Implementation of the Chamfer Distance as a module for pyTorch

Related tags

Deep Learning module pytorch chamfer-distance chamfer-loss
Overview

Chamfer Distance for pyTorch

This is an implementation of the Chamfer Distance as a module for pyTorch. It is written as a custom C++/CUDA extension.

As it is using pyTorch's JIT compilation, there are no additional prerequisite steps that have to be taken. Simply import the module as shown below; CUDA and C++ code will be compiled on the first run.

Usage

from chamfer_distance import ChamferDistance
chamfer_dist = ChamferDistance()

#...
# points and points_reconstructed are n_points x 3 matrices

dist1, dist2 = chamfer_dist(points, points_reconstructed)
loss = (torch.mean(dist1)) + (torch.mean(dist2))


#...

Integration

This code has been integrated into the Kaolin library for 3D Deep Learning by NVIDIAGameWorks. You should probably take a look at it if you are working on anything 3D :)

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