pro_gan_pytorch | Unofficial PyTorch implementation of the paper | Machine Learning library
kandi X-RAY | pro_gan_pytorch Summary
kandi X-RAY | pro_gan_pytorch Summary
Unofficial PyTorch implementation of Paper titled "Progressive growing of GANs for improved Quality, Stability, and Variation". For the official TensorFlow code, please refer to this repo.
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QUESTION
I trained a ProGAN agent using this PyTorch reimplementation, and I saved the agent as a .pth
. Now I need to convert the agent into the .onnx
format, which I am doing using this scipt:
ANSWER
Answered 2020-Mar-25 at 12:38Files you have there are state_dict
, which are simply mappings of layer name to tensor
weights biases and a-like (see here for more thorough introduction).
What that means is that you need a model so those saved weights and biases can be mapped upon, but first things first:
1. Model preparationClone the repository where model definitions are located and open file /pro_gan_pytorch/pro_gan_pytorch/PRO_GAN.py
. We need some modifications in order for it to work with onnx
. onnx
exporter requires input
to be passed as torch.tensor
only (or list
/dict
of those), while Generator
class needs int
and float
arguments).
Simple solution it to slightly modify forward
function (line 80
in the file, you can verify it on GitHub) to the following:
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Install pro_gan_pytorch
You can use pro_gan_pytorch like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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