A powerful blind watermark plugin for ComfyUI that allows you to embed and extract invisible watermarks in images using frequency domain techniques (DWT-DCT-SVD).
https://github.com/TianDongL/Blind_watermark_Comfyui
git clone https://github.com/TianDongL/Blind_watermark_Comfyui
comfy node install Blind_watermark_Comfyui