Some questions about the Low-Pass filter

Kaldwin0106 / DR2_Drgradation_Remover

DR2: Diffusion-based Robust Degradation Remover for Blind Face Restoration. CVPR 2023.

MIT License

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Some questions about the Low-Pass filter #5

Open silvester666 opened 3 months ago

silvester666 commented 3 months ago

Hello, I noticed that in the code implementation, the Low-Pass filter module is implemented using a downsampling algorithm. Could you please explain the reason for this implementation choice?