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Victor Kuznetsov
d90d5d886a
Add `--pipeline controlnet` (SDXL base + xinsir canny ControlNet via StableDiffusionXLControlNetImg2ImgPipeline): the canny edge map conditions the img2img regeneration so text and face STRUCTURE stay sharp, while the watermark is still removed by the regeneration (`strength`) -- no original pixels are copied or frozen, so SynthID does not survive. Oracle-verified clean on OpenAI with better text/structure fidelity than plain img2img at equal strength. `--controlnet-scale` tunes structure preservation; fp32 on mps/cpu (fp16-fixed VAE on cuda/xpu). Shares the img2img runner (live progress + MPS->CPU fallback) and the fp16-VAE-fix / device-move helpers with the default pipeline. Remove the superseded subsystems -- ctrlregen (SD1.5 clean-noise), text-protection (differential / region-hires) and face-protection: they either destroyed real content or shielded the watermark by re-using original pixels. controlnet replaces them by regenerating everything under edge conditioning. Canny preserves face structure but not identity; face IDENTITY is a separate face-restoration post-pass (CodeFormer/GFPGAN), researched + prototyped but not yet shipped. An IP-Adapter FaceID attempt was built and removed (footgun: needs high strength, corrupts faces at removal strength). Docs: docs/controlnet-removal-pipeline-research.md, scripts/controlnet_sweep.py. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>