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feat: add VIN photo OCR pipeline (refs #67)
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Implement VIN-specific OCR extraction with optimized preprocessing:

- Add POST /extract/vin endpoint for VIN extraction
- VIN preprocessor: CLAHE, deskew, denoise, adaptive threshold
- VIN validator: check digit validation, OCR error correction (I->1, O->0)
- VIN extractor: PSM modes 6/7/8, character whitelist, alternatives
- Response includes confidence, bounding box, and alternatives
- Unit tests for validator and preprocessor
- Integration tests for VIN extraction endpoint

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Eric Gullickson
2026-02-01 19:31:36 -06:00
parent 004940b013
commit 54cbd49171
14 changed files with 1694 additions and 1 deletions
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ocr/app/main.py
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@@ -55,6 +55,7 @@ async def root() -> dict:
"log_level": settings.log_level,
"endpoints": [
"POST /extract - Synchronous OCR extraction",
"POST /extract/vin - VIN-specific extraction with validation",
"POST /jobs - Submit async OCR job",
"GET /jobs/{job_id} - Get async job status",
],