Hardware friendly adaptive support-weight approach for stereo matching

Zuoxun Hou; Pei Han; Hongwei Zhang; Ran An

doi:10.1117/12.2244131

25 October 2016 Hardware friendly adaptive support-weight approach for stereo matching

Zuoxun Hou, Pei Han, Hongwei Zhang, Ran An

Proceedings Volume 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control; 1015709 (2016) https://doi.org/10.1117/12.2244131
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China

Abstract

In this paper, the hardware friendly adaptive support-weight approach is proposed to simplify the weight calculation process of the standard approach, which employs the support region to simplify the calculation of the similarity and uses the fixed distance dependent weight to present the proximity. In addition, the complete stereo matching algorithm and the hardware structure for FPGA implementation compatible with the approach is proposed. The experimental results show that the algorithm produces the disparity map accurately in different illumination conditions and different scenes, and its processing average bad pixel rate is only 6.65% for the standard test images of the Middlebury database, which is approximate to the performance of the standard adaptive support-weight approach. The proposed hardware structure provides a basis for design and implementation of real-time accurate stereo matching FPGA system.

Citation Download Citation

Zuoxun Hou, Pei Han, Hongwei Zhang, and Ran An "Hardware friendly adaptive support-weight approach for stereo matching", Proc. SPIE 10157, Infrared Technology and Applications, and Robot Sensing and Advanced Control, 1015709 (25 October 2016); https://doi.org/10.1117/12.2244131

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