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feat(cli): add --no-protect-faces to invisible/all (skip the YOLO face detector)

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Mirrors --no-protect-text: when the image has no people, skip loading and
running the YOLO face detector entirely. The heavy extract+blend already only
ran when a face was found, but the detector itself always loaded+inferred to
decide; this flag lets callers skip that fixed cost.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Victor Kuznetsov
2026-05-31 15:27:14 -07:00
co-authored by Claude Opus 4.8
parent e42b7e9d6a
commit f16216cabc
3 changed files with 18 additions and 2 deletions
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README.md
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@@ -122,7 +122,7 @@ SDXL is the default since May 2026: empirically defeats SynthID v2 on Gemini 3 P
> **Oracle vs `identify` can disagree, and that is expected.** An online verifier reads the actual SynthID *pixel* watermark and detects only its own vendor's content — [openai.com/research/verify](https://openai.com/research/verify/) states "OpenAI generation signals will only be detected if the image was generated with our tools". Our `identify` cannot decode the pixel watermark (no vendor ships a local decoder), so it infers SynthID from the **C2PA metadata** instead. So after the SDXL pass the oracle can read "no SynthID" (pixel watermark gone) while `identify` still reports SynthID from a surviving C2PA manifest. They measure different signals. Run `metadata --remove` (or `all`) to also strip the manifest; note that a quiet metadata proxy is not proof the pixel watermark itself is gone.
**Face Protection**: before diffusion, YOLO detects people in the image and extracts them. After diffusion, the original faces are blended back with a soft elliptical mask to prevent AI distortion of facial features.
**Face Protection**: before diffusion, YOLO detects people in the image and extracts them. After diffusion, the original faces are blended back with a soft elliptical mask to prevent AI distortion of facial features. Pass `--no-protect-faces` to skip the detector entirely (useful when the image has no people).
**Analog Humanizer**: optional film grain and chromatic aberration injection that mimics a photo of a screen, raising the bar for AI-generated image classifiers. (It frustrates generic classifiers but does not guarantee forensic invisibility — see the [arXiv:2605.09203](https://arxiv.org/abs/2605.09203) note above.)