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Enable measured provenance relaxation for the Microsoft badge

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The OCR badge census split the 343 Microsoft-C2PA uploads into 86 badge
carriers and 257 true badge-less files (the watermark is a per-user opt-in).
Badge-less scores max 0.251 / p99 0.213, so the 0.266 relaxed gate admits the
three faint badges in [0.251, 0.38) with zero measured false fills; re-verified
on the provenance path as 3 band detections and 0/257 badge-less fires.
This commit is contained in:
Victor Kuznetsov
2026-08-28 10:06:13 -07:00
parent 08a4a8d299
commit 23696f42a8
3 changed files with 21 additions and 10 deletions
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docs/module-internals.md
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@@ -823,8 +823,12 @@ and 1200 non-overlapping no-signal controls. At the strict 0.38 gate, 15/17
confirmed carriers fired (min 0.249, p50 0.519, p90 0.578, max 0.579), while
0/1200 controls fired (p99 0.200, max 0.293). The provenance cohort produced
78/343 fires, but that is not a recall measurement because provenance identifies
the provider, not the presence of this visible layout. No provenance relaxation
ships until that cohort is visually labeled.
the provider, not the presence of this visible layout. That cohort was later
labeled by an OCR badge census (2026-08-28: 86 badge carriers, 257 badge-less,
badge-less max 0.251 / p99 0.213), which is what enabled the shipped provenance
relaxation 0.7: the relaxed band [0.251, 0.38) holds three faint badges and
zero false fills, re-verified as 3 band detections with 0/257 badge-less fires
on the provenance path.
The detector and removal mask must use compatible geometry. A detector that
fires while producing an empty or misplaced mask is a removal failure even if