Image processing based techniques for securing documents

Abstract In this age of Information Technology, many times it becomes necessary to protect vital information from unauthorized access, may be while storing the documents on PC, communicating in a network or sending letters manually on storage devices. In this paper some image processing based schemes have been suggested to protect the written documents on PC, which can further be extended to other documents such as pictures, diagrams, drawings etc. In the approaches adopted here, the information is processed after digitization.