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The paper explains how an Optical Character Recognition system (OCR) works and how this system enables us in capturing an image of a text document. It also explains how OCR is more efficient and easier alternative to scanning a document using a scanner as the image captured using OCR is of exactly the same quality like its scanned copy, the only difference being that OCR is done with the help of a simple mobile phone camera whereas scanning is done using a bulky scanner. It then also explains the problems being faced by the developers in using OCR as a technology on a large scale and how that problem can be dealt with. The proposed OCR system provides many features that require no typing, editing raw data, quick translation, and memory utilization.In the end it also highlights the major emerging trends in the field of OCR and how OCR as a technology is evolving with every passing day.