Patent application number | Description | Published |
20090190029 | VIDEO PROCESSING METHODS AND RELATED APPARATUS - A video processing method includes: executing a first video detection for a first video processing operation; and performing a second video processing operation by referencing detection result of the first video detection. One of the first and second video processing operations is line-based processing, and the other is block-based processing. | 07-30-2009 |
20090190037 | METHOD AND INTEGRATED CIRCUIT FOR VIDEO PROCESSING - An integrated circuit capable of video processing and a method thereof is disclosed. The integrated circuit comprises an image information generator, an adaptive motion vector (MV) candidate generator, and a block matching unit. The image information generator receives reference and current video data to determine image information. The adaptive MV candidate generator, coupled to the image information generator, receives the reference and current video data to generate spatial and temporal MV candidates, and generates an updated MV candidate based on the image information. The block matching unit, coupled to the adaptive MV candidate generator, receives the spatial and temporal MV candidates and the updated MV candidate and performs block matching to determine an output MV therefrom. | 07-30-2009 |
20090190038 | METHOD, VIDEO ENCODER, AND INTEGRATED CIRCUIT FOR DETECTING NON-RIGID BODY MOTION - A method for detecting a non-rigid-body in video coding and an integrated circuited for the same are disclosed. The integrated circuit capable of detecting non-rigid-body comprises a best matched block, a correlation unit, and a non-rigid-body detection unit. The best matched block unit receives a current block in a current video frame and block searching a reference video frame to determine an initial motion vector for a best matched block in the reference video frame. The correlation unit, coupled to the best matched block unit, receives the best matched block, and computes a correlation between a corresponding block and the best matched block. The non-rigid-body detection unit, coupled to the correlation unit, determines whether the current block contains non-rigid-body according to the correlation. | 07-30-2009 |
20090244388 | MOTION ESTIMATION METHOD AND RELATED APPARATUS FOR DETERMINING TARGET MOTION VECTOR ACCORDING TO MOTION OF NEIGHBORING IMAGE BLOCKS - A motion estimation method for determining a target motion vector includes calculating a plurality of block matching differences associated with a plurality of candidate motion vectors, determining a plurality of candidate block matching differences according to the block matching differences and motion of a plurality of neighboring image blocks associated with a target image block, and selecting a vector corresponding to a minimum block matching difference among the candidate block matching differences as the target motion vector. | 10-01-2009 |
20090268096 | VIDEO PROCESSING METHOD FOR DETERMINING TARGET MOTION VECTOR ACCORDING TO CHROMINANCE DATA AND FILM MODE DETECTION METHOD ACCORDING TO CHROMINANCE DATA - A video processing method for determining a target motion vector includes generating a plurality of candidate temporal matching differences according to data of different color components in a specific color system and determining a vector associated with a minimum temporal matching difference from the candidate temporal matching differences as the target motion vector. A film mode detection method includes generating a plurality of candidate frame differences from a plurality of received frames according to data of different color components in a specific color system and performing film mode detection according to the candidate frame differences. | 10-29-2009 |
20090268097 | SCENE CHANGE DETECTION METHOD AND RELATED APPARATUS ACCORDING TO SUMMATION RESULTS OF BLOCK MATCHING COSTS ASSOCIATED WITH AT LEAST TWO FRAMES - A scene change detection method includes calculating a first summation result of a plurality of minimum block matching costs associated with a plurality of blocks within a first frame, calculating a second summation result of a plurality of minimum block matching costs associated with a plurality of blocks within a second frame, and determining whether a scene change occurs according to the first and second summation results. | 10-29-2009 |
20090304293 | MOTION ESTIMATION METHOD AND RELATED APPARATUS FOR EFFICIENTLY SELECTING MOTION VECTOR - A motion estimation method includes selecting a plurality of selected motion vectors from a plurality of candidate motion vectors according to dissimilarity/priorities of the candidate motion vectors and determining a target motion vector corresponding to a minimum block matching cost according to the selected motion vectors without referring to each non-selected motion vector remaining in the candidate motion vectors. | 12-10-2009 |
20090310679 | VIDEO PROCESSING APPARATUS AND METHODS - A video processing apparatus is provided for interpolating frames between two frames. The video processing apparatus includes a motion estimation unit, a region detector and a motion compensation unit. The motion estimation unit receives the two frames and provides motion vector information of the two frames. The region detector generates boundary information associated with image boundaries of the two frames, determines a specific region in the two frames according to the boundary information and generates region information according to the determination result. The motion compensation unit generates an interpolated frame between the two frames in accordance with the region information and the motion vector information. | 12-17-2009 |
20090316042 | VIDEO PROCESSING METHODS AND RELATED DEVICES FOR DETERMINING TARGET MOTION VECTOR - A video processing method for determining a target motion vector of a target image block includes: selecting a specific directional group from a plurality of directional groups by comparing penalty or likelihood of each direction specified by the directional groups, wherein the penalty of a direction is calculated by comparing candidate motion vector of the target image block with a motion vector of each neighboring image block in the corresponding directional group, and each of the directional groups is configured to include the target image block and at least a neighboring image block; and determining the target motion vector according to the candidate motion vector of the target image block and a motion vector of each neighboring image block in the specific directional group. | 12-24-2009 |
20090316043 | METHOD AND RELATED APPARATUS FOR GENERATING INTERPOLATED FRAME ACCORDING TO SPATIAL RELATIONSHIP RESULT AND TEMPORAL MATCHING DIFFERENCE - A method for generating an interpolated frame includes: calculating a temporal matching difference corresponding to a target motion vector of a current block by performing a motion estimation on the current block; deriving a spatial relationship result according to the target motion vector and motion vectors corresponding to a plurality of neighboring image blocks; and deriving the interpolated frame according to the target motion vector, the spatial relationship result, and the temporal matching difference. | 12-24-2009 |
20100014715 | IMAGE PROCESSING APPARATUS HAVING TEXTURE INFORMATION CONSIDERATION AND METHOD THEREOF - An image processing apparatus includes a block matching unit, a texture information analyzing unit, and a matching cost generating unit. The block matching unit compares at least a target block and at least a reference block to generate a matching result. The texture information analyzing unit generates a texture analysis result corresponding to texture information of the target block and texture information of the reference block. The matching cost generating unit is coupled to the block matching unit and the texture information generating unit, and generates a matching cost according to the matching result and the texture analysis result. | 01-21-2010 |
20100033630 | METHODS AND RELATED APPARATUS MAKING EFFECTIVE USE OF BANDWIDTH OF STORAGE DEVICE TO GENERATE INTERPOLATED FRAMES - A method of interpolated frame generation and input source detection includes: receiving input frames; storing at least a first frame of successive frames in the input frames into a storage device under a film mode; comparing the stored first frame with a second frame of the successive frames not stored in the storage device to generate a first comparison result for determining whether to exit the film mode; and reading frames stored in the storage device to generate interpolated frames under the film mode. | 02-11-2010 |
20100092101 | METHODS AND APPARATUS FOR ENHANCING IMAGE QUALITY OF MOTION COMPENSATED INTERPOLATION - A method for enhancing image quality of motion compensated interpolation includes generating an interpolated frame according to at least two source frames by analyzing motion estimation information of the two source frames. The method further includes: regarding a pixel under consideration within the interpolated frame, selectively performing post filtering according to motion estimation information of a region where the pixel is located. Accordingly, an apparatus for enhancing image quality of motion compensated interpolation is also provided. | 04-15-2010 |
20100284627 | APPARATUS AND METHODS FOR MOTION VECTOR CORRECTION - A motion vector correction apparatus for correcting an estimated motion vector for a pixel located at a position of an interpolated frame between a first and a second frame is provided, including a three-frame motion estimation unit estimating a previous and a following motion vector fields; a motion vector selection unit determining a set of reference motion vectors associated with the first and second frame for the position of the pixel, wherein the reference motion vectors include a first motion vector set as the estimated motion vector and a pair of corresponding motion vectors from the previous and following motion vector fields; and a motion vector correction unit obtaining a measure of consistency between the corresponding motion vectors, adapting a plurality of weighted factors according to the measure of consistency and correcting the estimated motion vector according to the adapted weighted factors and the set of reference motion vectors. | 11-11-2010 |