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Add verified text restoration

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Victor Kuznetsov
2026-08-15 12:25:35 -07:00
parent 8c00525946
commit 432b63b6d7
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@@ -398,6 +398,37 @@ schedule, CFG 1.0 and CUDA, so every one of those flags existed only to be refus
several layers down. They are not parsed at all now, which fails at the point the
user can act on rather than after a model load.
### Restore operator-verified text
`--text-manifest` enables the experimental `vae-glyphs` post-pass. It reconstructs
the source with the Qwen VAE, blends 15% of that reconstruction into the normal
`qwen-zimage` result, erases the annotated candidate glyphs with LaMa, and composites
only the reconstructed glyph cores through source-derived silhouettes. It does not
run OCR or choose which strings are correct.
Install the combined extra and run only with a manually reviewed manifest:
```bash
uv tool install --force "remove-ai-watermarks[text-restoration]"
remove-ai-watermarks invisible image.png -o clean.png \
--pipeline qwen-zimage --text-manifest verified-lines.json --force
```
The manifest is a JSON object with `schema_version: 1`, `verified: true`, decoded
RGB dimensions, `source_pixel_sha256`, and a non-empty `lines` array. Each line has
an integer `[x1, y1, x2, y2]` box, exact `text`, a non-empty `script`, and an optional
angle from -30 to 30 degrees. Lines must be in top-to-bottom, left-to-right order.
The hash binds the annotations to decoded RGB geometry and pixels, so metadata-only
container changes remain valid while a resized or edited source fails closed. The
experimental helper
`remove_ai_watermarks._internal.text_restoration.source_pixel_sha256` computes it.
This mode is supported only by `qwen-zimage` at native untiled geometry with
`humanize=0`, `unsharp=0`, and adaptive polish disabled. `all` also accepts the flag,
but its manifest must match the pixels entering the invisible stage; if visible-mark
removal changes those pixels, the hash check rejects the run. One oracle verdict does
not certify another manifest, seed, model/runtime version, or output hash.
### Work with limited memory
Lower CUDA memory pressure: