Non-linear digital filters for interlaced video signals and meth

Details Non-linear digital filters for interlaced video signals and meth Non-linear digital filters for interlaced video signals and meth

1997-06-23

1999-06-08

Ramirez, Ellis B.

Boots, shoes, and leggings

G06F 1700

Patent

active

059109092

ABSTRACT:
A structure and a format for providing a video signal encoder under the MPEG standard are provided. In one embodiment, the video signal interface is provided with a decimator for providing input filtering for the incoming signals. In one embodiment, the central processing unit (CPU) and multiple coprocessors implements DCT and IDCT and other signal processing functions, generating variable length codes, and provides motion estimation and memory management. The instruction set of the central processing unit provides numerous features in support for such features as alpha filtering, eliminating redundancies in video signals derived from motion pictures and scene analysis. In one embodiment, a matcher evaluates 16 absolute differences to evaluate a "patch" of eight motion vectors at a time.

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