8 March 2018 RPBS: Rotational Projected Binary Structure for point cloud representation
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Proceedings Volume 10609, MIPPR 2017: Pattern Recognition and Computer Vision; 1060913 (2018) https://doi.org/10.1117/12.2285459
Event: Tenth International Symposium on Multispectral Image Processing and Pattern Recognition (MIPPR2017), 2017, Xiangyang, China
Abstract
In this paper, we proposed a novel three-dimension local surface descriptor named RPBS for point cloud representation. First, points cropped form the query point within a predefined radius is regard as a local surface patch. Then pose normalization is done to the local surface to equip our descriptor with the invariance to rotation transformation. To obtain more information about the cropped surface, multi-view representation is formed by successively rotating it along the coordinate axis. Further, orthogonal projections to the three coordinate plane are adopted to construct two-dimension distribution matrixes, and binarization is applied to each matrix by following the rule that whether the grid is occupied, if yes, set the grid one, otherwise zero. We calculate the binary maps from all the viewpoints and concatenate them together as the final descriptor. Comparative experiments for evaluating our proposed descriptor is conducted on the standard dataset named Bologna with several state-of-the-art 3D descriptors, and results show that our descriptor achieves the best performance on feature matching experiments.
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Bin Fang, Bin Fang, Zhiwei Zhou, Zhiwei Zhou, Tao Ma, Tao Ma, Fangyu Hu, Fangyu Hu, Siwen Quan, Siwen Quan, Jie Ma, Jie Ma, } "RPBS: Rotational Projected Binary Structure for point cloud representation", Proc. SPIE 10609, MIPPR 2017: Pattern Recognition and Computer Vision, 1060913 (8 March 2018); doi: 10.1117/12.2285459; https://doi.org/10.1117/12.2285459
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