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README.md | 1 year ago |
The naming format of each folder under this directory is Hyperparameter1_ Hyperparameter2_ Hyperparameter3, where Hyperparameter1, Hyperparameter2 and Hyperparameter3 represent three hyperparameters respectively, namely λ、 bottleneck_size and recon_points。
In each folder, the optimal model trained under the super parameter combination is stored (refer to the source code for other super parameters).
λ : λ is the hyperparameter to trade-off the rate R and LossCD (S1, S2), and is set as 10, 100, 500, 1000, 2000, 4000 to obtain different rate-distortion (R-D) points and train each model on the entire train dataset. The loss function is described as: L = λ · LossCD (S1, S2) + R
bottleneck_size: The bottleneck size of the encoder output is 256.
recon_points: The number of points in each reconstructed point cloud is 2048 or 2400.
For the Pytorch version code of the paper "POINT CLOUD GEOMETRY COMPRESSION VIA NEURAL GRAPH SAMPLING", test the performance of all categories on the shapenetcorev2 dataset.
Python
MIT
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