Transcoder for spatial manipulation of composite color televisio

Details Transcoder for spatial manipulation of composite color televisio Transcoder for spatial manipulation of composite color televisio

1990-03-01

1992-12-15

Razavi, Michael T.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 31, H04N 1120, H04N 964

Patent

active

051722178

ABSTRACT:
The apparatus and method transforms composite video signals according to NTSC, PAL, or SECAM standards into a symmetrical form in which the chroma component is phase locked to the instantaneous horizontal frequency to provide a fixed chroma phase to horizontal position alignment of video samples for efficient spatial manipulation thereof while preserving the storage efficiency of the single signal composite video format. The horizontally phase-locked symmetrical composite video signal may be transformed back to original asymmetrical chroma-reference based phase modulation for conventional display of the video signals.

REFERENCES:
patent: 3764739 (1973-10-01), Faroudja
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patent: 4266241 (1981-05-01), Hjortzberg
patent: 4555735 (1985-11-01), Usuki et al.
patent: 4724476 (1988-02-01), Nakagawa et al.
patent: 4860120 (1989-08-01), Yamashita
patent: 4956719 (1990-09-01), Yamashita

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