4.5 Article

High-Accuracy Recognition and Localization of Moving Targets in an Indoor Environment Using Binocular Stereo Vision

出版社

MDPI
DOI: 10.3390/ijgi10040234

关键词

binocular stereo vision; moving target recognition; 3D coordinate; optical flow; stereo matching

资金

  1. National Natural Science Foundation of China (NSFC) [41971370]
  2. National Key R&D Program of China [2017YFE0-119600]

向作者/读者索取更多资源

The paper proposes a reliable and stable moving target localization method based on binocular stereo vision, which integrates various algorithms to achieve moving target recognition and extraction, improving the effectiveness, accuracy, and robustness of three-dimensional moving target coordinates.
To obtain effective indoor moving target localization, a reliable and stable moving target localization method based on binocular stereo vision is proposed in this paper. A moving target recognition extraction algorithm, which integrates displacement pyramid Horn-Schunck (HS) optical flow, Delaunay triangulation and Otsu threshold segmentation, is presented to separate a moving target from a complex background, called the Otsu Delaunay HS (O-DHS) method. Additionally, a stereo matching algorithm based on deep matching and stereo vision is presented to obtain dense stereo matching points pairs, called stereo deep matching (S-DM). The stereo matching point pairs of the moving target were extracted with the moving target area and stereo deep matching point pairs, then the three dimensional coordinates of the points in the moving target area were reconstructed according to the principle of binocular vision's parallel structure. Finally, the moving target was located by the centroid method. The experimental results showed that this method can better resist image noise and repeated texture, can effectively detect and separate moving targets, and can match stereo image points in repeated textured areas more accurately and stability. This method can effectively improve the effectiveness, accuracy and robustness of three-dimensional moving target coordinates.

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