motovaultpro/ocr/app/patterns/fuel_patterns.py at 5877b531f9fbbc60447bcbc9a9296bbafa3f4c08

egullickson/motovaultpro

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Eric Gullickson 6319d50fb1

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feat: add receipt OCR pipeline (refs #69 )

Implement receipt-specific OCR extraction for fuel receipts:

- Pattern matching modules for date, currency, and fuel data extraction
- Receipt-optimized image preprocessing for thermal receipts
- POST /extract/receipt endpoint with field extraction
- Confidence scoring per extracted field
- Cross-validation of fuel receipt data
- Unit tests for all pattern matchers

Extracted fields: merchantName, transactionDate, totalAmount,
fuelQuantity, pricePerUnit, fuelGrade

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

2026-02-01 20:43:30 -06:00

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