Electronic camera utilizing image compression feedback for impro

Details Electronic camera utilizing image compression feedback for impro Electronic camera utilizing image compression feedback for impro

1993-10-29

1995-05-02

Kostak, Victor R.

Television

Bandwidth reduction system

Data rate reduction

348396, 348393, H04N 1104

Patent

active

054124271

ABSTRACT:
An electronic camera is disclosed that employs a color transformation stage 14 for transforming primary color signals into luminance and chrominance signals. The luminance signal is subjected to a lossy compression in the compression stage 16a, and then decoded in the decompression stage 32 to generate a feedback signal having lossy artifacts. The feedback signal is used in the generation of the chrominance signals prior to their compression, which causes the later-reconstructed chrominance signals to have fewer artifacts due to the compression algorithm.

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patent: 3971065 (1976-07-01), Bayer
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patent: 4716453 (1987-12-01), Pawelski
patent: 5038209 (1991-08-01), Hang
patent: 5053861 (1991-10-01), Tsai et al.
patent: 5065229 (1991-11-01), Tsai et al.
patent: 5072290 (1991-12-01), Yamagami et al.
patent: 5172227 (1992-12-01), Tsai et al.

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