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Align watermark content with detector coverage

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Victor Kuznetsov
2026-08-27 20:05:03 -07:00
parent 17408b958e
commit a8d4bce14a
61 changed files with 933 additions and 198 deletions
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docs/known-limitations.md
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@@ -31,11 +31,14 @@ an unsupported locale, a different position, or a crop may be missed.
Known examples:
- The Microsoft detector covers one calibrated top-right white pill. Microsoft's
[documented feature](https://support.microsoft.com/en-us/topic/include-a-watermark-when-content-from-microsoft-365-is-ai-generated-b00a656e-ae61-4692-8086-67d004421030)
can instead use a Copilot icon, `AI-Generated` text, or another position.
- Samsung detection is calibrated for the Italian
`Contenuti generati dall'AI` text variant.
- The Jimeng top-left pill has a weak visual detector and is intentionally
subject to additional product and background checks.
- Kling support covers the calibrated variants rather than every Kling label.
- Kling AI support covers the calibrated variants rather than every Kling AI label.
Use `erase --region` when you can see and select an unsupported or missed mark.
@@ -310,11 +313,11 @@ supported AI provenance metadata without transcoding streams.
`video visible` and `remove_video_visible` additionally support the moving
Sora 2 mascot and wordmark, the current Veo four-point diamond, the legacy
`Veo` text, the Seedance boxed `AI` label, the fixed `Dola AI` text, the Hailuo
MINIMAX/Hailuo composite label, and the bottom-right Kling label with its
`Veo` text, the Seedance boxed `AI` label, the fixed `Dola AI` text, the Hailuo AI
MINIMAX/Hailuo AI composite label, and the bottom-right Kling AI label with its
version suffix. Detection requires a recurring visual candidate across
adjacent frames. Fixed-mark candidates must remain anchored rather than
drifting with a scene object. Kling also requires a bright low-saturation
drifting with a scene object. Kling AI also requires a bright low-saturation
candidate near the expected frame edge. Provider provenance can recover
low-contrast runs only after visual evidence exists for the marks that define a
provenance prior, so metadata alone does not erase a clean API export.
@@ -325,7 +328,7 @@ policies and selects the first stable result in specificity order. Use an
explicit mark when the provider is already known.
Historical Sora Turbo exports use a small OpenAI swirl in the corner rather
than the moving mascot-and-wordmark design; that earlier variant is not
detected by the `sora` video mark. Hailuo and Kling coverage is specific to the
detected by the `sora` video mark. Hailuo AI and Kling AI coverage is specific to the
verified lower-edge layouts; a new provider layout needs a separate calibrated
silhouette. Other provider video labels are not supported yet. Google video
SynthID has an oracle-certified VAE removal path, while other proprietary