- Problem: deepseek-v4-flash is text-only, cannot process base64 images - hallucinated fake data - Solution: Two-step pipeline that actually extracts real data: 1. Tesseract OCR extracts raw text from the receipt image 2. DeepSeek v4 parses the OCR text into structured JSON - Benefits: works with any image format, fast, accurate, no hallucinated data - Properly handles HEIC/HEIF via heif-convert before OCR |
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