Hierarchical semantic segmentation of urban scene point clouds via group proposal and graph attention network
Although many notable improvements have been devoted to the semantic segmentation of laser scanning (LS) data, the extreme complexity of scanned scenes poses significant challenges in achieving the effective distribution of a category label per point. This study investigates the semantic segmentatio...
Main Authors: | Tengping Jiang, Jian Sun, Shan Liu, Xu Zhang, Qi Wu, Yongjun Wang |
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Format: | Article |
Language: | English |
Published: |
Elsevier
2021-12-01
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Series: | International Journal of Applied Earth Observations and Geoinformation |
Subjects: | |
Online Access: | http://www.sciencedirect.com/science/article/pii/S0303243421003330 |
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