AUTOMATIC WHITE BALANCE ADJUSTMENT SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide an automatic white balance adjustment system accurately adjusting white balance of video. SOLUTION: The automatic white balance adjustment system includes: a white balance information calculation part 16 for calculating adjustment gain of white balance adjustment using a pixel in color range information representing a predetermined range of a color-difference signal or luminance range information representing a predetermined range of a luminance signal based on the color range information or the luminance range information; a resistor changeover part 19 for changing at least one of the color range information or the luminance range information used for calculating the adjustment gain and in-frame region information representing a predetermined region in one frame used for calculating the adjustment gain when used for the calculation of the adjustment gain for each frame of a captured image in accordance with the white balance of the shot image; and a multiplier 12 for adjusting the white balance of the captured image using the adjustment gain calculated by the white balance information calculation part 16. COPYRIGHT: (C)2010,JPO&INPIT