Benjamin Admin
156a818246
refactor: Crop nach Deskew/Dewarp verschieben + content-basierter Buchscan-Crop
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Pipeline-Reihenfolge neu: Orientierung → Begradigung → Entzerrung → Zuschneiden → Spalten...
Crop arbeitet jetzt auf dem bereits geraden Bild, was bessere Ergebnisse liefert.
page_crop.py komplett ersetzt: Adaptive Threshold + 4-Kanten-Erkennung
(Buchruecken-Schatten links, Ink-Projektion fuer alle Raender) statt
Otsu + groesste Kontur.
Backend: Step-Nummern, Input-Bilder, Reprocess-Kaskade angepasst.
Frontend: PIPELINE_STEPS umgeordnet, Switch-Cases, Vorher-Bilder aktualisiert.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com >
2026-03-09 08:52:11 +01:00
Benjamin Admin
2763631711
feat: Orientierung + Zuschneiden als Schritte 1-2 in OCR-Pipeline
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Zwei neue Wizard-Schritte vor Begradigung:
- Step 1: Orientierungserkennung (0/90/180/270° via Tesseract OSD)
- Step 2: Seitenrand-Erkennung und Zuschnitt (Scannerraender entfernen)
Backend:
- orientation_crop_api.py: POST /orientation, POST /crop, POST /crop/skip
- page_crop.py: detect_and_crop_page() mit Format-Erkennung (A4/A5/Letter)
- Session-Store: orientation_result, crop_result Felder
- Pipeline nutzt zugeschnittenes Bild fuer Deskew/Dewarp
Frontend:
- StepOrientation.tsx: Upload + Auto-Orientierung + Vorher/Nachher
- StepCrop.tsx: Auto-Crop + Format-Badge + Ueberspringen-Option
- Pipeline-Stepper: 10 Schritte (war 8)
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com >
2026-03-08 23:55:23 +01:00
Benjamin Admin
aa06ae0f61
feat: Persistente Sessions (PostgreSQL) + Spaltenerkennung (Step 3)
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Sessions werden jetzt in PostgreSQL gespeichert statt in-memory.
Neue Session-Liste mit Name, Datum, Schritt. Sessions ueberleben
Browser-Refresh und Container-Neustart. Step 3 nutzt analyze_layout()
fuer automatische Spaltenerkennung mit farbigem Overlay.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com >
2026-02-26 22:16:37 +01:00
Benjamin Admin
9df745574b
fix(ocr-pipeline): dewarp visibility, grid on both sides, session persistence
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- Fix dewarp method selection: prefer methods with >5px curvature over
higher confidence (vertical_edge 79px was being ignored for text_baseline 2px)
- Add grid overlay on left image in Dewarp step for side-by-side comparison
- Add GET /sessions/{id} endpoint to reload session data
- StepDeskew accepts sessionId prop to restore state when navigating back
- SessionInfo type extended with optional deskew_result and dewarp_result
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com >
2026-02-26 17:29:53 +01:00
Benjamin Admin
589d2f811a
feat: Dewarp-Korrektur als Schritt 2 in OCR Pipeline (7 Schritte)
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Implementiert Buchwoelbungs-Entzerrung mit zwei Methoden:
- Methode A: Vertikale-Kanten-Analyse (Sobel + Polynom 2. Grades)
- Methode B: Textzeilen-Baseline (Tesseract + Baseline-Kruemmung)
Beste Methode wird automatisch gewaehlt, manueller Slider (-3 bis +3).
Backend: 3 neue Endpoints (auto/manual dewarp, ground truth)
Frontend: StepDewarp + DewarpControls, Pipeline von 6 auf 7 Schritte
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com >
2026-02-26 16:46:41 +01:00
Benjamin Admin
d552fd8b6b
feat: OCR Pipeline mit 6-Schritt-Wizard fuer Seitenrekonstruktion
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Neue Route /ai/ocr-pipeline mit schrittweiser Begradigung (Deskew),
Raster-Overlay und Ground Truth. Schritte 2-6 als Platzhalter.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com >
2026-02-26 15:38:08 +01:00
