Study of Approaches to Remove Show-Through and
Bleed-Through in Document Images

Abstract

The wok implemented describes a study of approaches to restore the nonlinear life mixture of images, which occurs when we scan or photograph and the back page shows through. We generally see this to occur mainly with old documents and low quality paper. With the presence of increased bleed-through,reading and deciphering the text becomes tedious. This project executes algorithms to reduce bleed-through distortion using techniques in digital image processing. We study the algorithm knowing the fact that in images the high
frequency components are sparse and stronger on one side of the paper than on the other one. Bleed-through effect and show-through effect was removed in one time processing, with no iteration. Here the sources need not require to be
independent or the mixture to be invariant.Hence it is suitable for separating mixtures such as those produced by bleed-through.