Patent application number | Description | Published |
20080278632 | Image processing apparatus - A brightness converting unit obtains brightness of each of the pixels. The low-resolution brightness image generating unit divides an image based on the input image signal into a plurality of domains, and obtains an average brightness of each of the domains, on the basis of the brightness obtained by the brightness converting unit. A high-resolution brightness image generating unit obtains brightness of each of the pixels included in the image based on the input image signal by weighting the average brightness obtained for each of the domains by a distance from a central portion of the domain. On the basis of the obtained brightness, the corrected gain lookup table determines a corrected gain, and the correcting unit corrects the input image signal. | 11-13-2008 |
20090141792 | IMAGE PROCESSING APPARATUS, MOBILE WIRELESS TERMINAL APPARATUS, AND IMAGE DISPLAY METHOD - An image decoding unit decodes an encoded stream and determines whether an error has occurred in the frame obtained by decoding. An image estimation unit estimates the image quality of the frame on the basis of the occurrence state of an error in the frame, a quantization step QP, a display timing PTS, and the like, and outputs the frame to a simple enlargement processing unit which performs simple image enlargement processing, an enlargement processing unit which performs normal image enlargement processing, or a frame interpolation unit which performs frame interpolation, in accordance with the estimation result, thereby selectively executing image processing. | 06-04-2009 |
20090279799 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - An edge map generator/edge weighting coefficient generator performs edge detection for respective blocks that compose a moving image frame Ft, and calculates correlations between the edges of the respective blocks and those of neighboring blocks as edge weighting coefficients. A predictive vector candidate determination unit calculates a plurality of motion vector candidates for each block based on this edge weighting coefficient. Of these candidates, a motion vector detector obtains a candidate with a small evaluation value based on prediction errors and motion vector cost as a motion vector, thereby generating an interpolation frame Ft-0.5. | 11-12-2009 |
20100021057 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - A Y histogram creation processing unit detects the signal level (luminance level) of the Y signal component of each pixel of a frame on the basis of YUV signals, and creates a histogram by totaling the number of pixels for each signal level. In this processing, a histogram is created by adding values weighted depending on whether a region in a predetermined range around each pixel includes a monotonous pattern. A histogram shape processing unit shapes the histogram. An input/output correction characteristic creation processing unit performs normalization by cumulative addition. A correction lookup table creation processing unit creates a lookup table on the basis of the input/output correction characteristic obtained by the input/output correction characteristic creation processing unit. A Y correction processing unit corrects a Y signal on the basis of the table. | 01-28-2010 |
20100073340 | IMAGE COMPENSATION DEVICE, IMAGE COMPENSATION METHOD, AND A METHOD FOR SETTING IMAGE COMPENSATION VALUES - An image compensation device includes a transform unit configured to convert a value obtained by multiplying an intensity of the ambient light by a reflection ratio to a value of the same form as a first gradation value, and acquire a second gradation value, a subtracter to subtract the second gradation value from a third gradation value obtained through the first inverse transform performed on a first gradation value, and acquire a fourth gradation value, a transform unit configured to perform a second inverse transform on the fourth gradation value and acquire a fifth gradation value, and a storage unit configured to store a look-up table in which the fifth gradation value is associated with the first gradation value, as a correction value which should be applied to the display panel in place of the first gradation value. | 03-25-2010 |
20100123731 | IMAGE PROCESSING APPARATUS AND IMAGE PROCESSING METHOD - The RGB values of each pixel in every frame are converted into ideal tristimulus values X, Y, and Z. Based on a chromaticity-histogram based on the tristimulus values X, Y, and Z and a color gamut for each Y value corrected in accordance with a backlight-brightness, an xy error count generation unit obtains the number of chromaticity errors for each of a plurality of backlight-brightnesses. A lightness-histogram is created based on the RGB signals for each frame. Based on the histogram and a lightness higher than a maximum tone after correction according to the backlight-brightness, a lightness error count generation unit obtains the number of lightness errors for each of the plurality of backlight-brightnesses. An error minimum BL-brightness detection unit decides an optimum backlight-brightness based on the number of chromaticity errors and the number of lightness errors. A tone conversion unit performs tone conversion in accordance with the backlight-brightness. | 05-20-2010 |
20100309980 | APPARATUS AND METHOD FOR PROCESSING IMAGE - A motion detection unit detects a motion vector of each of blocks constituting interpolation frame F | 12-09-2010 |
20110254878 | IMAGE PROCESSING APPARATUS - According to one embodiment, an image processing apparatus includes a panel luminance controller, a calculation module and a conversion module. The panel luminance controller is configured to control panel luminance of a self-emission type device based on intensity of ambient light. The calculation module is configured to calculate a gradation conversion function based on a characteristic amount of an input image and the panel luminance, the gradation conversion function having been provided to correct appearance of the input image. The conversion module is configured to apply the gradation conversion function to the input image, to generate an output image. | 10-20-2011 |
20120307156 | ELECTRONIC APPARATUS AND IMAGE PROCESSING METHOD - According to one embodiment, an electronic apparatus includes a motion search module, a flicker reduction module and a display controller. The motion search module determines first vectors including motion vectors corresponding to pixel blocks in a target frame in video data, and determines pixels in a previous frame by using the first vectors, the pixels corresponding to pixels in the target frame. The flicker reduction module reduces flicker by blending a first pixel in the target frame and a second pixel in the previous frame. The display controller controls displaying the target frame including the blended pixel. | 12-06-2012 |
20130249931 | IMAGE PROCESSING DEVICE AND IMAGE PROCESSING METHOD - According to one embodiment, an image processing device configured to correct image signal, includes: a histogram generating module configured to generate histograms for each luminance value for an image that is based on an input image signal; a color emphasizing module configured to determine a color emphasis characteristic through color difference corrections according to the generated histograms; and a gradation converting module configured to generate a corrected image signal by converting gradations of the input image signal according to the determined color emphasis characteristic. | 09-26-2013 |