8000 Questions on visualizing the avg. spectrum of CNN-generated images (Fig.7 of paper) · Issue #21 · PeterWang512/CNNDetection · GitHub
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Questions on visualizing the avg. spectrum of CNN-generated images (Fig.7 of paper) #21
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@cocoaaa15

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@cocoaaa15

Hi, thank you for sharing the repo.
I'm trying to replicate the spectra reported in Figure 7 by following the steps in Sec 4.6 (below), but am not seeing as vibrant patterns as in the Figure.

image
image

Could you share the code that you used to generate these spectra and share specific parameters you used?
- What is the fiter size of your median filter?
- What synthetic images (e.g. images in each model folder of the released CNN_synthe_testset) did you use?
- For conditional GANs (e.g., ProGAN, StyleGAN), did you take the average over all categories whose synthetic images are available? The reason for asking this question is that I got noticeably different patterns per category when I visualized the spectra of images per category (of, say, ProGAN). So I'm wondering whether the reported spectra of conditional GMs are computed per category (and if so, which category) or averaged over all categories available.
- How many images did you use to compute the average spectra?

Thanks again for your time!

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