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KeJun Ou

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Proceedings Article | 8 March 2018 Paper

Stereo matching algorithm based on double components model

Xiao Zhou, Kejun Ou, Jianxin Zhao, Xingang Mou

Proceedings Volume 10609, 1060911 (2018) https://doi.org/10.1117/12.2285260

KEYWORDS: Unmanned aerial vehicles, Visual process modeling, Machine vision, Computer vision technology, Signal to noise ratio, Image filtering, Image fusion

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The tiny wires are the great threat to the safety of the UAV flight. Because they have only several pixels isolated far from the background, while most of the existing stereo matching methods require a certain area of the support region to improve the robustness, or assume the depth dependence of the neighboring pixels to meet requirement of global or semi global optimization method. So there will be some false alarms even failures when images contains tiny wires. A new stereo matching algorithm is approved in the paper based on double components model. According to different texture types the input image is decomposed into two independent component images. One contains only sparse wire texture image and another contains all remaining parts. Different matching schemes are adopted for each component image pairs. Experiment proved that the algorithm can effectively calculate the depth image of complex scene of patrol UAV, which can detect tiny wires besides the large size objects. Compared with the current mainstream method it has obvious advantages.

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