⚠️ Warning: LDSR is slow but delivers crisp 4x upscales with generative detail.
After installing the extension, the model auto-downloads on first use. ldsr upscaler download
🔧 huchenlei/stable-diffusion-webui-ldsr 📦 Model (2GB): Heidelberg University Box (link in GitHub README) ⚠️ Warning: LDSR is slow but delivers crisp