Pixel signal processor and pixel signal processing method

Details Pixel signal processor and pixel signal processing method Pixel signal processor and pixel signal processing method

2005-07-22

2009-06-30

Harold, Jefferey F (Department: 4112)

Television

Camera, system and detail

Combined image signal generator and general image signal...

C348S272000, C382S300000, C382S162000, C382S167000, C358S525000

Reexamination Certificate

active

07554583

ABSTRACT:
A pixel signal having a k-th spectral characteristic at a pixel interpolation position occupied by a pixel signal having an h-th spectral characteristic is generated from a set of pixel signals arrayed in a two-dimensional plane, each having one of a plurality of spectral characteristics, by calculating a difference between low-frequency components, corresponding to a degree of correlation between pixel signals having the k-th and h-th spectral characteristics in a neighborhood of the pixel interpolation position (8r,8g,8b,24k,24h,26), calculating a non-correlation value corresponding to a degree of non-correlation between the pixel signals having the k-th and h-th spectral characteristics in the neighborhood of the pixel interpolation position (7r,7g,7b,23k,23h,25), and obtaining the pixel signal having the k-th spectral characteristic at the pixel interpolation position by using the calculated difference and the non-correlation value (27, 28, 29). Accurate interpolation can be performed despite various different correlation relationships between color component values.

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