Research on video anti-blooming

Two channels video signal of the same scenery can be obtained by two CCD synchronous video cameras whose integration times are different: one is longer than another. The CCD video camera with short integration time is used for obtaining bright image information while the one with long integration time is used for obtaining gray image information. The image processing method is to adopt DSP combining the subsection linear weight. Then all the processed image information will be input into a video encoder and come to one channel video image with wild dynamic range. The effect of this way is equate to the dynamic range of CCD image sensor was expanded from 80dB to 106dB and finally come to the purpose of video antiblooming.