Method of estimating backward motion vectors within a video...

Details Method of estimating backward motion vectors within a video... Method of estimating backward motion vectors within a video...

2006-04-11

2006-04-11

Philippe, Gims (Department: 2613)

Pulse or digital communications

Bandwidth reduction or expansion

Television or motion video signal

C382S236000, C348S699000

Reexamination Certificate

active

07027510

ABSTRACT:
A method of speeding the computation of backward motion vector estimates which are derived from fields which are available from forward motion vector estimates as based on nearest neighbor criterion. The method allows for the generation of multi-frame backwards motion vectors. The invention of the present method for estimating backward motion vectors is particularly well-suited for use with the MPEG-2 video standard.

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patent: 5786860 (1998-07-01), Kim et al.
patent: 5825421 (1998-10-01), Tan
patent: 6219436 (2001-04-01), De Haan et al.
patent: 6654420 (2003-11-01), Snook

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