ComfyUI 像素画缩放器——经典放大算法（Scale2x、HQ2x、xBR、Eagle、2xSaI）的纯 Python 实现。
https://github.com/jasonjgardner/comfyui-pixel-art-scalers
git clone https://github.com/jasonjgardner/comfyui-pixel-art-scalers
comfy node install pixel-art-scalers