--- license: mit tags: [document-ai, kie, ocr, receipt, vnpay, mlops] --- # Hybrid Document AI — KIE field classifier (v1) scikit-learn field classifier for receipt KIE (Tier-1 of a hybrid OCR+VLM pipeline). Features: OCR confidence, layout position, keyword proximity, money/date patterns. End-to-end macro-F1 = 0.865 (40 receipts, real RapidOCR). See github.com/NguyenDucAnforwork/hybrid-document-ai