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A self-attention based global feature enhancing network for semantic segmentation of large-scale urban street-level point clouds.
Qi Chen
Zhenxin Zhang
Siyun Chen
Siyuan Wen
Hao Ma
Zhihua Xu
Published in:
Int. J. Appl. Earth Obs. Geoinformation (2022)
Keyphrases
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point cloud
semantic segmentation
structure from motion
superpixels
point sets
conditional random fields
object categories
pixel level
image sequences
similarity measure
active learning
data points
long range