A Survey on Restoration of Paintings

Images in the true world are subjected to numerous forms of modification during its capture, acquisition, storage, transmission and reproduction. Images are everywhere in our daily life, not only because they are extensively used as a channel for communication but also they are one of the best way to represent the physical world. Digital image is a numeric description, usually binary representation of a two dimensional image. Digital Image Processing is the process which uses computer algorithms to process digital image. One of the most interesting areas in image processing is to enhance the pictorial information for human interpretation. The main aim of image restoration is to reconstruct the original image from a deteriorated image. A lot of researches are being carried out on image restoration. This paper mainly focuses on different techniques used for digital restoration of paintings and various parameters used for evaluation.