Point Cloud Completion Based on Nonlocal Neural Networks with Adaptive Sampling
Na Xing,
Jun Wang,
Yuehai Wang
et al.
Abstract:Raw point clouds are usually sparse and incomplete, inevitably containing outliers or noise from 3D sensors. In this paper, an improved SA-Net based on an encoder-decoder structure is proposed to make it more robust in predicting complete point clouds. The encoder of the original SA-Net network is very sensitive to noise in the feature extraction process. Therefore, we use PointASNL as the encoder, which weights around the initial sampling points through the AS module (Adaptive Sampling Module) and adaptively … Show more
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