An electronic endoscope system includes a video scope having a solid-state image sensor for successively producing a frame of color image-pixel signals, and an image-signal processor for producing a color video signal based on the frame of color image-pixel signals. A calculation system calculates a...http://www.google.com/patents/US6967673?utm_source=gb-gplus-sharePatent US6967673 - Electronic endoscope system with color-balance alteration process
