Patent application number | Description | Published |
20080211943 | SOLID-STATE IMAGE PICKUP DEVICE - In a pixel unit, cells are arranged in rows and columns two-dimensionally. Each of the cells accumulates signal charge obtained by photoelectrically converting light incident on photoelectric conversion section and outputs a voltage corresponding to the accumulated signal charge. On the cells, W, R, G, and B color filters are provided. Analog signals output from the W pixel, R pixel, G pixel, and B pixel are converted into digital signals by an analog/digital converter circuit, which outputs a W signal, an R signal, a G signal, and a B signal separately. A W signal saturated signal quantity is controlled by a saturated signal quantity control circuit. Then, a signal generator circuit corrects the R signal, the G signal, and the B signal using the W signal, the R signal, the G signal, and B signal output from the analog/digital converter circuit and outputs the corrected R, G, and B signals. | 09-04-2008 |
20080226191 | PICTURE PROCESSING APPARATUS AND METHOD - A smoothing filter generates a smoothed picture by smoothing a brightness component of an input picture. An adjustment filter generates an adjusted picture by applying a filter to an area of the input picture. The filter has the same characteristic as the smoothing filter. The area has a brightness matched with a predetermined condition of noise detection. A contrast component calculation unit calculates a contrast component of the input picture by dividing each pixel value of the adjusted picture with a corresponding pixel value of the smoothed picture. An output picture generation unit generates an output picture by multiplying the smoothed picture with the contrast component. | 09-18-2008 |
20080226193 | MOTION ESTIMATION APPARATUS AND METHOD - An estimation unit calculates an estimated motion vector between a first source region of a plurality of source regions and a first destination region on a destination picture. The first destination region has the highest correlation with the first source region. A weight calculation unit searches a plurality of second destination regions. Each second destination region is pointed by the estimated motion vector of another source region adjacent to the first source region. The weight calculation unit extracts pixel values of each second destination region, calculates a difference of pixel values between the first source region and each second destination region, and calculates a weight based on the difference. The weight is smaller if the difference is larger. A filtering unit calculates a motion vector of the first source region by averaging the estimated motion vectors with the weight. | 09-18-2008 |
20080239090 | PICTURE PROCESSING APPARATUS AND METHOD - A first filter generates a first smooth picture by smoothing an input picture. A second filter generates a second smooth picture by smoothing the input picture. The second filter has a characteristic different from the first filter. A contrast component picture calculation unit generates a contrast component picture by dividing each pixel value of the input picture with the pixel value of the first smooth picture. A picture composition unit generates a composed picture by composing the second smooth picture with the contrast component picture. | 10-02-2008 |
20080240241 | FRAME INTERPOLATION APPARATUS AND METHOD - A first motion vector points from a source region of a source picture to a destination region of a destination picture. A second motion vector is scaled from the first motion vector based on a first temporal distance between the source picture and the interpolation picture. A third motion vector is scaled from the first motion vector based on a second temporal distance between the destination picture and the interpolation picture. A weight of a first interpolation region of the interpolation picture is calculated using distortion energy of the source region. A first motion compensation picture compensated from the source region to a temporal position of the interpolation picture using the second motion vector, and a second motion compensation picture compensated from the destination region to the temporal position using the third motion vector are calculated. A third motion compensation picture is calculated by weighted-averaging the first motion compensation picture and the second motion compensation picture. A second interpolation region of the interpolation picture is calculated by averaging a region of the third motion compensation picture and a region of an artifact prevention picture with the weight. | 10-02-2008 |
20090002285 | IMAGE DISPLAY APPARATUS - An image display apparatus includes an image display unit having a light source and a light modulating unit; a histogram generating unit; a function generating unit; a first brightness calculating unit; a second brightness calculating unit; a first difference calculating unit; a first multiplying unit; a first summation calculating unit; a first brightness gradient calculating unit; a second brightness gradient calculating unit; a second difference calculating unit; a second multiplying unit; a second summation calculating unit; a weighted linear sum calculating unit; a determination unit; a control parameter selecting unit; and a control unit. | 01-01-2009 |
20090060326 | IMAGE PROCESSING APPARATUS AND METHOD - An objective color for a target color is set based on characteristic of the target color on a hue area to which the target color belongs in a color space represented by lightness, chroma and hue, and a shape of the most outer point of a color gamut reproducible by an output device on the hue area. A correction coefficient is calculated based on lightness, chroma and hue of the target color, lightness, chroma and hue of the objective color, a distance between the most outer point and the target color in the color space, and a distance between the most outer point and the objective color in the color space. A color correction quantity of each pixel of the image is calculated based on a distance between the target color and the objective color in the color space, a distance between the target color and a color of each pixel in the color space, the correction coefficient, and lightness and chroma of each pixel. The color of each pixel is corrected based on the color correction quantity. | 03-05-2009 |
20090073284 | IMAGING APPARATUS AND METHOD - An image sensor has a plurality of photo detectors each having a spectral sensitivity. An image data input unit inputs image data having a position, a spectral sensitivity, and a measured signal value of each photo detector in an area of the image sensor. A parameter estimation unit estimates each parameter of a plurality of spectral intensity functions using the image data. Each spectral intensity function represents an intensity of light corresponding to a spectrum in the area. An intensity estimation unit estimates the intensity of light in the area using the plurality of spectral intensity functions with each parameter. An output unit outputs the intensity of light for each photo detector. | 03-19-2009 |
20090079836 | IMAGE PROCESSING APPARATUS, METHOD, AND COMPUTER PROGRAM PRODUCT - An image processing apparatus includes a correction-amount calculating unit that calculates a motion-blur correction amount, which takes a larger value as the reproduction speed becomes lower, based on an input reproduction speed; a motion-blur correcting unit that performs scale transformation on a motion vector based on the motion-blur correction amount, acquires low frequency components of a source image and a destination image using an anisotropic Gaussian filter determined by a direction and a size of the motion vector subjected to the scale transformation, and performs edge enhancement on the source image and the destination image based on the low frequency components and high frequency components of the source image and the destination image; and an interpolation-image creating unit that creates the interpolation image using the source image for which the motion blur is corrected, the destination image for which the motion blur is corrected, and the motion vector. | 03-26-2009 |
20090109155 | Image processing apparatus for processing moving image to be displayed on liquid crystal display device, image processing method and computer program product - An image processing method for a liquid crystal display device includes: calculating first difference gradation, which is a difference between predicted attainment gradation and input gradation, the predicted attainment gradation being a predicted value of gradation which respective pixels of the liquid crystal display attain after one frame period after the respective pixels are driven to display a first frame, and the predicted attainment gradation being stored in a storage unit which stores the predicted attainment gradation, and the input gradation being gradation of a second frame which is displayed after the first frame; multiplying the first difference gradation by an enhancement coefficient; calculating enhanced gradation which is a sum of the first difference gradation multiplied by the enhancement, coefficient and the predicted attainment gradation; calculating second difference gradation which is a difference between the enhanced gradation and the predicted attainment gradation; multiplying the second difference gradation by a correction coefficient; and updating the value of the predicted attainment gradation stored in the storage unit based on a sum of the second difference gradation multiplied by the correction coefficient and the predicted attainment gradation. | 04-30-2009 |
20090115907 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display apparatus includes an image displaying unit that includes a light source unit and a light modulation device, a histogram generating unit, a light source luminance calculator, a function storing unit, a first evaluation value calculator, a second evaluation value calculator, a third evaluation value calculator, a function acquiring unit and a control unit. The function acquiring unit acquires a plurality of the third evaluation values by repeating processing by the first to third evaluation value calculators with modification to a level conversion function and acquires a level conversion function that has a smallest third evaluation. The control unit supplies a signal of a converted video resulting from conversion of the image with the acquired level conversion function to the light modulation device. | 05-07-2009 |
20090140975 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display apparatus includes: a luminance modification unit configured to modify the luminance setting value so as to make a luminance difference between adjacent partial regions of a back light smaller; a luminance distribution calculation unit configured to calculate a predicted value of luminance distribution of light incident on a liquid crystal panel from the back light on the basis of the modified luminance setting value; a liquid crystal transmittance correction unit configured to correct an optical transmittance of the image signal at each pixel of the liquid crystal panel on the basis of the image signal and the luminance distribution; a back light control unit configured to control the back light on the basis of the modified luminance setting value; and a liquid crystal control unit configured to control the liquid crystal panel so that the transmittance of the image signal becomes the corrected optical transmittance. | 06-04-2009 |
20090185622 | METHOD OF SEARCHING FOR MOTION VECTOR, METHOD OF GENERATING FRAME INTERPOLATION IMAGE AND DISPLAY SYSTEM - A motion vector detection method comprises extracting a first block including a plurality of pixels from a first frame of the image, detecting a second block from a plurality of blocks of a second frame of the image by block matching, the second block including the maximum number of pixels each indicating an absolute difference value not more than a first threshold with respect to each of the pixels of the first block, and computing a first motion vector between the first block and the second block. | 07-23-2009 |
20090201245 | LIQUID CRYSTAL DISPLAY APPARATUS - A liquid crystal display apparatus includes: a liquid crystal panel having a plurality of pixels arranged in a matrix form; a back light having a plurality of light sources controlled individually in light emission luminance to supply light to the liquid crystal panel; an image processing unit configured to calculate luminance setting values respectively of the light sources of the back light and correct the video signal; a back light control unit configured to control the back light on the basis of luminance setting values; and a liquid crystal drive unit configured to drive the liquid crystal panel on the basis of the corrected video signal. In strength distribution of light incident, a relative strength compared with a direct component in spatial frequency domain is equal to or less than a first threshold in a spatial frequency region having a value of at least 1. | 08-13-2009 |
20090244389 | Apparatus, Method, and Computer Program Product for Generating Interpolated Images - An interpolated image generating apparatus calculates a motion vector reliability level indicating reliability of a motion vector used for inserting an interpolated image, the value of the motion vector reliability level being determined in such a manner that the stronger the correlation is between a source image area and a destination image area that are brought into correspondence with each other by the motion vector, the larger is the value. The apparatus also calculates a failure-preventing vector reliability level indicating reliability of a predetermined failure-preventing vector used for preventing image failures. The apparatus obtains a motion compensated image based on the motion vector, obtains a failure-preventing image based on the failure-preventing vector, and blends the motion compensated image and the failure-preventing image according to a weighted average thereof calculated by using a weighting factor based on the motion vector reliability level and the failure-preventing vector reliability level. | 10-01-2009 |
20090245679 | IMAGE PROCESSING APPARATUS - An image processing apparatus calculates an absolute difference in pixel values between each pixel (target pixel) of the image and each of neighboring pixels of the target pixel, and a sum of the absolute differences with respect to the target pixel, calculates a threshold using the sum of the absolute differences with respect to the target pixel and a weight previously determined, the threshold being used as a reference for determining whether the pixel values of the neighboring pixels are used in a smoothing process for the target pixel, and performing a smoothing process by means of an edge-preserving smoothing filter, based on whether the absolute difference in pixel values between the target pixel and each of the neighboring pixels of the target pixel exceeds the threshold. | 10-01-2009 |
20090268960 | IMAGE DISPLAY DEVICE AND IMAGE DISPLAY METHOD - An image display device includes:an image input unit configured to input an image; a content categorizer configured to determine a content category of the image; a database configured to store adjustment items corresponding to each of a plurality of content categories, the adjustment items being related to sensibility words each representing an impression for images; an adjustment item display configured to display the adjustment items corresponding to the content category, the adjustment item being selectable by a user; a receiver configured to receive set values of the adjustment items selected from the user; an image quality parameter calculator configured to calculate image quality parameters in accordance with the set values of the adjustment items; an image processor configured to perform image processing on the image in accordance with the image quality parameters; and an image display configured to display the processed image. | 10-29-2009 |
20090295783 | IMAGE DISPLAY APPARATUS AND METHOD - A light source emits a light having a luminance. A light source luminance decision unit determines the luminance for a frame of the image based on pixel values of the frame. A conversion unit converts each pixel value of the frame in correspondence with the luminance. A light modulation unit displays the image by modulating a transmittance or a reflectance of the light based on each converted pixel value of the frame. A selection unit selects a timing to change the luminance in a display period of the frame by comparing the luminance for the frame with a luminance for a previous frame. A control unit changes the luminance of the light source to the luminance for the frame at the timing. | 12-03-2009 |
20100053066 | INFORMATION PROCESSING APPARATUS, AND IMAGE DISPLAY APPARATUS AND METHOD - An apparatus includes a unit computing, at each of positions on a target, first products of first reference values for light sources and factors for light sources, and a first sum of the first products corresponding to the light sources, and estimating, at each of the positions, the first sum as a first component at each of the positions, each of the first reference values being obtained referring to a first distribution, a unit computing a second sum of the factors for all of the light sources, and a second product of the second sum and second reference value, and estimating, at each of the positions, the second products as a second component at each of the positions, the second reference value being obtained referring to a second distribution that has a spatially constant value, and a unit computing a third sum of the first component and the second component. | 03-04-2010 |
20100054606 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - An image processing apparatus includes an operating unit that calculates a tangent-line direction of an edge and a normal-line direction of the edge by using a vertical-direction derivative value and a horizontal-direction derivative value of a pixel value of a pixel in an input image; a converting unit that converts local coordinates positioned within a predetermined area with respect to a target pixel in the input image into rotated coordinates, by rotating the local coordinates according to an angle formed by the horizontal direction and the tangent-line direction of the edge; and a fitting unit that performs, at the rotated coordinates, a fitting process that employs a least-squares method by using a curved-plane model expressed with the pixel value of the target pixel in the input image. | 03-04-2010 |
20100054623 | IMAGE DISPLAY APPARATUS AND METHOD - A display luminance of an image signal is extracted from an image inputted. An observation distance is calculated as a relative distance between an observer and the display. A brightness of an environmental condition of the display is calculated. A visual angle of the image is calculated using the observation distance and a size of the display. A visual response function is calculated using the display luminance, the brightness of the environmental condition, and the visual angle. The visual response function represents relationship between the display luminance and a referential lightness of a human visual characteristic. A corrected display luminance corresponding to a referential lightness is calculated using the visual response function. The image is output on the display using the corrected display luminance. | 03-04-2010 |
20100079476 | IMAGE DISPLAY APPARATUS AND METHOD - A largest value is selected from brightness data of sub-pixels of each pixel in an image, and a first light source luminance is calculated using the largest value. An average of the largest value of each pixel is calculated, and a second light source luminance is calculated using the average. By comparing the first light source luminance with the second light source luminance, an output light source luminance as a weighted average of the first light source luminance and the second light source luminance is calculated by setting a larger weight to a smaller one of the first light source luminance and the second light source luminance. A gradation of each sub-pixel is converted using the output light source luminance. A light source unit is controlled to emit the light having the output light source luminance. | 04-01-2010 |
20100123696 | IMAGE DISPLAY APPARATUS AND METHOD - With regard to an image to be displayed on a display unit, a calculation unit calculates a display luminance from the input image. A luminance distribution acquisition unit takes a scene image including the display unit from a view position of the display unit, and acquires a luminance distribution as an average of luminances of the scene image. A correction unit corrects the display luminance, so that a corrected display luminance is within an estimated luminance range of perceptible difference of luminances on the display unit. The estimated luminance range is estimated with the average. The display unit displays the image based on the corrected display luminance. | 05-20-2010 |
20100157091 | SOLID-STATE IMAGE SENSOR - A solid-state image sensor has a plurality of pixels, a read-out circuit and a signal processing section. The plurality of pixels includes a plurality of first pixels, a plurality of second pixels, a plurality of third pixels and a plurality of fourth pixels. The signal processing section includes a color acquisition section, a first judgment section configured to determine whether or not the white data value W in the target pixel block is smaller than a predetermined first set value, and a white color correction section configured to perform correction processing of the white color data value W in the target pixel block based on the following Expression (1) when the judgment result of the first judgment section is NO, and to output the white data value W by itself without performing the correction processing based on the Expression (1) when the judgment result of the first determination section is YES; | 06-24-2010 |
20100232697 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image processing apparatus includes a gradient calculator that calculates a direction and a magnitude of a gradient of each pixel in an input image using neighboring pixel values; a histogram calculator that calculates a Histogram of Oriented Gradients containing plural sampled directions from the directions and the magnitudes of the gradients calculated for the pixels in a region including the pixel being processed; a storing unit that stores plural smoothing filters and associated Histograms of Oriented Gradients; a search unit that calculates errors between Histogram of Oriented Gradients calculated for the pixel being processed and the Histograms of Oriented Gradients stored in the storing unit and searches the Histogram of Oriented Gradients that has the minimum error; and a filter processing unit that acquires one of the smoothing filters stored in association with the Histogram of Oriented Gradients having the minimum error and determines a corrected pixel value of the pixel being processed by filter processing with the acquired smoothing filter. | 09-16-2010 |
20110012824 | IMAGE DISPLAY APPARATUS AND IMAGE DISPLAY METHOD - An image display apparatus includes: a backlight configured to emit light; a liquid crystal panel configured to modulate light emitted from the backlight to make an image display; a backlight luminance calculating unit configured to calculate a light-emission luminance of the backlight such that a center value of a luminance range displayable on the liquid crystal panel defined depending on the light-emission luminance of the backlight substantially agrees with a center value of luminances of pixels forming an input image; a backlight controlling unit configured to control light emission of the backlight so that the light from the backlight is emitted with the calculated light-emission luminance; a luminance correcting unit configured to correct the luminance of each pixel in the input image in accordance with the calculated light-emission luminance; and a liquid crystal controlling unit configured to control modulation of the liquid crystal panel based upon the corrected input image. | 01-20-2011 |
20110205235 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND IMAGE DISPLAY APPARATUS - An image processing apparatus includes an operating unit configured to calculate a tangent-line direction of an edge and a normal-line direction of the edge by using a vertical-direction derivative value and a horizontal-direction derivative value of a pixel value of a pixel in an input image; a converting unit configured to convert local coordinates positioned within a predetermined area with respect to a target pixel in the input image into rotated coordinates, by rotating the local coordinates according to an angle formed by the horizontal direction and the tangent-line direction of the edge; and a fitting unit configured to perform, at the rotated coordinates, a fitting process that employs a least-squares method by using a curved surface model expressed with the pixel value of the target pixel in the input image. | 08-25-2011 |
20140129329 | SERVER, ANALYSIS METHOD AND COMPUTER PROGRAM PRODUCT - According to an embodiment, a server includes a first acquiring unit, a second acquiring unit, an analyzing unit, and an output unit. The first acquiring unit is configured to acquire recognition information includes a product identification information for identifying the product. The second acquiring unit is configured to acquire combination information including the product identification information of the product to be combined with an object image including an object. The analyzing unit is configured to calculate product priorities for respective products by analyzing the recognition information and the combination information. The output unit is configured to output information based on the product priorities. | 05-08-2014 |
20140139899 | DISPLAY DEVICE - A display device includes an image display, an optical component, a light control component. The image display emits light including an image. The optical component has a focal distance D1. The light control component is provided between the image display and the optical component on an optical path of the light. The light control component includes a central aperture transmitting a first portion of the light emitted, and a peripheral aperture provided around the central aperture and transmitting a second portion of the light. The light control component blocks a portion of the light other than the first and second portions. The focal distance D1, a distance D2 between the optical component and the light control component, and an aperture spacing d0 between the central aperture and the peripheral aperture satisfy a relationship: d0·D1/D2>2. | 05-22-2014 |
20140247997 | INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - According to an embodiment, an information processing system includes a determination unit, a selection unit, and a display control unit. The determination unit is configured to determine whether a first feature value extracted from a first image and a second feature value extracted from a second image are identical or similar. The selection unit is configured to select content data from a plurality of content data so that the selected content data is different between when it is determined that the first feature value and the second feature value are identical or similar and when it is determined that the first feature value and the second feature value are not identical or similar. The display control unit is configured to display the selected content data on a display unit. | 09-04-2014 |
20140293092 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND COMPUTER PROGRAM PRODUCT - According to an embodiment, an information processing apparatus includes a first image acquisition unit, a first information acquisition unit, a reception unit, a generation unit, and a writing unit. The first image acquisition unit is configured to acquire a first image obtained by imaging by an imaging unit. The first information acquisition unit is configured to acquire any of multiple pieces of information capable of being associated with the first image. The reception unit is configured to receive a first input. The generation unit is configured to associate the first image acquired in the first image acquisition unit with the information piece acquired in the first information acquisition unit to generate an association data piece when the reception unit receives the first input. The writing unit is configured to write the association data piece into a storage unit. | 10-02-2014 |
20150034725 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - According to an embodiment, an information processing apparatus includes an acquisition unit, a detection unit, an extraction unit, and a reading unit. The acquisition unit is configured to acquire an input image including a marker having a position detection pattern. The detection unit is configured to detect the position detection pattern using identification data used for detecting the position detection pattern included in the input image, the identification data being from a plurality of position detection patterns having different forms from each other. The extraction unit is configured to extract, from the input image, the marker corresponding to the detected position detection pattern. The reading unit is configured to read data associated with the extracted marker. | 02-05-2015 |