wangjia184/diffusion_model

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Diffusion model in web browser Demo Site 哔哩哔哩 | 大白话AI | 扩散模型 (Chinese) Video Explaination(Chinese) 1. DDPM Introduction $q$ - a fixed (or predefined) forward diffusion process of adding Gaussian noise to an image gradually, until ending up with pure noise $p_θ$ - a learned reverse denoising diffusion process, where a neural network is trained to gradually denoise an image starting from pure noise, until ending up with an actual image. Both the forward and reverse process indexed by $t$ happen for...