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pytorch implementation for "PointNet: Deep Learning on Point Sets for 3D Classification and Segmentation" https://arxiv.org/abs/1612.00593

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Hello and congrats for this nice repo! I was looking in the implementation of the regularization loss and I don't know if it matches the original paper. In the [feature_transform_regularizer](https://github.com/fxia22/pointnet.pytorch/blob/master/pointnet/model.py#L177C1-L177C42):...

I was able to train the network for part segmentation using your script. But I was stuck on knowing how to visualize the results for test on instance segmentation. Could...

According to the [https://arxiv.org/abs/1612.00593](https://arxiv.org/abs/1612.00593) paper, the T-Net is initialized as identity matrix. I fail to understand how this is the case when looking into the [STNkd code](https://github.com/fxia22/pointnet.pytorch/blob/master/pointnet/model.py#L80). If I understand...

Hi I am getting this error every time I am running the training script `FileNotFoundError: [Errno 2] No such file or directory: '/workspace/pointnet.pytorch/shapenetcore_partanno_segmentation_benchmark_v0/trainval.txt'` In the folder there is no such...

https://shapenet.cs.stanford.edu/ericyi/shapenetcore_partanno_segmentation_benchmark_v0.zip Resolving host shapenet.cs.stanford.edu (shapenet.cs.stanford.edu)... 171.67.77.19 Are connected (shapenet.cs.stanford.edu shapenet.cs.stanford.edu | 171.67.77.19 | : 443... Connected. Warning: Certificates issued by "CN=HTTPS-Self-Signed-Certificate-e5a345ad71706e4d" in shapenet.cs.stanford.edu cannot be verified: A self-signed certificate appears....

Hello, can we use the train_segmentation.py to complete semantic segmentation?

PS E:\gitstore\pointnet.pytorch-master\utils> python show_seg.py --model seg/seg_model_Chair_4.pth --dataset=E:\gitstore\pointnet.pytorch-master\shapenetcore_partanno_segmentation_benchmark_v0 --class_choice Earphone --idx 1 Traceback (most recent call last): File "E:\gitstore\pointnet.pytorch-master\utils\show_seg.py", line 2, in from show3d_balls import showpoints File "E:\gitstore\pointnet.pytorch-master\utils\show3d_balls.py", line 23, in...

For some reason when I train using batch size of 32 the accuracy is below 0.5 and visualizing prediction leds to all points predicted with same class. Increasing to 64...

Hi, @fxia22 When i try training this repo, i found here only can use .ply format, so i add a python file "convert.py" in ModelNet40 folder (use after unzip ModelNet40...