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Tagged: ocr
Contract Intelligence with OCR, Hybrid RAG and LangGraph
A contract extraction pipeline: image cleanup, PaddleOCR with a GPT-4o fallback, FAISS plus BM25 retrieval, multi-query RAG and a scored Excel report.
27 min readProduction RAG Data Ingestion for Banks: PDFs, OCR, Tables and Connectors
How to ingest bank documents for RAG: classify PDFs, run OCR with review flags, keep Word structure, handle tables and images, and build resilient connectors.
18 min readMultiDocFusion: Hierarchy-Aware Chunking for RAG on Long PDFs
MultiDocFusion keeps section context in every chunk of a long PDF: layout detection, OCR, a header-tree LLM and DFS grouping, for 8-15% better RAG retrieval.
7 min readFrom Scanned Lab Reports to Structured Data: OCR Architecture Trade-offs
How a budget-constrained health startup can weigh OCR libraries, Google Cloud APIs and a self-hosted vision LLM when turning medical scans into structured JSON.
8 min readSelf-Hosted Vision LLM OCR in Go: Rasterizing, Prompting, Parsing
A Go worker turns medical PDFs into JSON with a vision LLM on Ollama: pdftoppm rasterizing, strict prompts, fallback parsing and Redis Streams consumers.
7 min read
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