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liuziwei7 authored May 20, 2022
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# Dynamic Graph CNN for Learning on Point Clouds
We propose a new neural network module dubbed EdgeConv suitable for CNN-based high-level tasks on point clouds including classification and segmentation. EdgeConv is differentiable and can be plugged into existing architectures.

[[Project]](https://liuziwei7.github.io/projects/DGCNN) [[Paper]](https://arxiv.org/abs/1801.07829)
[[Project]](https://liuziwei7.github.io/projects/DGCNN) [[Paper]](https://arxiv.org/abs/1801.07829) [[Press]](http://news.mit.edu/2019/deep-learning-point-clouds-1021)

## Overview
`DGCNN` is the author's re-implementation of Dynamic Graph CNN, which achieves state-of-the-art performance on point-cloud-related high-level tasks including category classification, semantic segmentation and part segmentation.
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* [pytorch-geometric](https://pytorch-geometric.readthedocs.io/en/latest/modules/nn.html#torch_geometric.nn.conv.EdgeConv)
* [pytorch-dgcnn](https://github.com/AnTao97/dgcnn.pytorch) (This implementation on S3DIS achieves significant better results than our tensorflow implementation)

## Generalization under Corruptions

The performance is evaluated on [ModelNet-C](https://github.com/jiawei-ren/ModelNet-C) with mCE (lower is better) and clean OA (higher is better).

| Method | Reference | Standalone | mCE | Clean OA |
| --------------- | ---------------------------------------------------------- | :--------: | :---: | :------: |
| PointNet | [Qi et al.](https://arxiv.org/abs/1612.00593) | Yes | 1.422 | 0.907 |
| DGCNN | [Wang et al.](https://arxiv.org/abs/1801.07829) | Yes | 1.000 | 0.926 |


## Real-World Applications
* DGCNN has been successfully applied to [ParticalNet in Large Hadron Collider (LHC)](https://arxiv.org/abs/1902.08570).


## Citation
Please cite this paper if you want to use it in your work,
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