Patent application number | Description | Published |
20080198931 | System and method for introducing virtual zero motion vector candidates in areas of a video sequence involving overlays - Systems and methods for efficiently encoding and/or reformatting video data including transparent overlay portions are disclosed. In one embodiment, the method includes using two prediction regions for predicting the portion of the video including the transparent overlay. In one embodiment, a first of the two prediction regions is determined based on motion compensated prediction in reference to another video frame and a second of the two prediction regions is a collocated portion of video in another frame as referenced by a virtual zero motion vector. A mixing weight factor to be used for combining the two predictions is determined. In one embodiment, the mixing weight factor is determined based on the relative values of two error metrics, a first error metric related to the motion compensated prediction and a second error metric related to the collocated prediction of the virtual zero motion vector. | 08-21-2008 |
20080204600 | System and method for video noise reduction using an adaptive temporal method with motion detection and motion compensation - An adaptive temporal noise reduction method that adaptively combines motion adaptive filtering results and motion compensated results to reduce Gaussian additive noise in video sequences is described herein. The system determines the motion detection and motion compensation results from the current frame and the filtered previous frame. Measurements on the video are used to determine a probabilistic measure of noise that is employed to adaptively combine the motion detection and motion compensation results. | 08-28-2008 |
20080205854 | System and method for video noise reduction using a unified three-dimensional non-linear filtering - The system described herein is a unified approach to three-dimensional filtering for the reduction of video noise. The technique is based on weight averaging pixels of the filter's output value in a three-dimensional neighborhood, in space and time, of the filter's output value. The weights can be computed for individual factors, such as distance, regional differences, etc., or can be combined into a weight that is indicative of all individual weights. | 08-28-2008 |
20080231746 | Method and system for edge directed deinterlacing in video image processing - A method and a system is provided for deinterlacing interlaced video containing an interlaced image field f including scan lines of multiple pixels. Such deinterlacing involves detecting the one or more edge directions in the image field f using principal component analysis (PCA), and performing spatial interpolation to reconstruct a missing pixel value in the image field f substantially along each of the one or more detected edge directions. | 09-25-2008 |
20080247664 | SYSTEM AND METHOD FOR AN ADAPTIVE DE-BLOCKING FILTER AFTER DECODING OF COMPRESSED DIGITAL VIDEO - A system and method that adjusts the strength of a de-blocking filter to remove block artifacts in compressed video is disclosed. Block artifacts are associated with the block-based image/video compression techniques. The block artifacts deteriorate the quality of compressed image and video, especially at low bit rates. A de-blocking method estimates the strength of the block artifacts at each block boundary either directly from the MPEG decoder or from a measurement process or both, and adjusts the de-blocking parameters accordingly. An additional block content analysis improves the performance of the overall de-blocking process. | 10-09-2008 |
20080292000 | SYSTEM AND METHOD OF PROVIDING MOTION ESTIMATION - A system and method of providing motion estimation is disclosed. A recursive motion estimation module works in conjunction with a non-recursive motion estimation module to provide candidate motion vectors to a selection module. The selection module determines which of the candidates is more likely to yield a desirable result and selects that candidate accordingly. | 11-27-2008 |
20080316356 | DETECTION OF PROGRESSIVE PULLDOWN IN A VIDEO SEQUENCE - System and methods for the detection of progressive pulldown in a video sequence are provided. The method comprises calculating a difference between temporally adjacent frames in the video sequence, generating a pattern based upon these differences, and comparing the generated pattern against patterns understood for known progressive film modes in order to determine if the video sequence comprises a known progressive film mode. In one embodiment, the pattern may be adjusted to account for uncertainty in assigning values to the pattern, reducing the likelihood of false detections. In another advantage, confidence metrics are built into the method in order to further reduce the incidence of false detections. | 12-25-2008 |
20080316359 | DETECTION AND INTERPOLATION OF STILL OBJECTS IN A VIDEO SEQUENCE - The present disclosure provides systems and methods for detecting and interpolating still pixels. In certain embodiments, the systems and methods establish a still pixel level for each still pixel, and using that still pixel level, provide an interpolation procedure for determining the pixel value of a selected pixel at a frame a distance α from frame F(t−1). Disclosed embodiments are capable of providing motion compensated interpolation results for a wide variety of circumstances, including cases where the endpoints of the motion vector of a selected pixel to be interpolated vary between substantially still and not still, as well as cases where mixtures of temporal and motion compensation interpolations are necessary. | 12-25-2008 |
20080316372 | VIDEO DISPLAY ENHANCEMENT BASED ON VIEWER CHARACTERISTICS - A video display with a display screen adapted to display video images according to adjustable display parameters, for example brightness, contrast, and/or sharpness, and at least one viewer sensor configured to determine at least one variable viewing characteristic and wherein the display is adapted to adjust the display parameters to adjust the displayed video image quality at least partially as a function of the variable viewing characteristic. A method of adjusting displayed image quality of a video display system, including inducing the video display system to determine at least one characteristic of a current viewing situation and adjusting one or more variable display parameters at least partially as a function of the determined characteristics. The viewing characteristics can include viewing time, viewing distance, and other. | 12-25-2008 |
20080317123 | SYSTEM AND METHOD FOR STILL OBJECT DETECTION BASED ON NORMALIZED CROSS CORRELATION - A system and method for still object detection in digital video data based on normalized cross correlation are disclosed. One embodiment of the method includes providing video data including a sequence of frames. A pair of consecutive frames are selected from the sequence of frames. A pair of groups of pixels are selected from the pair of consecutive frames. The groups are at corresponding positions on the pair of consecutive frames. The video data includes pixel data for each of the pixels. A normalized cross correlation (NCC) operation is conducted on the pixel data of the selected pair of groups of pixels, thereby generating an NCC value. It is determined whether the NCC value is within a predetermined range, thereby providing whether the groups of pixels displays at least a portion of a still object. | 12-25-2008 |
20080317127 | SYSTEM AND METHOD FOR CORRECTING MOTION VECTORS IN BLOCK MATCHING MOTION ESTIMATION - A system and method for processing video data is disclosed. In one embodiment, the method includes receiving a first video frame and a second video frame, where the video frames comprise a plurality of blocks of pixels. The method further includes obtaining motion vector information identifying positions of a plurality of matching blocks between the first frame and the second frame, and calculating a measure related to an angle between a first motion vector for a first block in the first frame and a second motion vector for a second block in the first frame, where the second block is located at a frame position in the first frame within a neighborhood of the frame position in the second frame identified by the first motion vector. The method further includes determining that the first and second motion vectors are conflicting based on the calculated angle measure and modifying at least one of the first motion vector and the second motion vector if the first and second motion vectors are determined to be conflicting. | 12-25-2008 |
20080317128 | SYSTEM AND METHOD FOR BOUNDARY MOTION VECTOR CORRECTION IN MOTION COMPENSATED FRAME RATE - A system and method for more efficiently determining motion vectors of uncovering areas adjacent the edge of frames when the frame image is moving in the direction of the frame boundary. Backwards motion estimation is used to determine a block of video data which is, in one implementation, the block of video data adjacent the frame edge having a reliable motion vector known from the first frame. Once the block is identified, the blocks of video data in the uncovering area between the identified block and the frame boundary can then be assigned the motion vector data of the identified block. | 12-25-2008 |
20080317129 | SYSTEM AND METHOD FOR PERIODIC PATTERN DETECTION FOR MOTION COMPENSATED INTERPOLATION - A method for detecting a pattern in an image includes defining a set of pixel values in an image using a window and calculating a Fourier transform of the pixel values. In one embodiment, the Fourier transform of the pixel values forms a spectrum. The method further comprises analyzing the spectrum of the Fourier transform to find a peak and analyzing the peak to determine whether the peak is indicative of the presence of a pattern in the image. | 12-25-2008 |
20090060041 | SYSTEM AND METHOD FOR MOTION VECTOR COLLECTION FOR MOTION COMPENSATED INTERPOLATION OF DIGITAL VIDEO - A system and method of collection motion vectors for motion compensated interpolation of digital video are disclosed. For example, one embodiment includes a method of identifying motion vectors for interpolating a portion of a digital video signal. The method comprises identifying a plurality of motion vectors indicative of differences between first and second frames of a digital video signal and projecting each of the motion vectors to a location within a third frame at a time associated with the third frame. The method further includes determining a measure of overlap of each projected location with a portion of a third frame to be interpolated, selecting at least one motion vector based on the measure, and generating at least a portion of a third frame based on the selected at least one motion vector selected. Other embodiments include a system and device configured to perform the method. | 03-05-2009 |
20090060042 | SYSTEM AND METHOD FOR MOTION VECTOR COLLECTION BASED ON K-MEANS CLUSTERING FOR MOTION COMPENSATED INTERPOLATION OF DIGITAL VIDEO - A system and method of collection motion vectors for motion compensated interpolation of digital video are disclosed. For example, one embodiment includes a method of identifying motion vectors for interpolating a portion of a digital video signal. The method comprises identifying a plurality of motion vectors indicative of differences between first and second frames of a digital video signal, assigning each of the plurality of motion vectors to one of a plurality of clusters, selecting at least one motion vector assigned to each of the plurality of clusters, and generating at least a portion of a third frame based on the at least one motion vector selected for each of the plurality of clusters. Other embodiments include a system and device configured to perform the method. | 03-05-2009 |
20090129473 | SYSTEM AND METHOD FOR ADJUSTING COMPRESSION NOISE REDUCTION BASED ON GLOBAL AND LOCAL MOTION DETECTION - A method of processing image data, comprising receiving image data, the image data discretizable into a plurality of segments and a plurality of motion vectors, each motion vector having a length and being associated with one of the plurality of segments, analyzing the motion vector of one of the plurality of segments of the image data, wherein the length of the motion vector is compared to a predetermined value, and adjusting the one segment by adjusting the degree of noise reduction applied to the image data comprising the segment. | 05-21-2009 |
20090245755 | METHOD AND SYSTEM FOR IMAGE SCALING DETECTION - A method and system for image scaling detection is provided. Image scaling detection involves receiving a decoded scaled input image having a plurality of pixels, wherein the input image has a scaling ratio relative to an original image; detecting blocking boundary artifact pixels in the image; determining a sum of pixel values for each blocking boundary artifact; detecting the pixel distance value between each pair or neighboring block boundaries; and determining the scaling ratio based on a distance value and said sum of pixel values. | 10-01-2009 |
20090297052 | SYSTEM AND METHOD FOR ESTIMATING THE CENTERS OF MOVING OBJECTS IN A VIDEO SEQUENCE - Systems and methods for estimating the centers of moving objects in a video sequence are disclose. One embodiment is a method of defining one or more motion centers in a video sequence, the method comprising receiving a video sequence comprising a plurality of frames, receiving a motion history image for each of a subset of the plurality of frames based on the video sequence, identifying, through use of the motion history image, one or more data segments having a first orientation, wherein each data segment having the first orientation has a start location and a length, identifying, one or more data segments having a second orientation, wherein each element of a data segment having the second orientation is associated with a data segment having the first orientation, and defining a corresponding motion center for one or more of the indentified data segments having the second orientation. | 12-03-2009 |
20090322956 | SYSTEM AND METHOD FOR MOTION ESTIMATION OF DIGITAL VIDEO USING MULTIPLE RECURSION RULES - A system and method of providing motion estimation is disclosed. A recursive motion estimation module applies multiple recursive motion estimation rules which have complimentary performance advantages. A selection module provides a switching scheme which determines which rule to apply to a specific block within a video frame. | 12-31-2009 |
20100013989 | METHOD AND SYSTEM FOR CONTROLLING FALLBACK IN GENERATING INTERMEDIATE FIELDS OF A VIDEO SIGNAL - A method and system for generating intermediate fields of a video signal are provided. One implementation involves generating intermediate fields of a video signal, by performing interpolation for generating said intermediate (missing) fields of said video signal; and applying fallback interpolation when quality of the interpolated fields is below a threshold or when valid motion information cannot be determined. Fallback interpolation involves estimating a global motion of a scene represented by the video signal, determining a periodic motion count based on the estimated global motion, and controlling application of fallback interpolation based on said periodic motion count. | 01-21-2010 |
20100013992 | METHOD AND SYSTEM FOR DETECTING MOTION AT AN INTERMEDIATE POSITION BETWEEN IMAGE FIELDS - A method and system for detecting motion at a temporal intermediate position between image fields is provided. One implementation involves detecting an uncovering area in the temporal intermediate position in an image field; determining a motion vector candidate, in place of a current original motion vector, for the temporal intermediate position with a detected uncovering area; and determining a motion vector representing motion at the temporal intermediate position by combining the candidate motion vector with a current original motion vector for the temporal intermediate position. Erroneous motion vectors in uncovering areas are eliminated. | 01-21-2010 |
20100027845 | SYSTEM AND METHOD FOR MOTION DETECTION BASED ON OBJECT TRAJECTORY - A system and method for controlling a device via gesture recognition is disclosed. In one embodiment, the system comprises a video capture device configured to capture video of an object, a tracking module configured to track the position of the object, thereby defining a trajectory, a trajectory analysis module configured to determine whether or not a portion of the trajectory defines a recognized gesture, and a control module configured to change a parameter of the device when it is determined that the trajectory of the object defines a recognized gesture. | 02-04-2010 |
20100045856 | SYSTEM AND METHOD FOR REDUCING VISIBLE HALO IN DIGITAL VIDEO WITH DUAL MOTION ESTIMATION - Embodiments include systems and methods for interpolating frames. In one embodiment, a system and method provides reduced halo and consequently a higher degree of accuracy/fidelity. In one embodiment, a method of video frame interpolation includes receiving forward and backward motion estimation data based on a first video frame and a second, subsequent, video frame. Each block in a plurality of blocks of pixels in an intermediate frame between the first and second frames is classified according to measures of covering and uncovering associated with the forward and backward motion estimation data. A block to be constructed is estimated based on the classification results of proximal ones of the plurality of blocks to the block to be constructed. | 02-25-2010 |
20100142849 | Method and apparatus for shoot suppression in image detail enhancement - A general shoot suppression method and system for image detail enhancement that provides good suppression in shoot areas while preserving the enhancement (with less or no suppression) in non-shoot areas. Asymmetry checker checks the luminance variation of pixels around the current pixel within a filtering range. Based on the checking result, different patterns of luminance variation in the neighborhood of the current pixel are categorized. Higher suppression is applied to those patterns that are more likely to cause overshoot/undershoot. Optionally, suppression is further associated with the intensity of detail signal at each pixel position. An intensity checker checks the magnitude of the detail signal. If the detail signal is weak at a current pixel position, it is unlikely that obvious shoot artifacts appear at that position, and little or no suppression is applied. Such a method and system provide shoot suppression only in shoot areas while maintaining good enhancement in non-shoot areas. | 06-10-2010 |
20100202663 | SYSTEM AND METHOD FOR ADAPTIVELY DEFINING A REGION OF INTEREST FOR MOTION ANALYSIS IN DIGITAL VIDEO - A system and method for adaptively defining a region of interest for motion analysis in digital video is disclosed. In one embodiment, a method of detecting a gesture is disclosed which comprises receiving a video sequence comprising a plurality of frames, determining a region of interest which excludes a portion of the frame, and detecting the gesture within the region of interest. | 08-12-2010 |
20100226573 | SYSTEM AND METHOD FOR BLOCK EDGE LOCATION WITH VARYING BLOCK SIZES AND OFFSETS IN COMPRESSED DIGITAL VIDEO - Embodiments include systems and methods of determining block edge location in video. In one embodiment, a system includes a block edge map generator configured to generate a binary block map, the block map having indicators representing the locations of block edges in a first direction, a histogram generator configured to accumulate the indicators to form a block edge histogram, the peaks of the histogram corresponding to block edge locations in the image, a low-pass filter to low-pass filter the block edge histogram and form a filtered histogram, a peak locator configured to identify the peaks of the filtered histogram, and a peak refiner configured to refine locations of peaks located in the filtered block edge histogram based on the identified peaks and peaks in the block edge histogram, the refined peak locations indicative of block edge locations, and further configured to provide block locations. | 09-09-2010 |
20100232713 | SYSTEM AND METHOD FOR IDENTIFICATION OF VERTICAL SCROLLING REGIONS IN DIGITAL VIDEO - A vertical scrolling region detector may include a motion estimator that can generate motion vectors between blocks of two or more primary frames of a mixed-mode video sequence. The detector may also include a primary frame motion analyzer that can analyze the motion vectors to detect substantially constant vertical motion of at least some of the blocks between the two or more primary frames. The presence of substantially constant vertical motion may reflect the presence of a vertical scrolling region in the mixed-mode video sequence. Moreover, the detector may also include a consecutive frame motion analyzer that can calculate differences in pixel values between lines of two or more consecutive frames in the mixed-mode video sequence. The differences in pixel values may further reflect the presence of the vertical scrolling region in the mixed-mode video sequence. | 09-16-2010 |
20100246990 | SYSTEM AND METHOD FOR MEASURING BLOCKINESS LEVEL IN COMPRESSED DIGITAL VIDEO - Embodiments include systems and methods of measuring a blockiness level in video data that has been encoded and decoded. In one embodiment, a Q-value is calculated that indicates the blockiness level of a decompressed image. The Q-value can be based on a block map having indicators corresponding to each of a plurality of pixels in an input image, each indicator signaling if a block edge is present at the corresponding pixel location in the input image, and also based on block locations indicative of the alignment block edge locations in the input image. The Q-value can be calculated in a vertical direction and a horizontal direction with respect to the input image. The Q-value is determined based on a flatness measurement of pixel values around certain considered pixels in the input image. The Q-value can be provided to a deblocking filter to improve the performance of deblocking the input image. | 09-30-2010 |
20100260384 | SYSTEM AND METHOD OF ADAPTIVE VERTICAL SEARCH RANGE TRACKING FOR MOTION ESTIMATION IN DIGITAL VIDEO - A system and method which determines an adaptive vertical search range used to provide motion estimation in digital video content are disclosed. In some embodiments, a fixed-size vertical search range for the motion estimation is defined and utilized. A reference frame and target frame are stored in memory, and a block in the reference frame is selected for consideration. An offset value is determined which is indicative of a directional shift of the fixed-size vertical search range and the vertical search range is shifted based on the offset value. A motion vector is then estimated using the shifted vertical search range. | 10-14-2010 |
20100283892 | SYSTEM AND METHOD FOR REDUCING VISIBLE HALO IN DIGITAL VIDEO WITH COVERING AND UNCOVERING DETECTION - A system and method for video frame interpolation are disclosed. In one embodiment, the method comprises receiving first motion estimation data representing estimated motion of blocks between a first frame and a second frame, receiving second motion estimation data representing estimated motion of blocks between the second frame and a third frame, determining whether an area in an interpolated frame between the first and second frame is an occlusion area based at least in part on the first and second motion estimation data, and estimating characteristics of pixels of the area based in part on the determination. | 11-11-2010 |
20100316125 | SYSTEM AND METHOD FOR MOTION COMPENSATION USING A SET OF CANDIDATE MOTION VECTORS OBTAINED FROM DIGITAL VIDEO - Embodiments include systems and methods for interpolating frames. In one embodiment, a system and method provides reduced halo and consequently a higher degree of accuracy/fidelity. In one embodiment, a method of video frame interpolation includes receiving first motion data based on a first video frame and a second video frame, receiving second motion data based on the second video frame and a third video frame, and estimating a block of an interpolated frame based on the second motion data and the first motion data. In one embodiment, the estimating comprises selectively using the second motion data based on the first motion data. | 12-16-2010 |
20110026840 | SYSTEM AND METHOD FOR INDOOR-OUTDOOR SCENE CLASSIFICATION - Embodiments include a scene classification system and method. In one embodiment, a method includes forming a first plurality of image features from an input image, processing the first plurality of image features in the first scene classifier using a set of first sub-classifiers, each first sub-classifier determining first classification data for one of the first plurality of image feature, classifying the image through a first final classifier as an indoor scene or an outdoor scene based on the first classification data, if the image is classified as an outdoor scene, forming a second plurality of image features from the input image, processing each of the second plurality of image features using a set of second sub-classifiers, each second sub-classifier determining second classification data for one of the second plurality of image features, and classifying the image through a second final classifier as an outdoor urban scene or an outdoor natural scene based on the second classification data. | 02-03-2011 |
20110150081 | METHOD AND SYSTEM FOR ADAPTIVE QUANTIZATION LAYER REDUCTION IN IMAGE PROCESSING APPLICATIONS - A method and a system for adaptively (dynamically) reducing quantization layer reduction for removing quantization artifacts in quantized video signals is provided. Adaptively reducing quantization layer reduction involves detecting if a selected pixel in a quantized image belongs to a ramp area in each of multiple pre-defined directions, dynamically selecting a quantization level for each of the pre-defined directions based on the corresponding detection results, and refining the pixel based on the selected quantization levels. | 06-23-2011 |
20120002896 | SYSTEM AND METHOD FOR REDUCING NOISE IN AN IMAGE - A system and method of reducing noise are disclosed. In one embodiment a system comprises an input configured to receive an input image, a filter configured to filter the input image to generate a filtered image, a weight generator configured to generate one or more edge weights related to at least one edge of the input image, a mixer configured to generate an output image based on the input image, the filtered image, and at least one of the edge weights, and an output configured to output the output image. | 01-05-2012 |
20120044997 | SYSTEM AND METHOD FOR BOUNDARY MOTION VECTOR CORRECTION IN MOTION COMPENSATED FRAME RATE - A method of processing video data includes: receiving a first video frame with first blocks of pixels associated with a known motion vector and a second video frame with second blocks of pixels, the second blocks corresponding to the first blocks, and uncovered blocks adjacent to the first frame boundary not corresponding to the first blocks in the first video frame; determining a first block for each line segment in the second video frame corresponding to a block in the first video frame, wherein the first block has the known motion vector from the first video frame; and assigning a motion vector for at least one of the line segments in the second video frame to the uncovered blocks in the line segment of the second video frame between first block and the first frame boundary. | 02-23-2012 |
20120056873 | DISPLAY SYSTEM WITH IMAGE CONVERSION MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a display system includes: receiving an input image having input pixels; assigning a pixel information for the input pixels corresponding to a semantic category; detecting input background pixels from the input pixels with the pixel information; identifying input foreground pixels from the input pixels with the background pixels; assigning a pixel depth to the input background pixels and input foreground pixels; generating a depth map with the input background pixels and the input foreground pixels; and generating a processed image from the input image with the depth map for displaying on a device. | 03-08-2012 |
20120056874 | DISPLAY SYSTEM WITH IMAGE CONVERSION MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a display system includes: receiving a current input image with current input pixels; identifying an input object, having input object pixels, based on differences in characteristics of the current input pixels; calculating an object pixel depth for the input object pixels from an image depth map of the current input image based on a weighted average of depth candidates; and generating a processed image, having a perceived depth, from the current input image with the image depth map and the object pixel depth for displaying on a device. | 03-08-2012 |
20120056887 | DEPTH ESTIMATION SYSTEM FOR TWO-DIMENSIONAL IMAGES AND METHOD OF OPERATION THEREOF - A method of operation of a depth estimation system includes: calculating focus measures for positions on a two-dimensional image; generating a depth map for the two-dimensional image based on fitting the focus measure through a Gaussian function; generating a three-dimensional image from the depth map and the two-dimensional image; and processing the three-dimensional image on a storage unit for displaying on a device. | 03-08-2012 |
20120057776 | THREE-DIMENSIONAL DISPLAY SYSTEM WITH DEPTH MAP MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a three-dimensional display system includes: calculating an edge pixel image from a source image; generating a line histogram from the edge pixel image by applying a transform; calculating a candidate line from the line histogram meeting or exceeding a line category threshold for a horizontal line category, a vertical line category, a diagonal line category, or a combination thereof; calculating a vanishing point on the candidate line; and generating a depth map for the vanishing point for displaying the source image on a first device. | 03-08-2012 |
20120075524 | SYSTEM AND METHOD FOR FRAME RATE CONVERSION - A system and method for frame rate conversion are disclosed. In one embodiment, the method comprises receiving, at the first device from a second device, input video having a first frame rate, receiving, at the first device from the second device, motion vector information associated with the input video, determining, at the first device, output video having a second frame rate different from the first frame rate, wherein the output video is based on the input video and the motion vector information, and displaying the output video. | 03-29-2012 |
20130010873 | SYSTEM AND METHOD OF ADAPTIVE VERTICAL SEARCH RANGE TRACKING FOR MOTION ESTIMATION IN DIGITAL VIDEO - A system and method which determines an adaptive vertical search range used to provide motion estimation in digital video content are disclosed. In some embodiments, a fixed-size vertical search range for the motion estimation is defined and utilized. A reference frame and target frame are stored in memory, and a block in the reference frame is selected for consideration. An offset value is determined which is indicative of a directional shift of the fixed-size vertical search range and the vertical search range is shifted based on the offset value. A motion vector is then estimated using the shifted vertical search range. | 01-10-2013 |
20130057537 | DISPLAY SYSTEM WITH IMAGE CONVERSION MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a display system includes: calculating a focus measure for an original image; calculating a segment mean based on the focus measure for a segment; generating an ordered segment based on the segment mean; generating a segment depth based on the ordered segment; and generating a three-dimensional image with the segment depth for displaying on a device. | 03-07-2013 |
20130287303 | DISPLAY SYSTEM WITH EDGE MAP CONVERSION MECHANISM AND METHOD OF OPERATION THEREOF - A method of operation of a display system includes: receiving an input image having input pixels; identifying input edge pixels from the input pixels; calculating an edge pixel sum for one of the input edge pixels based on the number of the input edge pixels surrounding one of the input edge pixels; identifying pruned edge pixels from the input edge pixels having the edge pixel sum between a high edge density threshold and a low edge density threshold; and selecting a dominant image line from candidate lines calculated between the pruned edge pixels to generate a processed image for displaying on a device. | 10-31-2013 |
20140267347 | CREATING DETAILS IN AN IMAGE WITH ADAPTIVE FREQUENCY LIFTING - Image details are created for an image. An image is processed to obtain image information. Detected texture samples are processed to obtain texture information. A processor device is used for transforming received image information for obtaining frequency domain information. The texture information is used for determining a lifting factor. A frequency distribution is determined for the frequency domain information using the lifting factor for creating particular frequency. An inverse transformation is performed on an updated frequency distribution for creating output image blocks. The output image blocks are combined to create image details for a lifted image. The lifted image is mixed with the image. | 09-18-2014 |
20140267922 | CONTROL OF FREQUENCY LIFTING SUPER-RESOLUTION WITH IMAGE FEATURES - Input image information is received. A processor device is used for determining enhancement information based on frequency characteristics and feature information of the input image information. The enhancement information is mixed with the input image information to generate an enhanced image. | 09-18-2014 |
20140270564 | CREATING DETAILS IN AN IMAGE WITH FREQUENCY LIFTING - Input image information is received. Enhancement information is determined based on frequency characteristics of the input image information. The enhancement information is mixed with the input image information to generate an enhanced image. | 09-18-2014 |
20140270566 | CREATING DETAILS IN AN IMAGE WITH ADAPTIVE FREQUENCY STRENGTH CONTROLLED TRANSFORM - Input image information is received. A processor device is used for determining enhancement information based on frequency characteristics and edge information of the input image information. The enhancement information is mixed with the input image information to generate an enhanced image. | 09-18-2014 |