, and when the interpolation position is in the marginal region of an object, the pixel value interpolation is performed in a second calculation mode, wherein the first calculation mode may be a low pass filtering interpolation mode, and the second calculation mode may be a linear interpolation mode. | 01-08-2009 |
| 20090016646 | METHOD AND APPARATUS FOR DETECTING DISPLACEMENT WITH SUB-PIXEL ACCURACY - A method for detecting displacement with sub-pixel accuracy includes the steps of: capturing a first array image and a second array image; interpolating the first array image to form a reference image; interpolating the second array image to form a comparison image; comparing the reference image with the comparison image so as to obtain a displacement. The present invention also provides an apparatus for detecting displacement with sub-pixel accuracy. | 01-15-2009 |
| 20090028464 | IMAGE UPSCALING BASED UPON DIRECTIONAL INTERPOLATION - A method for interpolation includes receiving an input image having a plurality of pixels. The edge direction proximate a first pixel of the input image is estimated using a first technique from a plurality of discrete potential directions. An edge direction is selected based upon the estimating the edge direction proximate the first pixel of the input image using a second technique. The pixels proximate the first pixel are interpolated based upon the selected edge direction. The pixels proximate the first pixel are interpolated based upon another technique. An output image is determined pixels having more pixels than the plurality of pixels based upon step (d) and step (e). | 01-29-2009 |
| 20090028465 | Image upscaling technique - A method for interpolation includes receiving an input image having a plurality of pixels. The edge direction proximate a first pixel of the input image is estimated using a first technique from a plurality of discrete potential directions. An edge direction is selected based upon the estimating the edge direction proximate the first pixel of the input image using a second technique. The pixels proximate the first pixel are interpolated based upon the selected edge direction. The pixels proximate the first pixel are interpolated based upon another technique. An output image is determined pixels having more pixels than the plurality of pixels. | 01-29-2009 |
| 20090034878 | PIXEL INTERPOLATION CIRCUIT, PIXEL INTERPOLATION METHOD, AND RECORDING MEDIUM - A correlation along a horizontal direction and a correlation along a vertical direction are calculated with respect to a neighboring region around an interpolation target pixel by using respective pixel values of R pixels, G pixels, and B pixels in Bayer data. The pixel value of the G pixel to be interpolated for the interpolation target pixel is determined based upon pixel values of pixels adjacent to the interpolation target pixel along a direction exhibiting a stronger correlation between the calculated correlations. The interpolation target pixel in the Bayer data is interpolated by using the G pixel of the pixel value determined. | 02-05-2009 |
| 20090041388 | DE-INTERLACING METHOD AND APPARATUS USING REMOTE INTERPOLATION - The present invention is directed to de-interlacing method and apparatus using remote interpolation. An up window and a down window are firstly determined. The closest pair of pixels of the up window and the down window along a direction of 90°, −45°, and 45° is determined, which is then used to interpolate a new pixel. Subsequently, the up window and the down window are moved or stayed according to which pair is determined as being closest. | 02-12-2009 |
| 20090060389 | IMAGE PROCESSING APPARATUS - From an image pickup element, pixel signals of Bayer array are outputted. A correlation calculation part calculates correlation values with respect to a specified pixel in vertical and horizontal directions. A first interpolation part performs a pixel interpolation process while evaluating the correlation highly. A second interpolation part performs a pixel interpolation process while evaluating the correlation relatively low. A complete signal of RGB outputted from the first interpolation part is converted into a luminance signal in a first color space conversion part, and a complete signal of RGB outputted from the second interpolation part is converted into a color difference signal in a second color space conversion part. | 03-05-2009 |
| 20090067755 | SYSTEM AND METHOD FOR GEODESIC IMAGE MATCHING USING EDGE POINTS INTERPOLATION - A method for deformable registration of 2 digital images includes providing a pair of digital images, including a fixed image and a moving image, extracting a set of edge images from each image of the pair of images, each edge set being extracted at a different resolution, selecting a pair of edge images with a lowest resolution, determining a mapping from edge points of the fixed image to edge points of moving image using a geodesic thin plate spline interpolation, applying the mapping to a next higher resolution edge point image of the moving image, selecting a pair of edge images at a next higher resolution, where a moving edge image is the moving edge image to which the mapping has been applied, repeating the steps at a next higher resolution for all edge images in the set of edge images, and applying the mapping to an entire moving image. | 03-12-2009 |
| 20090074328 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus calculates estimated pixel values of respective pixels of a provisional high-resolution image by interpolation on basis of pixel values in a reference frame, segmentalizes interior of the reference frame into an edge region, a texture region or a flat region and other on basis of pixel values of respective pixels, sets the respective pixels in the reference frame as target pixels one by one in sequence, calculates corresponding positions on the provisional high-resolution image, of the respective target pixels in fractional pixel accuracy on basis of information on the segmented regions including the target values, modifies the estimated pixel values so that difference from the pixel values of the target pixels to provisionally estimated pixel values obtained from the estimated pixel values of the provisional high-resolution image for pixels around the corresponding positions of the target pixels, becomes smaller, and obtains modified pixel values. | 03-19-2009 |
| 20090087125 | Image processing device, method and program - An image processing device may include detection means for detecting a motion vector of an input image signal which is an input time-series image signal; interpolation means for interpolating, based on the motion vector, a signal between input image signals which is an image signal at an arbitrary time between the input image signal and a previous input image signal immediately preceding the input image signal, the interpolation means for further outputting an interpolated signal; acquisition means for acquiring superimposition information which indicates the position, in the input image signal, of a predetermined image signal to be superimposed on the input image signal; and specification means for specifying, based on the superimposition information, at least one non-interpolation region of the signal between input image signals in which the interpolation is not performed. | 04-02-2009 |
| 20090092338 | Method And Apparatus For Determining The Direction of Color Dependency Interpolating In Order To Generate Missing Colors In A Color Filter Array - A method of determining an interpolation direction used to generate missing colors in a color filter array comprising red, green and blue photosites, comprises for each red and each blue photosite, examining adjacent photosites in each of a plurality of directions and generating for each direction a score representing the distance a significant intensity change is from the photosite, and selecting as the interpolation direction for each respective red and blue photosite, the direction corresponding to the highest score. | 04-09-2009 |
| 20090110332 | INCREASING RESOLUTION OF VIDEO IMAGES - A method and apparatus for increasing resolution of video images are disclosed. Vectors may be produced based on a sequence of video frames. Low dimensional vectors may be produced from the vectors. Groups of at least two of the low dimensional vectors may be interpolated to produce respective low dimensional interpolated vectors. Each of the low dimensional vectors and the interpolated low dimensional vectors may be mapped, according to a model, to obtain dimensionally increased image information. Aspects of the image information may be included in corresponding video frames and corresponding interpolated video frames. | 04-30-2009 |
| 20090123089 | ADAPTIVE FILTERING FOR IMAGE TRANSFORM PROCESSES - Adaptive filtering techniques are set forth that improve video playback performance. A color similarity metric is computed for source pixels undergoing an image transform operation to determine color values of a target pixel location. The value of the color similarity metric defines what algorithm is used to determine the color values of the target pixel location from the source pixels. While the computation of the color similarity metric introduces additional instructions for each pixel, going against conventional wisdom, enormous performance savings by avoiding unnecessarily complex sets of interpolation instructions where a simpler instruction set suffices, outweighs any such cost from additional instructions. | 05-14-2009 |
| 20090148067 | IMAGE PROCESSING METHOD AND RELATED APPARATUS FOR PERFORMING IMAGE PROCESSING OPERATION ACCORDING TO IMAGE BLOCKS IN HORIZONTAL DIRECTION - An image processing method includes generating a block matching result by performing a block matching operation according to a plurality of image blocks in the horizontal direction without referring to an image block in the vertical or other directions and performing an image processing operation according to the block matching result of the block matching operation. | 06-11-2009 |
| 20090208137 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - The present invention provides an image processing apparatus that generates interpolation image signals based on a motion vector between continuously input time-series image signals and increases time resolution. The image processing apparatus includes a feature variation detecting unit that detects a predetermined feature variation between the time-series image signals; a generation time setting unit that sets a generation time of the interpolation image signals; and an interpolation image signal generating unit that generates the interpolation image signals at the generation time set by the generation time setting unit. In addition, when the generation time setting unit sets the generation time after the feature variation of the time-series image signals has been detected by the feature variation detecting unit, the generation time setting unit sets the generation time to approximate an approximation time of any one of the time-series image signals whose times are arranged before and after the generation time. | 08-20-2009 |
| 20090238492 | SYSTEM, METHOD AND COMPUTER PROGRAM PRODUCT FOR PROVIDING A HIGH RESOLUTION TEXTURE WITHIN AN IMAGE - A system and method for providing a high resolution texture within an image, comprising means to receive texture information contained within a low resolution image and to generate at least a first and a second signal based on the received texture information, wherein the first signal comprises high frequency parts of the received texture information, means to resynthesize the first signal by inserting a plurality of parts of the low resolution image into the high resolution image in an appropriate combination, means to interpolate the second generated signal and means to combine the resynthesized first signal with the interpolated second signal. | 09-24-2009 |
| 20090245694 | MOTION COMPENSATED TEMPORAL INTERPOLATION FOR FRAME RATE CONVERSION OF VIDEO SIGNALS - The present invention relates to a method for interpolating a subpixel at an interpolation position, which is situated in the chronological order between two source frames. Thereby the calculation of the interpolated subpixel's value is based on the value of the pixels of the two source frames and additional weighting coefficients, which are based on the motion vectors correlating the two source frames. | 10-01-2009 |
| 20090252438 | METHOD AND DEVICE FOR IMAGE INTERPOLATION CHARACTERISTIC PROCESSING DEVICE AND IMAGE INTERPOLATION DEVICE USING THE SAME - An image interpolation processing device is provided for interpolating at least one line between two adjacent lines. A prefetch unit is to prefetch pixel data of the two adjacent lines with a predetermined pixel length, so as to obtain a plurality of basic characteristics that are then stored in a first register. A characteristic processing unit is used for cutting and/or linking the basic characteristics to generate at least one set of linked characteristics. The linked characteristics are stored in a second register, as a reference for an operation unit to perform the interpolation. The operations between the operation unit and the prefetch unit are separated by a predetermined edge length. | 10-08-2009 |
| 20090263047 | CONVERTING BAYER PATTERN RGB IMAGES TO FULL RESOLUTION RGB IMAGES VIA INTERMEDIATE HUE, SATURATION AND INTENSITY (HSI) CONVERSION - In one embodiment, R and B values for each G pixel element are interpolated and the RGB values are converted to HSI values. The converted HSI values are interpolated to determine interpolated HSI values for the R and B pixel elements and then the interpolated HSI values are converted to RGB values. | 10-22-2009 |
| 20090285507 | METHOD AND DEVICE FOR SCALING-UP OR SCALING-DOWN IMAGES WITH THE SAME HARDWARE - An image processing device is provided, which scales-up or scales-down images with the same hardware. The device of this invention comprises a line buffer, a first variable, a second variable and a scaler. The scaler practices a scaling-down procedure to scale-down images or scaling-up procedure to scale-up images. | 11-19-2009 |
| 20090285508 | IMAGE ACQUIRING METHOD, IMAGE PROCESSING METHOD, AND IMAGE TRANSFORMING METHOD - An image is picked up through sampling in a predetermined sampling pattern to acquire an image signal representing the image. Sampling information, which concerns the predetermined sampling pattern, is appended to the image signal, which has been acquired. The sampling information is information for discriminating checkered sampling and square sampling from each other. Different sharpness enhancement processing is performed on the image signal and in accordance with the sampling information to obtain a processed image signal. The different sharpness enhancement processing may be a processing in accordance with frequency characteristics of the image signal, which has been acquired, due to the sampling pattern. | 11-19-2009 |
| 20090324136 | Apparatus, method, and computer-readable recording medium for pixel interpolation - A disclosed pixel interpolation apparatus for converting an image to a predetermined resolution includes a first interpolating part configured to calculate a first interpolation pixel value by performing high order interpolation using pixel values of plural first reference pixels and a distance between the plural first reference pixels and a first interpolation pixel; a second interpolating part configured to calculate a second interpolation pixel value by performing weighted interpolation using pixel values of plural second reference pixels, an edge gradient of the second reference pixels, and the distance between the second reference pixels and a second interpolation pixel; an overshoot area detecting part configured to detect an overshoot area in the image; and an interpolation pixel selecting part configured to determine whether to perform the high order interpolation or the weighted interpolation according to a detection result of the overshoot area detecting part. | 12-31-2009 |
| 20100008599 | Resolution Converting Method - A resolution converting method for converting a resolution of a binary image to an integral multiple resolution, includes: representing a density of an arbitrary position of the input image as an interpolation value; overlapping the output image on the input image in a setting that a pixel of an edge section of the output image is shifted by a minutely small quantity from a pixel position of the input image in a horizontal direction and a vertical direction; and allotting an area of a pixel to each pixel of an output image which overlaps an area of the input image, integrating interpolation values of the area of the input image, normalizing an value obtained by the integrating the area of the pixel, and determining a binary data. | 01-14-2010 |
| 20100021085 | Image processing apparatus, image processing method and program - Disclosed herein is an image processing apparatus, including an expansion section configured to expand an input image by interpolation using peripheral pixel values; a positioning section configured to carry out positioning of an expanded image obtained by expansion of the input image and an output image obtained in an immediately preceding operation cycle; a separation section configured to separate the output image into low frequency components and high frequency components; and a mixture-addition section configured to mix the low frequency components with the expanded image and add the high frequency components to the image obtained by the mixture to produce a new output image. | 01-28-2010 |
| 20100046859 | Image Processing Apparatus, Imaging Apparatus, Image Processing Method, and Program - An image processing apparatus includes: an assumed deteriorated image pixel value computing unit configured to calculate a pixel value of an assumed deteriorated image, wherein deterioration of a target image configured of multiple channels is assumed, for each of the channels as an assumed deteriorated image pixel value; a pseudo target image pixel value computing unit configured to calculate, regarding a pixel of interest that is a pixel of the target image corresponding to the assumed deteriorated image, a pixel value estimated for each of the channels as a pseudo target image pixel value for each of the channels based on the pixel values of the pixel of interest, and pixels adjacent thereto; and a restored image creating unit configured to create a restored image restored from the target image based on the calculated assumed deteriorated image pixel value and the calculated pseudo target image pixel value. | 02-25-2010 |
| 20100074558 | Apparatus and method of interpolating image using region segmentation - An apparatus and a method of interpolating an image via a region division are provided. To improve an image quality artifact around an edge, the apparatus to interpolate the image may determine whether an inputted image corresponds to an edge after performing a thinning process with respect to a gradient value of the inputted image, and convert a resolution of the image using optimal location information via a region division and a pixel replacement according to an interpolation direction of the image. | 03-25-2010 |
| 20100074559 | DEVICE FOR INTERPOLATING IMAGE - An image interpolation device, which can perform image interpolation at low cost and with low power consumption. The image interpolation device includes a pixel data storage which temporarily and sequentially holds, in the form of a plurality of unit pixel data groups, data of adjacent pixels in the vertical direction of input image data. The image interpolation device also includes an image memory which can store at least three of the unit pixel data groups. Unit pixel data groups held in the pixel data storage are sequentially written to the image memory. At least two unit pixel data groups stored in the image memory are read simultaneously. | 03-25-2010 |
| 20100092106 | QUASI-QUADRATIC INTERPOLATION OF IMAGE DATA - The presented systems and methods are directed towards processing of image data. Various aspects are directed towards sharpening digital images while other aspects are directed towards interpolating and/or upsampling image data. The utilities have particular application to digital image processing. However, it will be appreciated that aspects of the present invention may be utilized with any pixel imaging application including seismic imaging. | 04-15-2010 |
| 20100119176 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND PROGRAM - An image processing apparatus that converts an input image having first resolution into an output image having second resolution higher than the first resolution includes a super-resolution processing unit that converts the input image into an SR image having the second resolution through motion compensation, a motion mask generating unit that generates a motion mask indicating an accuracy of estimation, an edge direction information generating unit that generates edge direction information indicating an edge direction of each area of the input image, a weight map generating unit that generates a weight map indicating likelihood of the edge direction of each of the areas, an interpolation processing unit that converts the input image into an interpolated image having the second resolution, a weight computing unit that computes a weight, and an image generating unit that generates the output image by constructing a weighted sum of the SR image and interpolated image. | 05-13-2010 |
| 20100150475 | UP-SCALING IMAGES USING INTERPOLATING FUNCTION - An embodiment is a method and apparatus to provide a technique to scale up an image. A first image at a first size is expanded to a second size in first and second dimensions. The second size is larger than the first size and includes the first size and interpolating positions. The expanded image is convolved with a two-dimensional finite-impulse response (FIR) filter having coefficients determined by a two-dimensional interpolating function to generate interpolated pixels at the interpolating positions. The interpolated pixels are part of an up-scaled image at the second size. | 06-17-2010 |
| 20100195934 | IMAGE INTERPOLATION METHOD, IMAGE INTERPOLATION DEVICE, AND PROGRAM - An image interpolation method obtains an image line pixel value between two adjacent image lines. The method acquires a luminance change of pixels of two image lines and decides a region of two image lines where only one portion similar to a part of the luminance change of one of the image lines exists in the luminance change of the other image line in the vicinity of the image to be interpolated. Then, among pixel sets located at the symmetric positions about the object image to be interpolated with respect to the pixel within the region, the set having the highest similarity is selected. By using the pixel value of the selected set, the pixel value of the pixel to be interpolated is decided. | 08-05-2010 |
| 20100246998 | IMAGE INTERPOLATION METHOD AND APPARATUS, AND METHOD FOR OBTAINING INTERPOLATION COEFFICIENTS - An image interpolation method includes: obtaining pixel values of integer pixel points and/or sub-pixel points in the row, column or any other directions of pixel points; obtaining pre-calculated interpolation coefficients, and interpolating the pixel points. A method for obtaining image interpolation coefficients includes: solving a one-dimensional Wiener-Hopf equation to obtain needed interpolation coefficients in different directions. An image interpolation apparatus performs interpolation filter processing on pixel points by using a first obtaining module, a second obtaining module, and a first calculating module. With the image interpolation method and apparatus, and the method for obtaining interpolation coefficients, the interpolation filter accuracy of the pixel points may be improved, the search accuracy of pixel points may be improved, and thus a more accurate matching block may be obtained in a reference image. | 09-30-2010 |
| 20100254630 | METHOD AND APPARATUS FOR FORMING SUPER RESOLUTION IMAGES FROM RAW DATA REPRESENTATIVE OF COLOR FILTER ARRAY IMAGES - A method and apparatus for generating a super-resolution image are provided. The method may include obtaining a first set of RAW data representing a first image captured at a first resolution and obtaining, from the first set of RAW data, at least one first sample of data associated with the first image. The method may also include obtaining a second set of RAW data representing a second image captured at the first resolution, and performing image registration as a function of the first set of RAW data and the second set of RAW data so as to obtain at least one second sample of data associated with the second image. The first set of RAW data is used as a reference for the second set of RAW data. The method further includes combining the at least one first sample of data with at least one second sample of data to form a collection of samples, and interpolating the collection of samples to form the super-resolution image. | 10-07-2010 |
| 20100290715 | IMAGE GENERATION METHOD AND APPARATUS, PROGRAM THEREFOR, AND STORAGE MEDIUM WHICH STORES THE PROGRAM - An image generation method for generating image information of an image C by using an image A and an image B having a bit depth higher than that of image A. Image C having the same bit depth as image B is generated by increasing the bit depth of image A by means of tone mapping; presence or absence of a point in image B corresponding to each pixel position of image C and the position of the relevant corresponding point are estimated; and to each pixel position in image C for which it is estimated that there is a corresponding point, image information of the corresponding position in image B is assigned. It is possible to generate image information at each pixel position in image C for which it is estimated in the corresponding point estimation that there is no corresponding point, by using the image information assigned according to an estimation result that there is a corresponding point. | 11-18-2010 |
| 20100322536 | IMAGE ENLARGEMENT APPARATUS, METHOD, INTEGRATED CIRCUIT, AND PROGRAM - An image enlargement apparatus ( | 12-23-2010 |
| 20110044562 | INTERPOLATOR AND DESIGNING METHOD THEREOF - Interpolation of signed values A and B is efficiently performed by simple circuitry. To calculate an interpolated value C based on a 4-bit values A (bits a | 02-24-2011 |
| 20110052095 | USING CAPTURED HIGH AND LOW RESOLUTION IMAGES - A method for producing an improved high resolution image is disclosed including capturing low resolution images and a high resolution image; combining the low resolution images to provide an aggregate low resolution image; reducing the resolution of the high resolution image to provide an image representative of a low resolution image that could have been captured by the image capture device; interpolating the representative low resolution image to provide an interpolated high resolution image; calculating a residual image from the high resolution image and the interpolated high resolution image; combining the representative low resolution image and the aggregate low resolution image to provide a final low resolution image; and using the final low resolution image and the residual image to provide the improved high resolution image. | 03-03-2011 |
| 20110075947 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND STORAGE MEDIUM - An imaging apparatus includes an intermediate image generating section to generate a second structure component and a second texture component by magnifying each of a first structure component and a first texture component separated from an original image by an intermediate magnification ratio and to synthesize the second structure component and the second texture component to generate an intermediately magnified image, and a final image generating section to generate a finally magnified image by synthesizing a finally magnified structure component generated by magnifying a third structure component separated from the intermediately magnified image by a final magnification ratio, and a finally magnified texture component generated by magnifying the first texture component by the final magnification ratio. | 03-31-2011 |
| 20110075948 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM - An image processing apparatus that generates an output image according to interpolation performed by using an input image includes a pixel-value calculating unit that calculates a pixel value of a pixel of the output image according to interpolation performed by using pixel values of pixels of the input image and an interpolation function, an edge determining unit that determines an edge direction, which is a direction of an edge in the pixel of the output image, using the input image, and an adjusting unit that adjusts the interpolation function such that a degree of pixels of the input image present in a direction along the edge direction contributing to the interpolation is large and a degree of pixels of the input image present in a direction orthogonal to the edge direction contributing to the interpolation is small. | 03-31-2011 |
| 20110081100 | USING A PIXEL OFFSET FOR EVALUATING A PLANE EQUATION - One embodiment of the present invention sets forth a technique controlling the pixel location at which the plane equation is evaluated. Multiple pixel offsets (dx, dy) may be specified that each define to a sub-pixel sample position. Attributes are then calculated for each sub-pixel sample position that is covered by a geometric primitive. One advantage of the technique is that anti-aliasing quality may be improved since high frequency color components may be selectively supersampled for particular geometric primitives. | 04-07-2011 |
| 20110170803 | APPARATUS AND METHOD FOR IMAGE PROCESSING - An image processing apparatus for generating an enlarged image obtained by enlarging an original image. The image processing apparatus includes a change rate calculation unit which calculates a first pixel change rate at a first pixel position of the original image and a second pixel change rate at a second pixel position of the original image; and a pixel value calculation unit which calculates a pixel value at an interpolation position to be interpolated between the first pixel position and the second pixel position of the original image according to an enlargement of the original image, based on the first pixel change rate weighted by a first weight according to the interpolation position and the second pixel change rate weighted by a second weight according to the interpolation position. | 07-14-2011 |
| 20110200274 | METHOD AND SYSTEM FOR IMAGE RESIZING BASED ON INTERPOLATION ENHANCED SEAM OPERATIONS - Methods and systems for resizing an image utilizing content-aware seam operations include defining low-energy seams defining contextually less-important information and utilizing such information for interpolation based on one-dimensional manifolds. The interpolation can form new seams and/or regenerated pixels that can be combined with the image to provide a content-aware resized image exhibiting smooth and continuous features. | 08-18-2011 |
| 20110206297 | IMAGE DATA CONVERTING DEVICE, METHOD FOR CONVERTING IMAGE DATA, PROGRAM AND STORAGE MEDIUM - An image data converting device of at least one embodiment of the present invention for converting, by linear interpolation, input image data having a predetermined resolution into delta arrangement image data having a resolution that is smaller than the predetermined resolution, the image data converting device includes: an even line pixel value converting section for converting a value of each pixel in each even line in the input image data into a value of each pixel in each even line in the delta arrangement image data, by using a predetermined initial value for even lines; and an odd line pixel value converting section for converting a value of each pixel in each odd line in the input image data into a value of each pixel in each odd line in the delta arrangement image data, by using a predetermined initial value for odd lines, the predetermined initial value for odd lines being (1±α)/2(0≦α≦0.5) of the initial value for the even lines. This allows conversion into an image that looks natural by controlling a jaggy and/or colored appearance of a contour section of the image, when image data having a high resolution is converted into the delta arrangement image data having a low resolution. | 08-25-2011 |
| 20110235945 | Image processing apparatus, image processsing method, and program - An image processing apparatus includes: a representative value calculation unit calculating a representative value from an input first image signal; an interpolation unit interpolating the representative value calculated by the representative value calculation unit using a second image signal input after the first image signal; and an adjustment processing unit blending the interpolated image signal and the second image signal so that an output ratio of the image signal interpolated by the interpolation unit is smaller when a variation amount of an image corresponding to the second image signal with respect to an image corresponding to the first image signal is large in comparison to a case when the variation amount is small. | 09-29-2011 |
| 20110268370 | SUPER-RESOLUTION DEVICE AND METHOD - A super-resolution device and method for setting at least one of a plurality of pixels included in image data as target pixels, the image data including pixels arranged in a screen and pixel values representing brightness, an area including the target pixel and peripheral pixels as a target area, and an area for searching pixel value change patterns in the target pixel area; calculating a difference between a first change pattern and second change pattern; comparing a difference between the first and second change patterns; calculating a pixel value of a super-resolution image having a number of pixels larger than a number of pixels included in the image data on the basis of a decimal-accuracy-vector, an extrapolated vector, and pixel values obtained from the image data. | 11-03-2011 |
| 20110274371 | METHOD FOR GENERATING A HIGH QUALITY UP-SCALED IMAGE, AND ASSOCIATED DEVICE - A method for generating a high quality up-scaled image includes: utilizing at least four pixels within a source image as reference pixels within the high quality up-scaled image, where the reference pixels are utilized as a portion of pixels within the high quality up-scaled image, and are utilized as reference for generating another portion of pixels within the high quality up-scaled image; and calculating at least one portion of three linear distribution values corresponding to three quarter points between two adjacent pixels of the reference pixels according to pixel values of the two adjacent pixels and adjusting the portion of the linear distribution values according to pixel values of at least three reference pixels of the four reference pixels, and generating at least one pixel within the high quality up-scaled image accordingly. An associated device is also provided. | 11-10-2011 |
| 20110311162 | SCALING METHOD AND DEVICE FOR IMAGE SIGNALS - Input pixel values associated with input pixel positions having a first spacing along a direction are received and processed to determine output pixel values associated with output pixel positions having a second spacing along the direction, from respective combinations of input pixel values weighted by coefficients given by an interpolation function. In a downscaling operation, the second spacing is larger than the first spacing, and the weighting coefficients represent values of the interpolation function expanded spatially by an expansion factor equal to the ratio of the second spacing to the first spacing. | 12-22-2011 |
| 20110311163 | TEMPORAL VIDEO INTERPOLATION METHOD WITH 2-FRAME OCCLUSION HANDLING - A direction of regularity, which minimizes a directional energy computed from pixel values of consecutive first and second frames of an input video sequence, is respectively associated with each pixel of the first frame and with each pixel of the second frame. Another direction of regularity (v | 12-22-2011 |
| 20120002901 | Method and Device for Image Zooming - A device and a method for image zooming are provided, in which two FIFO buffer units and a read/write control unit are added between a data storage unit and an image zooming unit. The read/write control unit respectively controls two FIFO buffer units to obtain and output the gray values of the pixels on the two adjacent channels to the image zooming unit in parallel. Then, the image zooming unit calculates gray values of pixels to be inserted between the two adjacent channels to finish interpolation. The image zooming unit need not read the gray values of the pixels on the two adjacent channels in the zooming direction from the data storage unit in series and in turn, but instead, may simultaneously read the gray values of the pixels on the two adjacent channels to pixels to be inserted from the two FIFO buffer units in parallel. | 01-05-2012 |
| 20120121208 | IMAGE PROCESSING DEVICE AND METHOD - To obtain a high resolution image from two or more low resolution images, positional offsets among the low resolution images are determined and the low resolution images are mapped onto a common plane according to the positional offsets. Pixel values in the high resolution image are calculated by weighted interpolation from the pixel values of the low resolution images, using interpolation coefficients that increases with increasing correlation with the pixel of interest. Correlation is determined by taking horizontal and vertical first and second derivatives of the pixel values in one low resolution image to find a direction of strong correlation. Appropriate interpolation is thereby obtained even near edges and other abrupt changes in the image. | 05-17-2012 |
| 20120148173 | METHOD AND DEVICE FOR GENERATING MULTI-VIEWPOINT IMAGE - Method and device for generating a multi-viewpoint image are provided. The method of generating a multi-viewpoint image includes the steps of: acquiring at least one reference-viewpoint image; generating unit image information of a virtual-viewpoint image on the basis of unit image information of the reference-viewpoint image; multiplexing the unit image information of the reference-viewpoint image and the unit image information of the virtual-viewpoint image; and generating a multi-viewpoint image by performing an interpolation process on occluded areas between the multiplexed unit image information using the multiplexed unit image information. As a result, it is possible to avoid unnecessary processes of completing and rearranging individual viewpoint images in the course of generating a multi-viewpoint image. | 06-14-2012 |
| 20120163734 | APPARATUS FOR COLOR INTERPOLATION USING ADJUSTABLE THRESHOLD - An apparatus for color interpolation using an adjustable threshold is disclosed. The color interpolation apparatus calculates the difference between the maximum value and the minimum value of the elements of the image data and determines the color interpolation method of the image data depending on the difference to perform the corresponding color interpolation. With the present invention, the improved image quality can be provided because the color interpolation can be performed as a user desires. | 06-28-2012 |
| 20120230608 | IMAGE UPSCALING BASED UPON DIRECTIONAL INTERPOLATION - A method for interpolation includes receiving an input image having a plurality of pixels and estimating an edge direction proximate a first pixel of the input image using a first technique from a plurality of discrete potential directions. Interpolating pixels using a substantially arbitrary scaling factor proximate the first pixel based upon the estimated edge direction and interpolating pixels using substantially arbitrary scaling factor proximate the first pixel based upon another technique not based upon the estimated edge direction. The interpolated pixels are determined for an output image having more pixels than the input image based upon the interpolated pixels of step (c) and step (d). | 09-13-2012 |
| 20120275725 | SYSTEMS AND METHODS FOR EFFICIENT STORAGE OF IMAGE TRANSFORMATIONS - Systems and methods for generating efficient transformed input image address sets for producing a multi-pane output image from an input image are disclosed. The input address sets may be generated by applying a first transformation corresponding to one pane of the output image to output pixel addresses to create first transformed input addresses, applying a second transformation corresponding to another pane to the output image pixel addresses to create second transformed input addresses, and storing, for one output pixel address, a first transformed image pixel address and a second transformed input pixel address and, for another output pixel address, including a first transformed input pixel address, but no second transformed address. | 11-01-2012 |
| 20120321219 | MODIFIED BICUBIC INTERPOLATION - Systems, methods, and other embodiments associated with image scaling are described. According to one embodiment, a method acquiring a set of amplitude values describing pixels in an image. Image scaling is performed on the image. A target pixel is identified from the set of pixels. A preceding pixel is identified to the target pixel. An amplitude range of amplitudes is defined between the amplitude of the preceding pixel and the target pixel. It is determined whether the interpolation between the preceding pixel and target pixel will result in an interpolated pixel having an interpolated amplitude outside of the amplitude range. Based on this determination, an interpolation slope is selected that reduces overshoot or undershoot in interpolation pixels generated between the target pixel and the preceding pixel. | 12-20-2012 |
| 20120321220 | METHOD AND DEVICE FOR VIDEO IMAGE PROCESSING, CALCULATING THE SIMILARITY BETWEEN VIDEO FRAMES, AND ACQUIRING A SYNTHESIZED FRAME BY SYNTHESIZING A PLURALITY OF CONTIGUOUS SAMPLED FRAMES - To acquire a high-resolution frame from a plurality of frames sampled from a video image, it is necessary to obtain a high-resolution frame with reduced picture quality degradation regardless of motion of a subject included in the frame. Because of this, between a plurality of contiguous frames Fr | 12-20-2012 |
| 20120328213 | SUPER-RESOLUTION PROCESSING METHOD AND SYSTEM - Super-resolution processing is regarded as a kind of intersample interpolation process and performed by using a linear interpolation filter designed according to sampled-data control theory. In an error-system model used in the process of designing the filter, a pre-filter is disposed before a sampler and a post-filter is disposed after the zero-order hold in a signal restoration system. At least either one of the characteristic Q(s) of the pre-filter or the characteristic P(s) of the post-filter is designed to be a low-pass characteristic, whereby the gain of the characteristic K(z) of a digital filter within a middle-to-high frequency range is raised. Raising the gain makes jaggies more prominent. To reduce this effect, in an actual processing system, the image to be processed is passed through a low-pass filter to reduce high-frequency components before the linear interpolation is performed. | 12-27-2012 |
| 20120328214 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - This apparatus obtains a mapped position (xo, yo) of (xi, yi), acquires (xi′, yi′) by performing inverse mapping for each reference position being based on (xo, yo), obtains (xi″, yi″) by performing inverse mapping for integer parts xoc and yoc of xo and yo respectively, and performs interpolation using fraction parts of x- and y-coordinates of a position, of (xi″, yi″) and (xi′, yi′), whose integer parts of the x- and y-coordinates respectively coincide with xi and yi, and peripheral pixel values of (xi, yi). | 12-27-2012 |
| 20130028538 | METHOD AND SYSTEM FOR IMAGE UPSCALING - An embodiment provides a method for image upscaling. The method includes anti-aliasing an input image and downsampling the input image to create a lower resolution image. The method also includes interpolating the lower resolution image to obtain a higher resolution image and creating a filter map from the input image and the higher resolution image. The method also includes upsampling the input image using the filter map to create a high-resolution image. | 01-31-2013 |
| 20130051703 | METHOD FOR DETECTING DIRECTIONS OF REGULARITY IN A TWO-DIMENSIONAL IMAGE - When analyzing an image signal having pixel values defined on a sampling grid, the method detects at least one direction of regularity of the image signal in relation to a pixel of the sampling grid. This detection comprises computing a respective loss value associated with at least one direction in a set of directions, and selecting at least one direction of regularity by minimizing the loss value. The loss value associated with a direction (u, v), where u is a horizontal coordinate and v a vertical coordinate, has an axial loss component measuring variations of the pixel values in at least one linear array of pixels. This linear array is a horizontal array |u/v|>1 and a vertical array |u/v|<1. | 02-28-2013 |
| 20130094781 | IMAGE PROCESSING APPARATUS | 04-18-2013 |
| 20130094782 | RE-SAMPLING METHOD AND APPARATUS - An image or other sample processor has a resampling filter adapted to provide output samples at an output sampling frequency which can be selected to be higher or lower than the input sampling frequency. The width of the resampling filter aperture is scaled according to either the input sampling frequency or the output sampling frequency so as to obtain the wider of the two possible filter apertures. | 04-18-2013 |
| 20130142453 | METHOD FOR SIMPLIFIED STORAGE OF DATA REPRESENTING FORMS - A procedure for structuring and storing data representing the form of an object that can be represented by a set of interpolation points, wherein the data representing an object is stored in a hierarchy having at least two levels, wherein a subset of the data representing the object is saved at each level and wherein the data is assigned to the levels by selecting at least two anchor points, whose data is saved in the uppermost hierarchical level, from the set of interpolation points and by consecutively selecting, from the interpolation points remaining in the set, the interpolation point with the largest distance from a line through the interpolation points and anchor points that have already been assigned to levels. | 06-06-2013 |
| 20130156346 | IMAGE INTERPOLATION METHOD AND APPARATUS - An image interpolation method and apparatus are provided. The image interpolation method includes: selecting different interpolation filters according to locations of sub pixels between integer pixels; and generating sub pixel values at the locations of the sub pixels using the selected interpolation filters. | 06-20-2013 |
| 20130216156 | METHOD AND SYSTEM FOR INTERPOLATING FRACTIONAL VIDEO PIXELS - A method and system for interpolating video pixels is described, in which the value of a first fractional pixel is calculated based on the values of the first set of integer pixels, while the value of a second fractional pixel is calculated based on the values of the second set of integer pixels. The first set of integer pixels is not equal to the second set of integer pixels. For example, the first and second set may contain different integer pixels and may contain different numbers of integer pixels. | 08-22-2013 |
| 20130243353 | IMAGE EXPANSION APPARATUS AND IMAGE EXPANSION METHOD - An image expansion apparatus includes a second order differential circuit, a multi-valued processing unit, a first determination unit, a selection unit, and an interpolation processing unit. The first determination unit compares respectively a plurality of fixed patterns, which is each assigned with an interpolation direction in accordance with an outline shape of an image, with spatial dispersion of an output of the multi-valued processing unit. The first determination unit determines a fixed pattern corresponding to the output. The first determination unit determines an interpolation direction assigned to the fixed pattern as a candidate of an interpolation direction for the outline shape. The selection unit selects an interpolation direction of a plurality of candidates of the interpolation direction for the outline shape. The interpolation processing unit generates an interpolation pixel to determine the pixel for the interpolation based on the interpolation direction selected by the selection unit. | 09-19-2013 |
| 20130279827 | Accelerated Video Compression Multi-Tap Filter and Bilinear Interpolator - A set of even interpolated sub-pixels is formed based on a pixel window and a tap coefficient register having a tap coefficient set, the pixel window is shifted and, applying the tap coefficient register a set of odd interpolated pixels is formed. The set of even interpolated sub-pixels and the set of odd interpolated sub-pixels are accumulated, repeatedly, until a termination condition is let. In the accumulating, the tap coefficient register is updated with another tap coefficient set, the pixel window is shifted, and the even interpolated pixels are incremented, the pixel window is then shifted again and the odd interpolated pixels are incremented. | 10-24-2013 |
| 20130308877 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, COMPUTER PROGRAM FOR PROCESSING IMAGES, AND RECORDING MEDIUM - An image processing device that, even when a degradation model differs from a real degradation process of an obtained low-resolution image, generates a high-resolution image while restricting noises from occurring due to differences between the degradation model and the real degradation process. The image processing device includes: an enlargement interpolation unit generating a first high-resolution image that is higher in resolution than the low-resolution image; a super resolution processing unit generating, from the low-resolution image, a second high-resolution image; a feature generating unit generating features by using the low-resolution image; a difference calculating unit calculating difference values between values of pixels; an adjustment unit calculating corrected difference values by correcting the difference values by using the features; and a combination unit generating a third high-resolution image by adding corrected difference values to values of corresponding pixels in the first high-resolution image. | 11-21-2013 |
| 20130315505 | Content Creation Using Interpolation Between Content Versions - One or more derived versions of image content may be obtained by interpolating two or more source versions of the same image content. A derived version may be targeted for a class of displays that differs from classes of displays targeted by the source versions. Source images in a source version may have been color graded in a creative process by a content creator/colorist. Interpolation of the source versions may be performed with interpolation parameters having two or more different values in two or more different clusters in at least one of the source images. A normalized version may be used to allow efficient distribution of multiple versions of the same content to a variety of downstream media processing devices, and to preserve or restore image details otherwise lost in one or more of the source versions. | 11-28-2013 |
| 20130315506 | IMAGE MAGNIFICATION DEVICE AND METHOD - An interpolation computation unit ( | 11-28-2013 |
| 20130322784 | 2D RINGING AND OVERSHOOT CONTROL IN IMAGE RESCALING - The methods and systems of this invention allow for independent adaptive control of ringing and overshoot effects in 2-dimensional array interpolation processes, including in image and video rescaling and analysis. The methods and systems can use either a column-wise or a row-wise interpolation, or a combination thereof. Each uses a respective preliminary interpolation of data, followed by ringing and/or overshoot control. Controllable parameters allow variability in the amount of ringing and/or overshoot retained in the interpolated data. The ringing and overshoot controls apply a local analysis of the data to adjust the preliminary interpolation results. The methods may be repeated iteratively, for example, to obtain a desired rescaling of an image data array. | 12-05-2013 |
| 20140072243 | Method and system for image processing - The disclosure provides a method for image processing, including: loading and decrypting an image file to obtain an original image, and saving the original image; shrinking the original image to obtain a pending image with a preset resolution, and saving the pending image; editing the pending image and previewing the pending image in real time; and editing the original image after the real-time previewing. The disclosure also provides a system for image processing. the disclosure can increase efficiency of real-time preview at the time of image editing. | 03-13-2014 |
| 20140126840 | IMAGE PROCESSING APPARATUS AND PIXEL INTERPOLATION METHOD - A periodicity determining unit determines whether an image region including a target pixel is a periodic region in which pixel values vary periodically. A first generating unit generates a pixel value using a first interpolation method. A second generating unit generates a pixel value using a second interpolation method. A control unit determines, based on the determination result of the periodicity determining unit, which one of the first and second generating units is to be used for generating a pixel value of the target pixel. A pixel value inserting unit inserts the generated pixel value to the target pixel. The periodicity determining unit includes a cycle estimating unit to estimate, using pixel values of pixels within the image region, a variation cycle of the pixel values, and/or a determining unit to determine whether each region positioned at left and right sides of the target pixel is the periodic region. | 05-08-2014 |
| 20140153844 | INTERPOLATION METHOD AND PREDICTION METHOD USING SAME - The present invention relates to a method of performing interpolation for prediction between screens by using a pixel sample of a current picture and a pixel sample of a reference picture, and a prediction method using same. The interpolation method according to the present invention includes: calculating movement information for generating a prediction block; and generating a partial pixel sample on the basis of an integer sample set including integer pixel samples to which an interpolation filter is applied. Here, the integer sample set includes at least one current integer sample used to generate a partial pixel sample among restored integer pixel samples of a current picture, and the partial pixel sample corresponds to the offset positions of a partial pixel unit from a predetermined reference pixel sample among integer pixel samples. | 06-05-2014 |
| 20140198996 | METHOD AND APPARATUS FOR PERFORMING INTERPOLATION BASED ON TRANSFORM AND INVERSE TRANSFORM - Provided are a method and apparatus for interpolating an image. The method includes: selecting a first filter, from among a plurality of different filters, for interpolating between pixel values of integer pixel units, according to an interpolation location; and generating at least one pixel value of at least one fractional pixel unit by interpolating between the pixel values of the integer pixel units by using the selected first filter. | 07-17-2014 |
| 20150016749 | IMAGE INTERPOLATION METHOD AND IMAGE INTERPOLATION DEVICE AND IMAGE APPARATUS USING THE SAME - An image interpolation method and an image interpolation device and an image apparatus using the image interpolation method are provided. The image interpolation method uses a probabilistic neural network model to perform an adaptive interpolation on an image. The image interpolation method includes the following steps. Firstly, plural reference points neighboring an interpolation point are selected. Then, an anisotropic Gaussian function value of each reference point of the plural reference points is obtained according to an edge direction angle, a horizontal smoothing parameter, a vertical smoothing parameter and a distance between each reference point and the interpolation point. Afterwards, a statistics method is performed to integrate and compute the anisotropic Gaussian function values of the plural reference points, thereby obtaining an interpolation value of the interpolation point. | 01-15-2015 |
| 20150104116 | METHOD AND APPARATUS FOR PERFORMING SUPER-RESOLUTION - A method for performing super-resolution comprises steps of generating the high-resolution, low-frequency spatial and temporal bands of the input video sequence by interpolation, synthesizing the high-resolution, high-frequency spatial band by cross-frame spatial high-frequency extrapolation, and fusing these two bands to generate the spatio-temporally super-resolved video sequence A corresponding system for performing super-resolution comprises a stage where the high-resolution, low-frequency spatial and temporal bands of the input video sequence is generated by interpolation, a stage where the high-resolution, high-frequency spatial band is synthesized by cross-frame spatial high-frequency extrapolation, and a stage where these two bands are fused to generate the spatio-temporally super-resolved video sequence. | 04-16-2015 |
| 20150147004 | MODIFIED BICUBIC INTERPOLATION - Systems, methods, and other embodiments associated with image scaling are described. According to one embodiment, a method includes acquiring a set of amplitude values describing pixels in an image. A target pixel is identified from the set of pixels and a preceding pixel is identified to the target pixel. An amplitude range of amplitudes is defined between the amplitude of the preceding pixel and the target pixel. The method determines whether the interpolation between the preceding pixel and target pixel will result in an interpolated pixel having an interpolated amplitude outside of the amplitude range. An interpolation slope is determined that reduces overshoot or undershoot in interpolation pixels generated between the target pixel and the preceding pixel. | 05-28-2015 |
| 20150324953 | METHOD AND APPARATUS FOR PERFORMING SINGLE-IMAGE SUPER-RESOLUTION - In a method for performing super-resolution of a single image, a high-resolution version of an observed image is generated by exploiting cross-scale self-similarity, wherein up-scaling and analysis filters are used. The up-scaling and analysis filters are adaptively selected according to local kernel cost. | 11-12-2015 |
| 20150356708 | TARGET IMAGE GENERATION UTILIZING A FUNCTIONAL BASED ON FUNCTIONS OF INFORMATION FROM OTHER IMAGES - An image processing system comprises an image processor configured to construct a designated functional based on a plurality of functions each associated with a corresponding portion of image information relating to at least first and second images, and to generate a target image utilizing the constructed functional. For example, the functions may comprise a set of functions f | 12-10-2015 |
| 20150356709 | INTERPOLATION METHOD AND CORRESPONDING DEVICE - A method for estimating occlusion in a virtual environment comprising at least two objects and observed from a viewpoint. Thereafter, a second item of information representative of the distance separating a second fragment of a second object from the viewpoint according to an observation direction is computed; the second item of information is compared with a first item of information representative of the distance separating a first fragment of a first object from the viewpoint according to the observation direction and is stored in a first buffer memory. If the second item of information is less than the first item of information, then a third item of information representative of attributes associated with the second fragment is estimated, the second item of information is stored in a second buffer memory and of the third item of information is stored in a third buffer memory. If the second item of information is greater than the first item of information, then the first item of information is stored in the second buffer memory. | 12-10-2015 |
| 20150363910 | METHOD FOR EDGE-DIRECTED ADAPTIVE IMAGE INTERPOLATION AND VLSI IMPLEMENTATION DEVICE FOR THE SAME - Disclosed is a method for edge-directed adaptive image interpolation and a VLSI implementation device thereof. The method comprises: computing gradient magnitude and gradient direction of source image, obtaining edge information by comparing gradient magnitude and local adaptive threshold value, edge direction is vertical direction of the gradient direction; classifying edge direction, and filtering using edge information, so that an image is divided into regular edge region and non-edge region. Regular edge region interpolation is conducted along edge direction, methods of improved bicubic interpolation, parallelogram bicubic interpolation and parallelogram bilinear interpolation based on local gradient information are adopted according to classification of edge information; non-edge region image interpolation is conducted by adopting improved bicubic interpolation method based on local gradient information. The device of the present invention comprises edge information extracting module, adaptive interpolation module, input line field synchronous control module and scaling line field synchronous control module. | 12-17-2015 |
| 20160012566 | Image Interpolation Method and Image Interpolation System | 01-14-2016 |
| 20160086308 | IMAGE PROCESSING APPARATUS - A first interpolation processor of an image processing apparatus performs a first interpolation process, using values of a plurality of input pixels of an input image aligned in an arranged direction that is one of a horizontal direction and a vertical direction. Thus, the first interpolation processor derives a value of each of a plurality of noted points on an inclined interpolation line inclined relative to the horizontal direction and extending through a location of a processed pixel of an output image. Moreover, second interpolation processor derives a value of the processed pixel by performing a second interpolation process, using the derived values of the plurality of noted points on the inclined interpolation line. | 03-24-2016 |
| 20160093016 | BAYER-CONSISTENT RAW SCALING - A system and method for scaling an image includes receiving raw image data comprising input pixel values which correspond to pixels of an image sensor; and filtering pixels according to a Bayer-consistent ruleset. The system and method may also include outputting scaled image data as output pixel values, which correspond to subgroups of the input pixel values. The Bayer-consistent ruleset includes a set of filter weights and a series of scaling rules. The Bayer-consistent ruleset results in a scaled image having a high degree of Bayer-consistency. | 03-31-2016 |
| 20160093022 | METHOD AND APPARATUS FOR PROCESSING SUPER RESOLUTION IMAGE USING ADAPTIVE PREPROCESSING FILTERING AND/OR POSTPROCESSING FILTERING - A method of processing a super resolution image using adaptive preprocessing filtering and/or postprocessing filtering is provided. A provided image processing apparatus may determine a preprocessing filter and a postprocessing filter based on frames included in a reference interval among a plurality of intervals in an input video, may perform filtering on the frames in the reference interval based on the preprocessing filter, may reconstruct a high frequency signal of each of the frames on which the filtering is performed, and may perform filtering on the frames, each having the reconstructed high frequency signal, based on the postprocessing filter. | 03-31-2016 |
| 20160119578 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device and method can perform interpolation that reduces overshoot and ringing on a step edge while maintaining high frequency components. The image processing device includes a vertical step edge area determination unit that determines a vertical step edge area of an image, a horizontal step edge area determination unit that determines a horizontal step edge area of the image, and an interpolation unit that performs an interpolation based on the vertical step edge area and the horizontal step edge area. | 04-28-2016 |
| 20160171651 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE PROCESSING SYSTEM FOR PERFORMING SUB-PIXEL INTERPOLATION | 06-16-2016 |
| 20160171656 | SYSTEM FOR VIDEO SUPER RESOLUTION USING SEMANTIC COMPONENTS | 06-16-2016 |
| 20160253784 | SYSTEM FOR VIDEO SUPER RESOLUTION USING SEMANTIC COMPONENTS | 09-01-2016 |
