Files
anonymisation/regression_tests/baseline/CRO 23203642.audit.jsonl
Domi31tls e967a67052 feat(phase2): Extraction layout-aware multi-colonnes — 322 fuites → 0, -103 FP
Phase 2 de l'amélioration qualité anonymisation :

1. Extraction multi-colonnes (PyMuPDF layout-aware) :
   - Nouvelle fonction _extract_page_layout_aware() détecte les layouts
     sidebar+corps (typiques des CRH/CRO hospitaliers)
   - Remplace pdfplumber comme extraction primaire (PyMuPDF blocks)
   - Élimine l'entrelacement de texte entre sidebar et corps médical
   - pdfplumber conservé pour les tables et comme fallback

2. Masquage FINESS multiline :
   - Détection "N° Finess\n[...]\n640000162" (label et numéro séparés)
   - Propagation globale du numéro FINESS sur toutes les pages
   - Gestion du format *640000162* (avec astérisques Trackare)

3. Masquage URLs hospitalières (www.ch-xxx.fr)

4. Nettoyage crochets doubles [[PLACEHOLDER]] → [PLACEHOLDER]

Résultats non-régression (30 fichiers audit) :
- Fuites : 322 → 0 (-100%)
- Faux positifs : 113 → 10 (-91%)
- 0 régression fonctionnelle
- OGC 1-59 : 0 fuite soignant, 0 FINESS, 0 lieu de naissance

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-06 18:19:08 +01:00

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{"page": 0, "kind": "NOM", "original": "Anne SEVILLA", "placeholder": "[NOM]", "bbox_hint": null}
{"page": 0, "kind": "CODE_POSTAL", "original": "64500 CIBOURE", "placeholder": "[CODE_POSTAL]", "bbox_hint": null}
{"page": 0, "kind": "NOM", "original": "Valerico SANCHEZ", "placeholder": "[NOM]", "bbox_hint": null}
{"page": 0, "kind": "ADRESSE", "original": "10, avenue Layats ", "placeholder": "[ADRESSE]", "bbox_hint": null}
{"page": 0, "kind": "ETAB", "original": "Polyclinique Côte Basque Sud", "placeholder": "[ETABLISSEMENT]", "bbox_hint": null}
{"page": 0, "kind": "CODE_POSTAL", "original": "64500 ST JEAN DE LUZ", "placeholder": "[CODE_POSTAL]", "bbox_hint": null}
{"page": 0, "kind": "NOM", "original": "Jean-Daniel BADIOLA", "placeholder": "[NOM]", "bbox_hint": null}
{"page": 0, "kind": "ADRESSE", "original": "2 Avenue Pierre Larramendy", "placeholder": "[ADRESSE]", "bbox_hint": null}
{"page": 0, "kind": "CODE_POSTAL", "original": "64500 ST JEAN DE LUZ", "placeholder": "[CODE_POSTAL]", "bbox_hint": null}
{"page": 0, "kind": "NOM", "original": "Andon LAZAROV", "placeholder": "[NOM]", "bbox_hint": null}
{"page": 0, "kind": "DATE_NAISSANCE", "original": "Né le 27/11/1958", "placeholder": "[DATE_NAISSANCE]", "bbox_hint": null}
{"page": 0, "kind": "NOM", "original": "Alessandro FALCHETTI", "placeholder": "[NOM]", "bbox_hint": null}
{"page": 0, "kind": "NOM", "original": "Estelle QUEANT", "placeholder": "[NOM]", "bbox_hint": null}
{"page": 0, "kind": "NOM", "original": "Alessandro FALCHETTI", "placeholder": "[NOM]", "bbox_hint": null}
{"page": 0, "kind": "NOM", "original": "Estelle QUEANT", "placeholder": "[NOM]", "bbox_hint": null}