Patent application number | Description | Published |
20080267533 | RESOLUTION ENHANCEMENT APPARATUS AND METHOD - A resolution enhancement apparatus includes unit to acquire a first image, unit to perform edge emphasis on the first image to obtain a second image, unit to detect, using one of the first image and the second image, points corresponding to image regions at a precision of a sub-pixel unit as a unit smaller than an interval between neighboring pixels, unit to set each of second values of the second image as a sampling value of a luminance value at each point when one of the second pixels is used as a pixel of interest, unit to enlarge the first image into a high-resolution image including a larger number of third pixels than the first image, and unit to execute value conversion which adds or subtracts third values in the high-resolution image in a direction to reduce errors between the luminance values sampled at the points and the sampling values. | 10-30-2008 |
20090079876 | IMAGE PROCESSING APPARATUS, METHOD, AND PROGRAM - An image processing apparatus includes a first receiving unit configured to receive a plurality of frames of an image containing pixel values, a first setting unit configured to set one of the frames as a reference frame, a second setting unit configured to set, of the frames received by the first receiving unit, one frame other than the reference frame as an other frame, a first storage unit configured to store at least one subpixel shift value that is a preset fractional value, and an estimation unit configured to estimate a fractional part of a position of a corresponding point corresponding to a pixel of the other frame to readily select a value closer to the subpixel shift value. | 03-26-2009 |
20090110331 | RESOLUTION CONVERSION APPARATUS, METHOD AND PROGRAM - An apparatus includes unit acquiring a target image as a target of resolution conversion, unit acquiring an additional image from the image source, unit estimating a corresponding point in the target image using corresponding point estimation methods, the corresponding point being associated with at least one pixel in the additional image to obtain corresponding points in the target image, unit setting a pixel value of each pixel included in the additional image as a sampling value for the corresponding point when each pixel is set as a target pixel, to obtain sampling values for pixels included in the additional image, and unit generating an image of a first resolution into which a second resolution of the target image is converted, using pixel values and positions of pixels included in the target image, and the sampling values and positions of the corresponding points. | 04-30-2009 |
20090129703 | SIGNAL PROCESSING METHOD, APPARATUS, AND PROGRAM - A method includes inputting to-be-processed data including a set of first-N-dimensional-coordinate values in an N-dimensional space and first-sampling values, inputting search-pattern data including a set of second-N-dimensional-coordinate values in the N-dimensional space and second-sampling values, setting a set of virtual-corresponding points designated by third-N-dimensional-coordinate values, acquiring input patterns each including third-sampling values within a first range with reference to a corresponding virtual-corresponding point, acquiring search patterns each including fourth-sampling-values within a second range with reference to a corresponding second-N-dimensional-coordinate value of the second-N-dimensional-coordinate values in correspondence with each of the second-N-dimensional-coordinate values, detecting, from the search pattern data, an estimated pattern including one search pattern and having smaller differences with respect to the input patterns than other search patterns, setting sampling values at first positions corresponding to the virtual-corresponding points in the estimated pattern as sampling values at the virtual-corresponding points, and converting a sampling rate of the to-be-processed data. | 05-21-2009 |
20090136132 | METHOD FOR IMPROVING QUALITY OF IMAGE AND APPARATUS FOR THE SAME - A method for improving quality of an image includes storing feature quantity candidates each having a luminance component for improving of quality of a first image, dividing the first image into blocks with an overlapping region formed between adjacent first and second blocks, assigning first and second feature quantity candidates selected from the feature quantity candidates of the storage to the first and second blocks, respectively, calculating an energy expressing each similarity between first and second luminance patterns of the first and second feature quantity candidates in the overlapping region, selecting one first feature quantity and one second feature quantity from the first and second feature quantity candidates, using the energy, and improving qualities of the first and second blocks using the first and second feature quantities to generate a second image. | 05-28-2009 |
20090161992 | IMAGE RESOLUTION INCREASING METHOD AND APPARATUS - An image resolution increasing method include setting a first block which is included in a low resolution image and is located at a first position, and a second block which is included in a high resolution image and is located at a second position, and setting, as an increasing resolution block of the first block, a third block expressed by a second vector obtained by projecting a first vector representing the second block to a linear manifold as a set of vectors that indicate fourth blocks of the second block size, the fourth blocks becoming the first block due to reduced resolution, in a Euclidean space having, as the number of dimensions, a product of the number of pixels arranged vertically in the second block size and the number of pixels arranged horizontally in the second block size. | 06-25-2009 |
20090208061 | IMAGE ANALYSIS METHOD, APPARATUS AND PROGRAM - An image analysis method for analyzing the motion of an object by using the time-series image data. The method comprises inputting time-series image data, generating time-series object image data by extracting an object region from the time-series image data, and analyzing the motion of the object from the time-series object image data. | 08-20-2009 |
20100020241 | RESOLUTION CONVERSION APPARATUS, METHOD, AND PROGRAM - An apparatus includes a first-acquisition unit acquiring, from target image data, an input image pattern including pixel values within a predetermined range with reference to each of ideal corresponding points, a second-acquisition unit acquiring, as candidate image patterns, from search-image-pattern data, a first candidate image pattern including pixel values within the predetermined range, a finding unit finding, from the search-image-pattern data, an estimated image pattern as a second candidate image pattern of the candidate image patterns which has a smaller difference from the input image pattern than other candidate image patterns, a first setting unit setting pixel values of positions corresponding to the ideal corresponding points in the estimated image pattern as pixel values at the ideal corresponding points, and a conversion unit converting a resolution of the target-image data using the N-dimensional coordinate values and the pixel values corresponding to the N-dimensional coordinate values. | 01-28-2010 |
20100226577 | IMAGE PROCESSING APPARATUS AND METHOD - An apparatus includes. a unit generating a sample-texture image, a unit searching a preset-search range for similar pixels and to generate a texture image by assigning a pixel value of each of the similar pixels to a pixel value of a processing-target pixel in the texture image, the preset-search range being included in the sample-texture image and including a position corresponding to a position of the processing-target pixel to which any pixel value is not yet assigned, the similar pixels having, around the similar pixels, variation patterns similar to a pattern of pixels which are located in the texture image near the processing-target pixel and to which pixel values are assigned, and a unit combining the texture image and a base image of a same size as the texture image to obtain a synthetic image, the base image holding shades similar to shades of a transform-target image. | 09-09-2010 |
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 |
20120105718 | IMAGE PROCESSING DEVICE - An image processing device includes an estimator, a first calculator, a selector, a determination module, and a third calculator. The estimator estimates a motion vector to reference images of an input video from a target pixel of a process target image. The first calculator calculates candidate pixel values corresponding to positions in the reference images. The selector selects a motion vector for which the error is small as many as the number smaller than the number of motion vectors acquired for the target pixel. The determination module determines the candidate pixel values corresponding to the selected motion vectors. The third calculator calculates a pixel value after correction of the target pixel from an arithmetic average or a weighted sum of the candidate pixel value determined equal to or less than the reference and the pixel value of the target pixel. | 05-03-2012 |
20120162223 | PARALLAX IMAGE GENERATING APPARATUS - According to one embodiment, a parallax image generating apparatus includes a deriving unit, a generating unit, a first calculating unit, a setting unit, a searching unit, and an interpolating unit. The deriving unit derives a parallax vector corresponding to a first pixel from the input image and depth information associated with the first pixel. The generating unit generates an intermediate image. The first calculating unit calculates first weights for respective pixels of a parallax image. The setting unit sets one or more candidate blocks near a shade-forming-area pixel of the intermediate image, and sets a reference block among one or more candidate blocks. The searching unit searches a target block similar to the reference block in the input image and/or the intermediate image. The interpolating unit interpolates a pixel value of the shade-forming-area pixel. | 06-28-2012 |
20120169844 | IMAGE PROCESSING METHOD AND APPARATUS - An image processing method for creating a disparity image for 3D display from a 2D video image includes detecting based on a first image of the 2D video image in a time and a second image in a time different from the first image, motion vectors between the first and second images for each block of the first image, detecting from the motion vectors, a most backward vector of a portion whose depth is on the back side, calculating differential vectors between each motion vector and the most backward vector and giving a depth on a close to the block of the first image corresponding to the motion vector having the larger differential vector and creating one or more disparity images from the first image and the depth. | 07-05-2012 |