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Enhancing 3D Point Cloud Classification with ModelNet-R and Point-SkipNet

Created by
  • Haebom

Author

Mohammad Saeid, Amir Salarpour, Pedram Mohajer Ansari

Outline

This paper proposes a new dataset, ModelNet-R, for 3D point cloud classification and a lightweight graph-based neural network, Point-SkipNet. We refine ModelNet-R to address issues with the existing ModelNet40 dataset, including labeling inconsistency, 2D data mixing, size mismatch, and inappropriate class separation. Point-SkipNet achieves high classification accuracy while reducing computational costs by leveraging efficient sampling, neighbor grouping, and skip connections. Experimental results demonstrate that models trained on ModelNet-R significantly improve performance, and Point-SkipNet achieves state-of-the-art accuracy with significantly fewer parameters than existing models. This highlights the importance of dataset quality in 3D point cloud classification.

Takeaways, Limitations

Takeaways:
We provide an improved dataset, ModelNet-R, that overcomes the limitations of ModelNet40.
Proposing a Point-SkipNet model with high computational efficiency and excellent accuracy.
Highlighting the impact of dataset quality on 3D point cloud classification model performance.
Suggesting the possibility of improving 3D point cloud classification performance through improved datasets and models.
Limitations:
Further validation of the generalization performance of the ModelNet-R dataset is needed.
Performance evaluation of the Point-SkipNet model on other 3D point cloud datasets is needed.
Lack of performance analysis of the proposed method for specific types of 3D point clouds (e.g., noisy data, incomplete data, etc.)
Further research is needed on the scalability of the ModelNet-R dataset and the Point-SkipNet model.
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