Mitsubishi Denki Kabushiki Kaisha

Shoutarou Moriya

Hiroaki Sugiura

Koichi Yamashita

Tetsuya Kuno

Takashi Itow

Junko Makita

A regression analysis is carried out () using pixel signals having a K-th spectral characteristic as the explanatory variable and pixel signals having an L-th spectral characteristic as the purpose variable in a plurality of pixel positions in an area neighboring a pixel of interest to obtain a pixel signal having the L-th spectral characteristic (). Pixel signals obtained by low-pass filtering (-) of the output signals of an imaging device may be used as the explanatory variable and the purpose variable. The occurrence of false colors is thereby reduced when, in a group of pixel signals from pixels arrayed on a two-dimensional plane, each pixel having one of a plurality of spectral characteristics, the missing colors at each pixel position are obtained by interpolation.

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Tokyo, Japan

Shoutarou Moriya