Electronic camera utilizing image compression feedback for improved color processing
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United States of America Patent
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May 2, 1995
Grant Date -
N/A
app pub date -
Oct 29, 1993
filing date -
Oct 29, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
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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