Patent application number | Description | Published |
20080267532 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An image enlarging apparatus includes: a luminance data calculation unit configured to set a reference frame from a video image, and to calculate first luminance data for a high resolution video image; a position calculation unit configured to set target pixels in at least one of frames included in the video image except the reference frame, and to calculate corresponding positions to the target pixels in the reference frame with decimal accuracy; a correction amount calculation unit configured to parallelly calculate correction amounts of the first luminance data for the corresponding positions based on the first luminance data, third luminance data of the target pixels, and the corresponding positions; an addition unit configured to calculate sum of correction amounts from the correction amounts; and a luminance data correction unit configured to correct the first luminance data based on the sum of the correction amounts. | 10-30-2008 |
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 |
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 |
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 |
20120113101 | Three-Dimensional Image Display Apparatus, Method and Program - According to one embodiment, a three-dimensional image display apparatus includes a display unit and a generating unit. The display unit includes a two-dimensional image display device includes a display surface with a plurality of pixels arranged in a matrix, and a plurality of light ray control elements provided on the display surface of the two-dimensional image display device corresponding to the pixels. The generating unit generates an optimal elemental image by determining a value of at least one pixel from a weighted sum of values of at least two pixels of a generated image or an input image, and weights calculated based on light ray distributions indicating directions and scattering degrees of light rays from the light ray control elements. The display unit displays the optimal elemental image. | 05-10-2012 |
20120223941 | IMAGE DISPLAY APPARATUS, METHOD, AND RECORDING MEDIUM - According to one embodiment, an image display apparatus includes a display including a light ray controller and a light-emitting panel, an image acquisition unit, an interpolation process unit, and a sub-pixel rearrangement process unit. The image acquisition unit acquires a first image. The interpolation process unit performs an interpolation process for the first image to generate a second image. The interpolation process calculates a color of a first phase which is determined from a display specification including at least one of a size, tilt, and arrangement interval of the light ray controller, a pitch of sub pixels of the light emitting panel, and an arrangement of color filters. The sub-pixel rearrangement process unit generates a third image by rearranging colors in the second image for each sub-pixel. The light-emitting panel illuminates the third image. | 09-06-2012 |
20130044956 | IMAGE PROCESSING APPARATUS AND METHOD - According to one embodiment, an image processing apparatus includes following units. The correlation calculation unit calculates correlations between a first region and predetermined first basis vectors. The distance calculation unit calculates distances between the first region and second regions on a subspace generated by the second basis vectors selected from the first basis vectors. The feature quantity calculation unit calculates a feature quantity based on the correlations. The weight calculation unit calculates weights based on the distances and the feature quantity. The pixel value calculation unit calculates a weighted average of pixel values according to the weights to generate an output pixel value. | 02-21-2013 |
20130176455 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - According to one embodiment, an image processing apparatus includes a calculation unit. The calculation unit calculates a reliability for each of pixel areas in such a manner that the reliability increases with increasing at least one of (1) a first evaluation value which increases with increasing planarity, in a color space, of a distribution of pixel values in each of the pixel areas, (2) a second evaluation value which increases with increasing wideness of pixel values in each of the pixel areas on an estimated plane approximating the distribution of the pixel values in each of the pixel areas in the color space, and (3) a third evaluation value which increases with decreasing distance between the estimated plane and an origin of the color space. | 07-11-2013 |
20140098263 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - According to an embodiment, an image processing apparatus includes a scattered light acquisition unit, a control information acquisition unit and a control unit. The scattered light acquisition unit acquires an amount of scattered light included in each pixel of an input image. The control information acquisition unit acquires control information determining an amount of scattered light included in each pixel of an output image. The control unit generates the output image by controlling the amount of the scattered light included in each pixel of the input image based on the control information. | 04-10-2014 |
20140334708 | IMAGE PROCESSING APPARATUS AND X-RAY CT APPARATUS - An image processing apparatus according to an embodiment includes a generator, a selector, a first detector, and a second detector. The generator generates a group of frames corresponding to reconstructed images that correspond to a plurality of heartbeat phases of a heart. The selector specifies a corresponding frame that corresponds to a specific heartbeat phase from among the group of frames. The a first detector detects a boundary of the heart in the corresponding frame. The second detector detects a boundary of the heart in the frames other than the corresponding frame, by using the detected boundary in the corresponding frame. | 11-13-2014 |