GAPNet: Graph Attention based Point Neural Network for Exploiting Local Feature of Point Cloud
@article{Chen2019GAPNetGA, title={GAPNet: Graph Attention based Point Neural Network for Exploiting Local Feature of Point Cloud}, author={C. Chen and L. Z. Fragonara and A. Tsourdos}, journal={ArXiv}, year={2019}, volume={abs/1905.08705} }
Exploiting fine-grained semantic features on point cloud is still challenging due to its irregular and sparse structure in a non-Euclidean space. [...] Key Method Firstly, we introduce a GAPLayer to learn attention features for each point by highlighting different attention weights on neighborhood. Secondly, in order to exploit sufficient features, a multi-head mechanism is employed to allow GAPLayer to aggregate different features from independent heads.Expand Abstract
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