29 October 2018 Geodesic distance framework for contour-based consistent stereo image segmentation
Xujie Li, Hui Huang, Yandan Wang, Mingxiao Hu
Author Affiliations +
Abstract
This study concentrates on consistent object contour extraction method for stereo image segmentation after the object regions in the left image have been obtained. By taking advantage of the epipolar geometry, our approach introduces an energy optimization framework that incorporates both the stereo correspondence term and patch-based object contour probability term. The contour map is generated by integrating the terms of stereo correspondence and patch-based object contour probability; then, the optimal contours are obtained using geodesic distance technology. The core of the proposed method is to build upon an energy optimization framework with two key contributions: first, it incorporates the patch-based object contour probability term that introduces two search strategies to efficiently find the joint nearest neighbor patch pairs for the stereo image pair. The patch-based object contour probability term provides consistent and reliable priors for the contour extraction. Second, previous methods encounter missing pixels in the extracted contour in the occluded regions. Our approach overcomes this limit by introducing the geodesic distance technology to search the optimal contours. Experimental evaluation on Middlebury dataset and Adobe open dataset indicates that the results of our stereo image segmentation are comparable with or of higher quality than state-of-the-art methods.
© 2018 SPIE and IS&T 1017-9909/2018/$25.00 © 2018 SPIE and IS&T
Xujie Li, Hui Huang, Yandan Wang, and Mingxiao Hu "Geodesic distance framework for contour-based consistent stereo image segmentation," Journal of Electronic Imaging 27(5), 053047 (29 October 2018). https://doi.org/10.1117/1.JEI.27.5.053047
Received: 13 June 2018; Accepted: 11 October 2018; Published: 29 October 2018
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KEYWORDS
Image segmentation

Image processing algorithms and systems

Image quality

Video

Image processing

3D displays

Feature extraction

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