The importance of the piece of paper cannot be ignored towards facilitating communication between people. People generally store important information by writing on paper for retrieving at a later stage. Paper is still a convenient and feasible way of storing data in the form of handwritten script or printed text. A huge amount of historical data is also written on papers. So, there is a great demand to digitize all these paper documents so that the people all over the world can access these important sources of knowledge. Many researchers are attempting to simulate intelligent behavior and...