Patent ID: 8228407

Claim:
A solid-state image pickup device comprising: a pixel section in which an R pixel, a G pixel and a B pixel having photoelectric conversion elements provided with respective color filters of red (R), green (G) and blue (B) are arranged two-dimensionally in a matrix form, the pixel section outputting an R signal, a G signal and a B signal which are obtained by photoelectrically converting light incident on the R, G and B pixels; an adding section which determines a prescribed area with respect to a certain pixel set as a central pixel, and which adds the R, G and B signals from the central pixel and peripheral pixels arranged on the periphery of the central pixel in the prescribed area to produce an addition signal; a ratio calculating section which calculates an average value of each of the R, G and B signals, and a ratio coefficient of the average value of each of the R, G and B signals to a total value of the average values; and an RGB generating section which multiplies the addition signal by the ratio coefficients to generate a new R signal, a new G signal and a new B signal, respectively, which correspond to the central pixel and replace the R signal, G signal and the B signal which are obtained by photoelectrically converting light incident on the R, G and B pixels.