De-Occlusion Stereo Matching Algorithm Based on Regional Prior Information

Xianfeng Chen; Zhenghua Guo; Junlong Wu; Shuai Ma; Ping Yang; Bing Xu

doi:10.3788/LOP56.191001

Laser & Optoelectronics Progress, Volume. 56, Issue 19, 191001(2019)

De-Occlusion Stereo Matching Algorithm Based on Regional Prior Information

Xianfeng Chen^1,2,3, Zhenghua Guo^1,2,3, Junlong Wu^1,2,3, Shuai Ma^1,2,3, Ping Yang^1,2, and Bing Xu^1,2、*

¹Key Laboratory on Adaptive Optics, Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, Sichuan 610209, China

²Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, Sichuan 610209, China

³University of Chinese Academy of Sciences, Beijing 100049, China

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Figures & Tables(7)

Fig. 1. Cost calculation

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Fig. 2. Disparity refinement diagrams. (a) Left-right consistency check; (b) regional consistency check

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Fig. 3. Occlusion distance interpretation diagrams. (a) Reference image; (b) target image

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Fig. 4. Simulation results. (a) Left images; (b) ground truths; (c) residual figures of NCC; (d) residual figures of proposed algorithm

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Table 1. Mismatching rates of left and right figures with large occlusion%
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Table 1. Mismatching rates of left and right figures with large occlusion%
Item NCC Proposed method
Wood1 7.73 4.59
Baby1 6.08 4.07
Baby2 9.32 7.98
Lampshade1 20.00 16.23
Lampshade2 20.99 17.39
Monopoly 30.11 28.21

Table 2. Mismatching rates of left and right figures with less occlusion%
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Table 2. Mismatching rates of left and right figures with less occlusion%
Item NCC Proposed method
Aloe 12.14 11.12
Bowling1 16.72 15.39
Cloth1 3.17 2.83
Cloth2 9.62 8.66
Rocks1 10.48 10.26
Wood2 9.33 9.12

Table 3. Mismatching rates of original algorithm and proposed algorithm%

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Table 3. Mismatching rates of original algorithm and proposed algorithm%

Item	NCC	NCC combined withproposed method	SAD	SAD combined withproposed method	SSD	SSD combined withproposed method
Wood1	7.73	4.59	17.80	13.78	15.84	12.28
Baby1	6.08	4.07	18.33	15.18	13.64	11.33
Baby2	9.32	7.98	23.96	21.08	21.92	19.70
Lampshade1	20.00	16.23	43.23	39.45	39.71	35.60
Lampshade2	20.99	17.39	58.58	57.85	53.80	52.76
Monopoly	30.11	28.21	53.18	50.12	50.37	47.38

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Xianfeng Chen, Zhenghua Guo, Junlong Wu, Shuai Ma, Ping Yang, Bing Xu. De-Occlusion Stereo Matching Algorithm Based on Regional Prior Information[J]. Laser & Optoelectronics Progress, 2019, 56(19): 191001

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