jedarden
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1baa010615
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docs(pdftract-4c131): add verification note for char_density_ratio signal evaluator
The char_density_ratio signal evaluator is already fully implemented
in crates/pdftract-core/src/classify.rs (lines 288-310) with:
- Correct logic: density = valid_char_count / page_area_pt2
- Threshold: 0.03 chars/pt²
- Strength: 0.65 (weak fallback signal)
- Comprehensive test coverage (9 tests, lines 1713-1915)
- Proper integration into PageClassifier (line 351)
All acceptance criteria verified PASS.
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2026-05-31 23:34:35 -04:00 |
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