Volume 33 Issue 05
May  2007
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Li Haichao, Zhang Guangjun. Fast stereo edge-matching algorithm based on corner-guidance[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(05): 557-560. (in Chinese)
Citation: Li Haichao, Zhang Guangjun. Fast stereo edge-matching algorithm based on corner-guidance[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(05): 557-560. (in Chinese)

Fast stereo edge-matching algorithm based on corner-guidance

  • Received Date: 15 Sep 2006
  • Publish Date: 31 May 2007
  • A new fast and robust edge-matching algorithm guided by matched corners was presented. In the whole matching process, the corner constraint and the edge constraint were proposed to guarantee the matching speed. First, the matched corners were used to guide the edge matching. How to use the previous matched corners to guide the edge matching was shown. Furthermore, region-growing idea was introduced to get matched edges quickly. Second, the edge constraint was proposed to limit the search area in several pixels, then epipolar constraint was used to achieved matched points, if necessary the cross correlation was also utilized. Numerous experimental results with various images clearly demonstrate that the benefit of integrating matched corners into the edge matching procedures is obvious, and with the two new constraints this method seriously improves the speed and the correct matching ratio is higher than 97%.

     

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