Patent application number | Description | Published |
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 |
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 |
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 |
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 |
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 |
20100061651 | METHOD OF RESTORING DEGRADED IMAGE, APPARATUS FOR RESTORING DEGRADED IMAGE, AND COMPUTER PROGRAM PRODUCT - A degraded-image restoration method includes inputting a degraded image degraded by a predetermined degradation process; reading from a storage unit a filter coefficient in a filtering process of restoring the degraded image, in which an iteration formula for minimizing a square error between the degraded image and an image obtained by degrading a restored image by the degradation process is expanded corresponding to a predetermined number of iterations; and performing the filtering process using the filter coefficient with respect to the degraded image to obtain a restored image of the degraded image. Accordingly, a throughput in an apparatus that restores the degraded image can be reduced, thereby obtaining a preferable restored image. | 03-11-2010 |
20100061652 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - An image processing device includes: an estimating module configured to estimate boundaries of blocks in an input image; a characteristic value calculating module configured to calculate a characteristic value of a subject pixel group having constituent pixels including a pixel in the frame and at least one pixel that is adjacent to the pixel by calculating a degree of pixel value dispersion between the constituent pixels of the subject pixel group if all the constituent pixels belong to the same block; an strength value calculating module configured to calculate, from the characteristic value, a strength value to be used in performing pixel value smoothing; and a smoothing module configured to perform the pixel value smoothing according to the strength value. | 03-11-2010 |
20100079630 | IMAGE PROCESSING APPARATUS, IMAGING DEVICE, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT - An image processing apparatus includes a blur reproducing unit that generates blur-reproduced image data by reproducing a predetermined blur of a lens, with respect to blur-corrected image data of which an initial data is input image data inputted from an image sensor; a blur correcting unit that corrects the blur-corrected image data so that an error between the blur-reproduced image data and the input image data becomes smaller; and a curved-surface fitting unit that obtains curve surface parameters of each functions approximating distribution of pixel values of each of color components of the blur-corrected image data so that curved-surface shapes of the functions become the same among the color components, and updates the pixel values of the blur-corrected image data by using the curve surface parameters. | 04-01-2010 |
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 |
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 |
20110228343 | IMAGE PROCESSING SYSTEM AND IMAGE SCANNING APPARATUS - In one embodiment, an image data acquisition unit, a filter setting unit and a filtering processor are provided. The image data acquisition unit acquires pixel data of first image data of an erect image obtained by a line sensor comprising a plurality of light receiving elements. The erect image is formed by a plurality of gradient index lenses of a lens array. The filter setting unit sets sharpening filter coefficients of a filter to be applied to the pixel data of the first image data corresponding to the respective light receiving elements, according to remainder values obtained respectively by dividing positions of the light receiving elements on the line sensor by an interval of a lens arrangement of the lens array. The filtering processor generates second image data sharpened by applying the obtained sharpening filter coefficients to the respective pixel data of the first image data. | 09-22-2011 |
20120057760 | MOTION VECTOR DETECTION DEVICE, APPARATUS FOR DETECTING MOTION VECTOR AND MOTION VECTOR DETECTION METHOD - A motion vector detection device includes: a matching error calculation part that calculates matching errors between a focus block and each of reference blocks; a least matching error calculation part calculating a least matching error from among the matching errors; a threshold calculation part calculating a threshold value; a correction vector calculation part calculating a correction vector from motion vectors detected in the reference blocks; and a motion vector determination part determining, as a motion vector for the focus block, a relative position vector in a block in which the relative position vector with respect to the focus block is the closest to the correction vector, the block being selected from among the reference blocks in which a difference between the plurality of matching errors and the least matching error is within the threshold value. | 03-08-2012 |
20120069009 | IMAGE PROCESSING APPARATUS - A detecting unit detects an object in an input image. A depth map generating unit selects a depth template corresponding to a type of the object and places a selected depth template on a depth map in accordance with a position of the object to generate the depth map having a depth value for each pixel. A correcting unit calculates a weight of at least one interested pixel and a weight of a peripheral pixel based on a relationship between pixel values to the interested pixel and the peripheral pixel and corrects the depth value of the interested pixel based on a weighted sum of the respective depth values corresponding to the interested pixel and the peripheral pixel. An image generating unit generates parallax images based on the corrected depth map and the input image. | 03-22-2012 |
20120113094 | IMAGE PROCESSING APPARATUS, IMAGE PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT THEREOF - According to an embodiment, an image processing apparatus creates a depth map representing distribution of depths of pixels in an image. The apparatus includes an area detecting unit configured to detect an area of a vertical object included in an image; a base depth adding unit configured to add a base depth to the image, the base depth being a basic distribution of depths of pixels in the image; and, a depth map creating unit configured to acquire at least one depth of a vicinity of a ground contact position of the vertical object from the base depth added to the image, and create the depth map by setting the acquired depth onto the base depth as a depth of the area of the vertical object. | 05-10-2012 |
20120128256 | Image Processing Method, Apparatus, and Computer Program Product - According to one embodiment, an image processing method includes calculating an activity value for a first block, the activity value indicating a higher degree of activity as pixel values vary in a greater degree in the first block, and calculating a first evaluation value that indicates higher evaluation as a difference between a pixel value of the first block and a pixel value of a second block is smaller. The method further includes calculating a second evaluation value that indicates higher evaluation as correlation between a relative spatial relationship of the pixel value of the first block and that of the pixel value of the second block is higher, and calculating a third evaluation value by weighting the first evaluation value and the second evaluation value to search for the second block that corresponds to the first block, a weight of the first evaluation value is larger as the activity value is larger. | 05-24-2012 |
20120162200 | MAP CONVERTING METHOD, MAP CONVERTING APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR MAP CONVERSION - According to an embodiment, a map converting method includes calculating existing frequency of depths in a first map, the first map corresponding to at least an image area of an image and each pixel of the first map representing a depth corresponding to a pixel of the image area; and first converting the first map into a second map that represents a depth in a first range for each pixel by using the existing frequency. | 06-28-2012 |
20130050303 | DEVICE AND METHOD FOR IMAGE PROCESSING AND AUTOSTEREOSCOPIC IMAGE DISPLAY APPARATUS - According to an embodiment, an image processing device includes a specifying unit configured to specify, from among a plurality of parallax images each having a mutually different parallax, a pixel area containing at least a single pixel; and a modifying unit configured to, depending on a positional relationship between each pixel in the pixel area specified from among the parallax images and a viewpoint position of a viewer, modify the pixel area into a modified pixel area that contains a pixel which is supposed to be viewed from the viewpoint position. | 02-28-2013 |
20130162783 | IMAGE PROCESSING DEVICE, METHOD AND COMPUTER PROGRAM PRODUCT, AND IMAGE DISPLAY APPARATUS - In an embodiment, an image processing device includes: a first acquiring unit that acquires a plurality of parallax images having parallax between one another; a second acquiring unit that acquires identification information of a parallax image to be observed from a predetermined observing point position in each of a plurality of regions into which a display area on which three-dimensional image is configured to be displayed is divided, each of the regions including at least one element image, and the element image including each pixel in the plurality of parallax images; a corrector that corrects pixels at positions corresponding to the regions in the parallax images into pixels of parallax images identified by the identification information; and a first generator that generates the three-dimensional image from the parallax images resulting from the correction. | 06-27-2013 |
20130258057 | IMAGE PROCESSING DEVICE, AUTOSTEREOSCOPIC DISPLAY DEVICE, IMAGE PROCESSING METHOD AND COMPUTER PROGRAM PRODUCT - According to an image processing device includes an acquiring unit and a correcting unit. The acquiring unit is configured to acquire a stereoscopic image containing a plurality of parallax images each having a mutually different parallax. The correcting unit is configured to perform, for each pixel of the stereoscopic image, correction to set a parallax number of a parallax image viewed at a viewpoint position to a first parallax number of a parallax image to be viewed at the viewpoint position by using correction data representing a difference value between the first parallax number and a second parallax number of a parallax image that is actually viewed at the viewpoint position and on which distortion correction for correcting distortion of light beams has been performed. | 10-03-2013 |
20140071181 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, COMPUTER PROGRAM PRODUCT, AND STEREOSCOPIC DISPLAY APPARATUS - According to an embodiment, an image processing device includes a first obtaining unit, a specifying unit, a first calculator, a second obtaining unit, and a selector. The first obtaining unit obtains a first parallax number representing a parallax image that is actually observed. The specifying unit specifies a panel parameter candidate. The first calculator calculates a second parallax number which represents a parallax image to be observed from the viewpoint position when the panel parameter is changed from the first panel parameter to the panel parameter candidate. The second obtaining unit obtains a third parallax number calculated when a first panel parameter candidate is specified, and the third parallax number is smaller than an error between the second parallax number calculated when a second panel parameter candidate is specified, and the third parallax number, the selector selects the first panel parameter candidate as the panel parameter. | 03-13-2014 |
20140125656 | IMAGE PROCESSING DEVICE, METHOD, COMPUTER-READABLE MEDIUM AND 3D IMAGE DISPLAY - A device according to embodiments may comprise an acquisition unit, an arrangement unit, a calculating unit, and a processing unit. The acquisition unit may acquire candidate vectors from among corresponding vectors which have been calculated for each candidate block around the target block. The arrangement unit may arrange particles around each candidate block indicated by each of the acquired candidate vectors while using the target block as an origination, and arrange particle vectors while using the target block as an origination. The calculating unit may calculate a correlation between a pixel value of the target block and a pixel value of each block defined by each of the particles, and give a weight depending on the calculated correlation to each of the particle vectors. The processing unit may obtain the corresponding vector for the target block based on the weight calculated for each of the particle vectors. | 05-08-2014 |
20140125781 | IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, COMPUTER PROGRAM PRODUCT, AND IMAGE DISPLAY DEVICE - According to an embodiment, an image processing device includes an obtaining unit, a first determining unit, and a detecting unit. The obtaining unit is configured to obtain an input image. The first determining unit is configured to determine a detection order that indicates an order of performing a detection operation for detecting whether an object is present with respect to partitioned areas into which the input image are divided, according to an existence probability that is set in advance for each of the partitioned areas and indicates a probability at which an object exists. The detecting unit is configured to perform, according to the detection order, the detection operation to detect whether the object is present in an area corresponding to a partitioned area subjected to the detection order in the input image. | 05-08-2014 |
20140139427 | DISPLAY DEVICE - A portable display device includes a display unit, a first capturing unit, and a second capturing unit. The display unit includes a rectangular display screen for displaying an image. The first capturing unit is configured to capture an image of an object. The first capturing unit is arranged in a region, corresponding to a first side of the display screen, which is a part of a peripheral region of the display unit other than the display screen. The second capturing unit is configured to capture an image of the object. The second capturing unit is arranged in a region, corresponding to a second side adjacent to the first side, which is a part of the peripheral region. | 05-22-2014 |
20140139648 | 3D DISPLAY APPARATUS, METHOD, COMPUTER-READABLE MEDIUM AND IMAGE PROCESSING DEVICE - A 3D display apparatus according to an embodiment comprises a display unit, an input unit, an estimator, a generator and an output unit. The display unit is capable of displaying a plurality of parallax images as a 3D image. Each of the parallax images may have a mutually different parallax. An input unit may input an input image. An estimator may estimate a relative tilt angle of an interocular direction of an observer with respect to a reference direction having been preset on the display unit. A generator may generate the parallax images from the input image using the relative tilt angle, each of the parallax images having the mutually different parallax along the interocular direction. An output unit may make the display unit display the parallax images. | 05-22-2014 |
20140168394 | IMAGE PROCESSING DEVICE, STEREOSCOPIC IMAGE DISPLAY, AND IMAGE PROCESSING METHOD - According to an embodiment, an image processing device includes an acquirer, a calculator, and a display controller. The acquirer is configured to acquire a three-dimensional coordinate value that indicates a position of a viewer. The calculator is configured to, using the three-dimensional coordinate value, calculate a reference coordinate value that indicates a position of the viewer in a reference plane that includes a visible area within which the viewer is able to view a stereoscopic image. The display controller is configured to control a display, which displays the stereoscopic image for which the visible area is different for each different height, so as to display information corresponding to the reference coordinate value. | 06-19-2014 |
20140185956 | DEVICE AND METHOD OF IMAGE PROCESSING - A device according to embodiments comprises an acquisition unit, a calculation unit, a selection unit, a generation unit, a projection unit, a denoising unit and a reconstruction unit. The acquisition unit may acquire a plurality of basis pattern for converting a first region and a second region in a target image. The calculation unit may calculate a contribution ratio of each basis pattern. The selection unit may select one or more basis patterns from higher contribution ratio to lower contribution ratio until a sum of selected contribution ratios reaches a specific first threshold. The generation unit may generate a control signal increasing with the number of the basis pattern selected by the selection unit. The projection unit may project a third region in the target image to the basis patterns to obtain a projection coefficient. The denoising unit may reduce noise of the projection coefficient in accordance with an intensity of the control signal so that the higher the intensity of the control signal is, the stronger the denoising becomes. The reconstruction unit may reconstruct the third region using the denoised projection coefficient. | 07-03-2014 |
20140192047 | STEREOSCOPIC IMAGE DISPLAY DEVICE, IMAGE PROCESSING DEVICE, AND IMAGE PROCESSING METHOD - According to an embodiment, a stereoscopic image display device includes a display, a determiner, a generator, and a display controller. The display is configured to display a stereoscopic image which includes a plurality of parallax images having mutually different parallaxes. The determiner is configured to determine the number of parallaxes in such a way that, the larger a viewing distance from the display to a viewer, the smaller becomes the interval between light beams which belong to each of the parallax images and which are emitted from the display. The generator is configured to generate the parallax images in number corresponding to the number of parallaxes. The display controller is configured to display the parallax images on the display. | 07-10-2014 |
20140192168 | IMAGE PROCESSING DEVICE, METHOD, AND STEREOSCOPIC IMAGE DISPLAY DEVICE - According to an embodiment, an image processing device provides a stereoscopic image to be displayed on a display and includes an acquisition unit, first and second calculators, a selector, and a determiner. The acquisition unit acquires observer information. The first calculator calculates, a viewpoint vector pointing from one to another of the observer position of each observer and the display, and an eye vector pointing from one to another eye of the observer, based on the observer information. The second calculator calculates a weight indicating a degree of desirability of stereoscopic viewing for each observer when the stereoscopic image according to one of display parameters is displayed on the display) by using the viewpoint vector and the eye vector of the observer. The selector selects one display parameter based on the weight. The determiner determines the stereoscopic image according to the selected display parameter. | 07-10-2014 |
20140247329 | IMAGE PROCESSING DEVICE, STEREOSCOPIC IMAGE DISPLAY APPARATUS, IMAGE PROCESSING METHOD AND IMAGE PROCESSING PROGRAM - According to an embodiment, there is provided an image processing device that displays a stereoscopic image on a display device having a panel and an optical aperture, including: a parallax image acquiring unit, a viewer position acquiring unit and an image generating unit. The parallax image acquiring unit acquires at least one parallax image, the parallax image being an image for one viewpoint. The viewer position acquiring unit acquires a position of a viewer. The image generating unit corrects a parameter for correspondence relationship between the panel and the optical aperture based on the position of the viewer relative to the display device, and generates an image, based on the corrected parameter, to which each pixel of the parallax image is allocated such that the stereoscopic image is visible to the viewer when the image is displayed on the display device. | 09-04-2014 |
20150015484 | DISPLAY DEVICE - A portable display device includes a display unit, a first capturing unit, and a second capturing unit. The display unit includes a rectangular display screen for displaying an image. The first capturing unit is configured to capture an image of an object. The first capturing unit is arranged in a region, corresponding to a first side of the display screen, which is a part of a peripheral region of the display unit other than the display screen. The second capturing unit is configured to capture an image of the object. The second capturing unit is arranged in a region, corresponding to a second side adjacent to the first side, which is a part or the peripheral region. | 01-15-2015 |