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http://dx.doi.org/10.9717/kmms.2019.22.12.1356

Precise Stereo Matching Technique Based on White Auxiliary Stripe  

Kang, Han-Sol (Dept. of Mechatronics Engineering, Chungnam National University)
Ko, Yun-Ho (Dept. of Mechatronics Engineering, Chungnam National University)
Publication Information
Journal of Korea Multimedia Society / v.22, no.12, 2019 , pp. 1356-1367 More about this Journal
Abstract
This paper proposes a novel active stereo matching technique using white auxiliary stripe pattern. The conventional active stereo matching techniques that uses two cameras and an active source such as projector can accurately estimate disparity information even in the areas with low texture compared to the passive ones. However, it is difficult that the conventional active stereo matching techniques using color code patterns acquire these patterns robustly if the object is composed of various colors or is exposed to complex lighting condition. To overcome this problem, the proposed method uses an additional white auxiliary stripe pattern to get and localize the color code patterns robustly. This paper proposes a process based on adaptive thresholding and thinning to obtain the auxiliary pattern accurately. Experimental results show that the proposed method more precisely measures the stepped sample whose depth is known in advance than the conventional method.
Keywords
Structured Light; Active Stereo Vision; Stereo Matching; Depth Estimation;
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Times Cited By KSCI : 2  (Citation Analysis)
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