Robust stereo matching based on probabilistic Laplacian propagation with weighted mutual information

Junhyung Kim; Seungchul Ryu; Seungryong Kim; Kwanghoon Sohn

doi:10.1117/12.2077538

17 March 2015 Robust stereo matching based on probabilistic Laplacian propagation with weighted mutual information

Junhyung Kim, Seungchul Ryu, Seungryong Kim, Kwanghoon Sohn

Author Affiliations +

Proceedings Volume 9393, Three-Dimensional Image Processing, Measurement (3DIPM), and Applications 2015; 93930I (2015) https://doi.org/10.1117/12.2077538
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States

Abstract

Conventional stereo matching methods provide the unsatisfactory results for stereo pairs under uncontrolled environments such as illumination distortions and camera device changes. A majority of efforts to address this problem has devoted to develop robust cost function. However, the stereo matching results by cost function cannot be liberated from a false correspondence when radiometric distortions exist. This paper presents a robust stereo matching approach based on probabilistic Laplacian propagation. In the proposed method, reliable ground control points are selected using weighted mutual information and reliability check. The ground control points are then propagated with probabilistic Laplacian. Since only reliable matching is propagated with the reliability of GCP, the proposed approach is robust to a false initial matching. Experimental results demonstrate the effectiveness of the proposed method in stereo matching for image pairs taken under illumination and exposure distortions.

Citation Download Citation

Junhyung Kim, Seungchul Ryu, Seungryong Kim, and Kwanghoon Sohn "Robust stereo matching based on probabilistic Laplacian propagation with weighted mutual information", Proc. SPIE 9393, Three-Dimensional Image Processing, Measurement (3DIPM), and Applications 2015, 93930I (17 March 2015); https://doi.org/10.1117/12.2077538

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KEYWORDS

Reliability

Radio propagation

Cameras

3D image processing

Data modeling

Digital imaging

Electronics engineering

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