Comments (11)
Hi,
- The normalization is defined on the CAD models; we normalize each CAD model such that they fit in the unit sphere and is zero centered. We then voxelize the CAD models to produce the data.
- The epoch number is just for max training epochs. We use the checkpoint at epoch 80 to produce the result in the paper.
Hope this helps.
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I trained the wgangp model using my own voxel data(128128128). At the same time, the wgangp model was trained using your released voxel data for comparison. Then I tested the naturalness work with voxel data rendered with ShapeNet objects(size: (1, 1, 128, 128, 128)). The naturalness loss offered by both discriminators is around 1500. And I found that the generator generated the voxel model that looks like triangle. Is this wgangp model correct?
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Could you clarify what you mean by "looks like triangle"?
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When the training of wgangp model is completed using the code and the voxel data you offered, the validation results for each epoch were saved in the output directory, including several obj files named gen_voxel.obj and txt files named disc.txt. The voxel in the obj file is a triangular patch.
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Can you send me a download link to the said .obj file?
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This is part of the results saved in the output directory. https://drive.google.com/open?id=1XpTPVSzbvOt4V2_Fz2S5Q2hXsSOSxnm0
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This means that your generated voxels are below the iso-surfaces threshold.
You probably want to check the range of your generated voxels.
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Thank you for your attention. I was recurring the results of your paper. The generated voxels above were based on your code and released data. The iso-surfaces threshold you set is 0.25. Do you mean the parameter is too small? What is the value you set in your paper? Hope your answer as I want to check the performance of the generator.
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would you mind sending us a generated voxel file? Or can you print out the max/min value of the generated voxels?
As WGANGP training is quite standard, I feel it would be quite weird if this is actually a training problem. I've trained several WGANGP baselines using this data and it usually gives reasonable results.
@xiumingzhang any chance we can release the generator as well?
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The min value of the generated voxel is infinitely close to 0, and the max value is infinitely close to 1.0.
The part of the results are below. The were reproduced using your code and data. https://drive.google.com/open?id=1XpTPVSzbvOt4V2_Fz2S5Q2hXsSOSxnm0. The 0000_13_gen_vox.obj is one of the generated voxel files.
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The .obj you attached looks like the isosurface was generated with a threshold lower than even the minimum of your voxels. To prevent the .obj file from being empty, we inserted this tiny triangle, which should be too small to see when the generated voxels are correctly visualized. In your case, the isosurface is not there, so you see that triangle.
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Related Issues (20)
- Can I read numpy data from the depth,normal and silhouette image? HOT 4
- How to obtain surface normal images from the raw depth data? HOT 1
- I want to use the wgangp which is in the shapehd HOT 2
- ground truth images that give rise to the demo latent inputs
- MarrNet w/o Reprojection Consistency Weights HOT 1
- how to get the intrinsic and extrinsic parameters when i use the GenRE HOT 3
- how can I make my own data set? HOT 1
- 128.npz voxel files are not TDF HOT 4
- Evaluation code HOT 2
- Failure when running test_genre.sh HOT 1
- Full Dataset? HOT 1
- Fail to compile. HOT 2
- Poor Genre results on demo images when compiled with Cuda10 HOT 6
- Generate distance field based on depth image by using render_spherical function HOT 2
- Different prediction results by using different data loader code for GenRe HOT 3
- Could you provide state_dicts for the discriminator of the pretrained models HOT 3
- how to
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