Tamil OCR-A Survey

Translating scanned images to machine readable text focuses paperless environment which leads to the concept of optical character recognition. It increases the demand in many emerging applications like postal system, banks , institutions, word processing, library system etc where all the processing are automated. It is one of the field of research in artificial intelligence which is branch of computer science and aims at to create intelligence in machines. Recognition of hand printing, handwriting and printed text are the main focusing research area because still no 100% recognition is possible even though the available scanned image is accurate. Text can be in different scripts, numerals, images. In this paper introduction to tamil script, previous studies about tamil script recognition and methods for recognition of tamil characters and issues related to recognitionare discussed.