Dê uma olhada no ABBYY FlexiCapture , ele é feito para OCR especializado de documentos de tipo único: formulários, faturas, recepiets, etc.
ABBYY FlexiCapture 10 is intelligent, accurate and scalable document capture and data extraction software. It provides a single entry point to automatically transform the stream of different forms and documents of any structure and complexity to usable and accessible data ready to be exported into your business applications and databases