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motion estimation

Started by Lode Nov 29, 2004 at 7:52 AM 0 replies 250+ views
Original Post
Lode
Lode
Hi, does anyone know what algorithm DivX or mpeg-4 uses for motion estimation? Also, I know that the algorithm divides the frames into blocks of 16x16 pixels, but to see motion, does it compare the blocks to each other the next frame, or does it look for similar blocks pixel by pixel? Do you know some good links or source code for motion estimation? Thanks.
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mdias
mdias
I don't know how the algorithm works, however you could check XviD, it is based on mpeg4 and is opensource.

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