Document Image Preprocessing for OCR Accuracy
Fixing blurry, skewed, or damaged scans beats upgrading the OCR engine itself.
Priya Subramaniam
Section
Document Parsing and OCR
9 stories in Document Parsing and OCR.
Character Encoding and Unicode Normalization Failures in Document Parsing
Silent encoding errors compound across document pipelines undetected.
Celeste Okafor
Parsing Complex Form Layouts with Field Relationship Extraction
Understanding field relationships requires parsing layout before text extraction.
Tobias Krenn
PDF Parsing Libraries Compared for ML Pipelines
Choose a parser by what your pipeline can't survive getting wrong, not by benchmark headlines.
Tobias Krenn
Handwritten Text Recognition in Production Document Pipelines
Handwritten text recognition fails silently in ways printed OCR never anticipated.
Celeste Okafor
Hybrid Computer Vision Pipelines for Document Parsing
Order matters: layout analysis, then OCR, then reasoning for accurate document parsing.
Celeste Okafor
Table Extraction Accuracy from Scanned PDFs
Structure recognition, not OCR accuracy, is where table extraction fails.
Celeste Okafor
Reading Order Detection in Multi-Column Document Layouts
A new graph-based method beats decades-old heuristics on multi-column documents.
Tobias Krenn
Vision-Language Models vs Traditional OCR Engines
Each tool excels on different document types; choosing between them is about matching the problem.
Tobias Krenn