Commit Graph

8 Commits

Author SHA1 Message Date
Benjamin Admin
ab3ecc7c08 feat: OCR pipeline v2.1 – narrow column OCR, dewarp automation, Fabric.js editor
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Proposal B: Adaptive padding, crop upscaling, PSM selection, row-strip re-OCR
for narrow columns (<15% width) – expected accuracy boost 60-70% → 85-90%.

Proposal A: New text-line straightness detector (Method D), quality gate
(rejects counterproductive corrections), 2-pass projection refinement,
higher confidence thresholds – expected manual dewarp reduction to <10%.

Proposal C: Fabric.js canvas editor with drag/drop, inline editing, undo/redo,
opacity slider, zoom, PDF/DOCX export endpoints.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-03 22:44:14 +01:00
Benjamin Admin
153f41358b fix: remove stale allCells dependency in emptyCellIds memo 2026-03-03 17:39:14 +01:00
Benjamin Admin
d1c8075da2 fix: three OCR pipeline UX improvements
1. Rename Step 6 label to "Korrektur" (was "OCR-Zeichenkorrektur")
2. Move _fix_character_confusion from pipeline Step 1 into
   llm_review_entries_streaming so corrections are visible in the UI:
   char changes (| → I, 1 → I, 8 → B) are now emitted as a batch event
   right after the meta event, appearing in the corrections list
3. StepReconstruction: all cells (including empty) are now rendered as
   editable inputs — removed filter that hid empty cells from the editor

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-03 17:31:55 +01:00
Benjamin Admin
ccba2bb887 fix(ocr-pipeline): show sub-columns in reconstruction and LLM review steps
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- Add marker/bbox_marker fields to WordEntry type
- Add page_ref/column_marker colors to StepReconstruction
- Make StepLlmReview table dynamic based on columns_used metadata,
  showing all detected columns (EN, DE, Example, page_ref, marker)
  instead of hardcoded EN/DE/Beispiel only

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-03 10:36:27 +01:00
Benjamin Admin
e718353d9f feat(ocr-pipeline): 6 systematic improvements for robustness, performance & UX
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1. Unit tests: 76 new parametrized tests for noise filter, phonetic detection,
   cell text cleaning, and row merging (116 total, all green)
2. Continuation-row merge: detect multi-line vocab entries where text wraps
   (lowercase EN + empty DE) and merge into previous entry
3. Empty DE fallback: secondary PSM=7 OCR pass for cells missed by PSM=6
4. Batch-OCR: collect empty cells per column, run single Tesseract call on
   column strip instead of per-cell (~66% fewer calls for 3+ empty cells)
5. StepReconstruction UI: font scaling via naturalHeight, empty EN/DE field
   highlighting, undo/redo (Ctrl+Z), per-cell reset button
6. Session reprocess: POST /sessions/{id}/reprocess endpoint to re-run from
   any step, with reprocess button on completed pipeline steps

Also fixes pre-existing dewarp_image tuple unpacking bug in run_cv_pipeline
and updates dewarp tests to match current (image, info) return signature.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-02 14:46:38 +01:00
Benjamin Admin
dbf0db0c13 feat(ocr-pipeline): improve LLM review UI + add reconstruction step
StepLlmReview: Show full vocab table with image overlay, row-level
status tracking (pending/active/reviewed/corrected/skipped), and
auto-scroll during SSE streaming. Load previous results on mount.

StepReconstruction: New step 7 with editable text fields at original
bbox positions over dewarped image. Zoom controls, tab navigation,
color-coded columns, save to backend.

Backend: Add POST /sessions/{id}/reconstruction endpoint.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-03-02 12:19:21 +01:00
Benjamin Admin
589d2f811a feat: Dewarp-Korrektur als Schritt 2 in OCR Pipeline (7 Schritte)
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