Dual interleaved block motion compensation

Details Dual interleaved block motion compensation Dual interleaved block motion compensation

1996-06-28

1998-06-30

Williams, Hezron E.

Television

Special applications

Simulator

348384, 348420, H04N 712

Patent

active

057746770

ABSTRACT:
Input image data is stored in an interleaved format, in which data from two or more blocks are stored in an alternating fashion. Motion compensation is performed on the interleaved data by applying motion vectors to the appropriate data to generate different blocks of motion-compensated image data in the interleaved format. In one embodiment, the input image data are reference data and the motion compensation generates motion-compensated prediction data used during video compression processing. The present invention enables other steps in such video compression processing (e.g., inverse block transform and motion-compensated addition) to be implemented efficiently in pseudo-SIMD fashion without having to convert image data back and forth between the interleaved format and conventional block order format.

REFERENCES:
patent: 5189526 (1993-02-01), Sasson
patent: 5414780 (1995-05-01), Carnahan
patent: 5539662 (1996-07-01), Nickerson
patent: 5559722 (1996-09-01), Nickerson
patent: 5565922 (1996-10-01), Krause
patent: 5598514 (1997-01-01), Purcell et al.
patent: 5608656 (1997-03-01), Purcell et al.
patent: 5612742 (1997-03-01), Krause et al.

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