Ying Luo, Guanying Huo, Jinxin Xu, Qingwu Li. Non-Local Stereo Matching Algorithm Based on Edge Constraint Iteration[J]. Laser & Optoelectronics Progress, 2019, 56(15): 151501
- Laser & Optoelectronics Progress
- Vol. 56, Issue 15, 151501 (2019)
Fig. 1. Flow chart of proposed algorithm
Fig. 2. First cost aggregation based on minimum spanning tree. (a) Cost aggregation from bottom to up; (b) cost aggregation from up to bottom
Fig. 3. Constraint-based second cost aggregation. (a) Cost aggregation from bottom to up; (b) cost aggregation from up to bottom
Fig. 4. Comparison of disparity maps of two aggregation algorithms. (a) Reference images; (b) disparity maps obtained by original aggregation algorithm; (c) disparity maps obtained by proposed aggregation algorithm
Fig. 5. Experimental results corresponding to parameter Π setting. (a) Mismatching rate of images of group 1 under different parameters; (b) mismatching rate of images of group 2 under different parameters
Fig. 6. Experimental results of Middlebury test dataset (rich texture region). (a) Left of images to be tested; (b) real disparity maps; (c) disparity maps obtained by proposed algorithm
Fig. 7. Experimental results of Middlebury test dataset (low-texture region). (a)Reference images; (b) real disparity maps; (c) disparity maps obtained by proposed algorithm
Fig. 8. Disparity maps obtained by six algorithms. (a) MST; (b) ST-2; (c) CSMST; (d) WCPSP; (e) MST-CD2; (f) proposed algorithm
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Table 1. Mismatching rates of six methods in 31 groups of images
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