Comments (3)
As mentioned in the paper, we used the rendered 2D images only during the pre-training stage. All the downstream tasks are performed on the pre-trained point cloud feature extractor.
During pre-training, we used ShapeNet data and the corresponding 2D images are obtained from [1] as mentioned in the paper. Can you let me know which part of the notebook is incomprehensible ? We used the same notebook to produce the reported results in the paper.
[1] Qiangeng Xu, Weiyue Wang, Duygu Ceylan, Radomir Mech, and Ulrich Neumann. DISN: Deep implicit surface network for high-quality single-view 3D reconstruction. In Advances in Neural Information Processing Systems, volume 32, 2019
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I tried to open the eval_ssl.ipynb file inside jupyter with no problem. Also, please tell me which version you used when you did the ScanObjectNN experiment, and the partition should be ‘trainning’, right?
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Sorry for the delay in response.
We use the standard same version of ScanObjectNN as the previous works used. Kindly refer to [1] for more details. The partition should 'training' to fit the linear classifier and evaluated in the 'testing' partition.
[1] Hanchen Wang, Qi Liu, Xiangyu Yue, Joan Lasenby, and Matthew J. Kusner. Unsupervised point cloud pre-training via occlusion completion. In International Conference on Computer Vision, ICCV, 2021
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Related Issues (20)
- How did you use the t-sne visualization feature and can you provide the source code? HOT 1
- distributed training for CrossPoint HOT 4
- relatively large performance gap on ScanObjectNN HOT 4
- It seems that the pretrain model you provide has gap on modelnet40 HOT 3
- what variant do we use in few-shot learning on ScanObjectNN? HOT 2
- Definition of the dgcnn_seg model
- About the pointcloud visualization software in Fig.2 HOT 1
- Availability of checkpoint
- What's the specific environment of this code?
- the definition of loss function HOT 5
- RuntimeError: CUDA error: invalid device ordinal
- The distributed implementation of CrossPoint is available here ! HOT 1
- null
- CrossPoint pretrained models with pointnet feature extractor HOT 1
- Downstream tasks 3D Object classification HOT 3
- Can train_crosspoint.py train the partseg model based on ShapeNetPart? HOT 2
- What's the GPU device used during your training and finetuing? HOT 1
- About PointNetRendering Dataset
- Can't download the dataset using gdown HOT 2
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