Stereo matching via selective multiple windows

Satyajit Adhyapak; Nasser Kehtarnavaz; Mihai Nadin

doi:10.1117/1.2711817

Abstract

Window-based correlation algorithms are widely used for stereo matching due to their computational efficiency as compared to global algorithms. In this paper, a multiple window correlation algorithm for stereo matching is presented which addresses the problems associated with a fixed window size. The developed algorithm differs from the previous multiple window algorithms by introducing a reliability test to select the most reliable window among multiple windows of increasing sizes. This ensures that at least one window is large enough to cover a region of adequate intensity variations while at the same time small enough to cover a constant depth region. A recursive computation procedure is also used to allow a computationally efficient implementation of the algorithm. The outcome obtained from a standard set of images with known disparity maps shows that the generated disparity maps are more accurate as compared to two popular stereo matching local algorithms.

Citation Download Citation

Satyajit Adhyapak, Nasser Kehtarnavaz, Mihai Nadin, "Stereo matching via selective multiple windows," Journal of Electronic Imaging 16(1), 013012 (1 January 2007). https://doi.org/10.1117/1.2711817

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