Patent
Apparatus for motion estimation of video data
TLDR
In this article, an apparatus for motion estimation of video data is presented, which includes a sum of absolute difference (SAD) calculating unit that receives video data and calculates an SAD for each frame of the video data, a motion vector calculating unit which divides video data into macroblocks or sub-macroblocks having a predetermined size, and a motion updating unit which performs motion estimation on video data using SAD calculated by the SAD calculating unit.Abstract:
Provided is an apparatus for motion estimation of video data. The apparatus includes a sum of absolute difference (SAD) calculating unit which receives video data and calculates an SAD for each frame of the video data, a motion vector calculating unit which divides each frame of the video data into macroblocks or sub-macroblocks having a predetermined size and calculates a motion vector estimation value using motion vectors or prediction vectors of macroblocks or sub-macroblocks adjacent to each macroblock or sub-macroblock, and a motion updating unit which performs motion estimation on the video data using an SAD calculated by the SAD calculating unit for the macroblocks or the sub-macroblocks adjacent to each macroblock or sub-macroblock having the predetermined size and the motion vector estimation value of the motion vector calculating unit.read more
Citations
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References
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Patent
Motion estimation using a hierarchical search
TL;DR: In this paper, a hierarchial search for moving image encoding determines a motion vector by comparing a target block to sets of blocks selected according to the results of previous comparisons, where each set of blocks includes a central block and four blocks offset on x and y axes.
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Encoding mode deciding apparatus, image encoding apparatus, encoding mode deciding method, and encoding mode deciding program
Youji Shibahara,Shinya Kadono +1 more
TL;DR: An encoding mode deciding apparatus allowing an appropriate encoding mode to be selected with less mount of processings was proposed in this paper. But this apparatus was not suitable for the problem of image block partitioning.
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Method and system for performing motion estimation using logarithmic search
Tinku Acharya,Kalpesh Mehta +1 more
TL;DR: In this article, a method, apparatus, and system for performing motion estimation using a logarithmic search is described, where one or more image signal processing engines including a plurality of processing elements are employed.