Method and apparatus for generating preview images

Details Method and apparatus for generating preview images Method and apparatus for generating preview images

1994-06-30

1996-05-21

Groody, James J.

Television

Bandwidth reduction system

Data rate reduction

348390, 345155, 345199, H04N 1102

Patent

active

055194397

ABSTRACT:
A local subsampled color video signal is converted directly to a CLUT 8 format for local display as a preview image without being locally compressed and decompressed, while the same signal to be transmitted to a remote locate is compressed. The local preview display is thus generated using relatively little computer time and hardware, while still being of adequate quality for preview purposes.

REFERENCES:
patent: 4774562 (1988-09-01), Chen et al.
patent: 5325109 (1994-06-01), Duckworth
patent: 5351085 (1994-09-01), Coelho et al.
patent: 5363138 (1994-11-01), Hayashi et al.
patent: 5381180 (1995-01-01), Keith
patent: 5384582 (1995-01-01), Keith
patent: 5432554 (1995-07-01), Nickerson et al.

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