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STEREO VISION SYSTEM AND CONTROL METHOD THEREOF

  • US 20100066811A1
  • Filed: 01/29/2009
  • Published: 03/18/2010
  • Est. Priority Date: 08/11/2008
  • Status: Active Grant
First Claim
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1. A stereo vision system comprising left and right stereo cameras, the stereo vision system comprising:

  • an image information extracting unit receiving left and right images of the left and right stereo cameras to extract color information for a brightness control of the images from the received images;

    an image preprocessing unit performing a process for reducing noises of the left and right images using the color information and a prestored calibration parameter;

    a stereo matching unit performing stereo matching of the left and right images processed by the image preprocessing unit through an algorithm to obtain a depth map; and

    a matching result measuring unit receiving the depth map obtained by the stereo matching unit to measure a matching degree, and changing the prestored calibration parameter according to a result of the measurement.

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