Patent application number | Description | Published |
20090060360 | Method and apparatus for processing image and electronic device using the same - A method and apparatus for processing an image, and an electronic device are provided. The method comprises: picking a maximum gray level from the gray levels in the sub-pixels of each image pixel in the image to obtain a luminance map which is consisted of the maximum gray levels of the image pixels; determining an image-content lightness of the image according to the luminance map; and adjusting the gray levels in the sub-pixels of the image pixels in the image according to the image-content lightness of the image. | 03-05-2009 |
20090097777 | DIGITAL IMAGE TONE REMAPPING METHOD AND APPARATUS - A digital image tone remapping method is disclosed. The method includes computing an average luminance value of a digital image; generating a preliminary tone mapping function according to the average luminance value; generating a luminance statistic of the digital image; determining new remapped values for a plurality of skeleton luminance values according to the preliminary tone mapping function and the luminance statistic; generating a final tone mapping function according to the new remapped values and the plurality of skeleton luminance values; and remapping the digital image through the final tone mapping function. The present invention also discloses an apparatus performing the method. | 04-16-2009 |
20090303390 | Method for separating luminance and chrominance of composite TV analog signal - A method for separating luminance and chrominance of a composite TV analog signal includes the steps of: measuring first differences between horizontal neighbor pixels, second differences between vertical neighbor pixels and third differences between temporal neighbor pixels encoded in the composite TV analog signal; comparing the first, second and third differences with one another to obtain a minimum difference used as a factor of a weighting function; and filtering the composite TV analog signal simultaneously by a two-dimensional (2D) comb filter and a three-dimensional (3D) comb filter according to the weighting function on the basis of the minimum difference to obtain a luminance signal and a chrominance signal, in which magnitudes of a part of the composite TV analog signal filtered by the 2D comb filter and magnitudes of the other part of the composite TV analog signal filtered by the 3D comb filter are determined by the weighting function. | 12-10-2009 |
20100091859 | MOTION COMPENSATION APPARATUS AND A MOTION COMPENSATION METHOD - A motion compensation apparatus and a motion compensation method are provided. The motion compensation apparatus comprises: a memory, a motion vector generator, a deviation calculator, a determining module, a selector and a motion compensator. The memory stores a plurality of frame encode information and a plurality of decoded frames; the motion vector generator generates a motion vector according to the plurality of frame encode information; the deviation calculator calculates a deviation data according to the motion vector and the plurality of decoded frames; the determining module determines a confidence level of the motion vector according to the deviation data; the selector selects a plurality of pixels from the plurality of decoded frames according to the motion vector when the confidence level is high; and the motion compensator compensates the plurality of decoded frames according to the plurality of pixels. | 04-15-2010 |
20100141832 | Method of Converting Frame Rate of Video Signal - A method of converting a frame rate of a video signal includes the steps of: receiving a pulldown film sequence existing in or converted from a sequence of successive-in-time frames of the video signal, in which the pulldown film sequence comprises a plurality of diverse original frames each having a corresponding number of duplicate frames; modifying the original frames; performing estimation of at least one motion vector associated with the modified original frames; and interpolating new frames between the modified original frames in accordance with the motion vector. | 06-10-2010 |
20100289944 | Frame Rate Up-Conversion Based Dynamic Backlight Control System and Method - A frame rate up-conversion (FRUC) based dynamic backlight control (DBLC) system and method are disclosed. A frame rate up-conversion (FRUC) unit increases frame rate by adding at least one image frame in a video display, and a dynamic backlight control (DBLC) unit adjusts backlight luminance in the video display. The DBLC unit operates at an original frame rate, and adjusts the backlight luminance for the added image frame according to statistical information about the added image frame derived from the FRUC unit. | 11-18-2010 |
20110141237 | DEPTH MAP GENERATION FOR A VIDEO CONVERSION SYSTEM - In accordance with at least some embodiments of the present disclosure, a process for generating a depth map for converting a two-dimensional (2D) image to a three-dimensional (3D) image is described. The process may include generating a depth gradient map from the 2D image, wherein the depth gradient map is configured to associate one or more edge counts with one or more depth values, extracting an image component from the 2D image, wherein the image component is associated with a color component in a color space, determining a set of gains to adjust the depth gradient map based on the image component, and generating the depth map by performing depth fusion based on the depth gradient map and the set of gains. | 06-16-2011 |
20120069038 | Image Processing Method and Image Display System Utilizing the Same - An image display system including an adjuster, a first analysis module, a second analysis module and a brightness compensation module is disclosed. The adjuster utilizes a specific method and a depth information to adjust a processed image to generate a first image and a second image. The first analysis module analyzes the first image to obtain a first image distribution result. The second analysis module analyzes the second image to obtain a second image distribution result. The brightness compensation module adjusts brightness of the first and the second images according to the first and the second image distribution results. The adjusted first image serves as a left-eye image component and the adjusted second image serves as a right-eye image component. | 03-22-2012 |