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harveyslash avatar harveyslash commented on July 23, 2024

also,
in the distance calculation in patch_match , there seems to be an element wise multiplication instead of euclidian distance calculation.

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rozentill avatar rozentill commented on July 23, 2024

@harveyslash
Hi, thanks for your interest on our project.

  1. The step function with a threshold 0.05 is the fast approximation to the sigmoid function mentioned in our paper. It is just used for acceleration purpose.

  2. The negative cosine similarity of normalized vectors is equivalent to the euclidean distance.

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harveyslash avatar harveyslash commented on July 23, 2024

Thank you for your reply

I am maintaining the Python version of your paper , https://github.com/harveyslash/Deep-Image-Analogy-PyTorch
I even wrote a pycuda implementation of patchmatch for acceleration.
However, the quality is substantially poorer than yours.

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rozentill avatar rozentill commented on July 23, 2024

Thanks for your effort on reproduction to python. I will take a look to see if I can help you.

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harveyslash avatar harveyslash commented on July 23, 2024

If you would like, i can set up my server for you so that you can run everything in jupyter without having to set up anything. Let me know if thats suitable for you.

from deep-image-analogy.

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