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Color signal processing technique for single-chip CCD cameras that employ CPUs with SIMD instruction sets

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1 Author(s)
Toi, T. ; Silicon Syst. Res. Lab., NEC Corp., Kanagawa, Japan

This paper presents a color signal processing technique for use in single-chip CCD cameras that have CPUs employing SIMD (single instruction multiple data) instruction sets for signal processing. With it, the processing time can be reduced to a half that of conventional techniques. Color space conversion is performed before color interpolation, rather than after, and as a vector operation; this reduces the number of required multiply-operations to 3 or 4, depending on the number of colors being used, as opposed to 9 for conventional 3 by 3 matrix processing

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:46 ,  Issue: 2 )

Date of Publication:

May 2000

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