A motion estimation coprocessor for use in a video data system. The motion estimation coprocessor may be used with a video memory that subdivides a P row.times.Q column image of pixels into several pages. The page structure enables efficient loading of video data into the coprocessor. The motion estimation coprocessor may perform several block matches simultaneously. The motion estimation coprocessor may perform exhaustive block matching or use a hierarchical search.
* 5,842,033 Padding apparatus for passing an arbitrary number of bits through a buffer in a pipeline system
5,878,273 System for microprogrammable state machine in video parser disabling portion of processing stages responsive to sequence.sub.-- end token generating by token generator responsive to received data
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