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Voxel-MAE: Masked Autoencoders for Self-supervised Pre-training Large-scale Point Clouds. (arXiv:2206.09900v5 [cs.CV] UPDATED)
Nov. 24, 2022, 7:17 a.m. | Chen Min, Xinli Xu, Dawei Zhao, Liang Xiao, Yiming Nie, Bin Dai
cs.CV updates on arXiv.org arxiv.org
Current perception models in autonomous driving greatly rely on large-scale
labeled 3D data. However, it is expensive and time-consuming to annotate 3D
data. In this work, we aim at facilitating research on self-supervised learning
from the vast unlabeled 3D data in autonomous driving. We introduce a masked
autoencoding framework for pre-training large-scale point clouds, dubbed
Voxel-MAE. We take advantage of the geometric characteristics of large-scale
point clouds, and propose the range-aware random masking strategy and binary
voxel classification task. Specifically, …
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