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Neighborhood Spatial Aggregation MC Dropout for Efficient Uncertainty-aware Semantic Segmentation in Point Clouds. (arXiv:2201.07676v1 [cs.CV])
Jan. 20, 2022, 2:10 a.m. | Chao Qi, Jianqin Yin
cs.CV updates on arXiv.org arxiv.org
Uncertainty-aware semantic segmentation of the point clouds includes the
predictive uncertainty estimation and the uncertainty-guided model
optimization. One key challenge in the task is the efficiency of point-wise
predictive distribution establishment. The widely-used MC dropout establishes
the distribution by computing the standard deviation of samples using multiple
stochastic forward propagations, which is time-consuming for tasks based on
point clouds containing massive points. Hence, a framework embedded with NSA-MC
dropout, a variant of MC dropout, is proposed to establish distributions in …
More from arxiv.org / cs.CV updates on arXiv.org
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