Abstract
Murals are an integral part of our heritage and culture. So there is a need to preserve them for coming generations. The major caused for its deterioration can be odd weather conditions, dust, smoke etc. It can be affected as cracks or decolourisation. Due to the irreversibility of chemical restoration of murals, we can go for digital restoration of murals. In this paper, we reviewed about the techniques of digital restoration of murals including crack detection and filling, colour restoration.
Highlights
The motivation behind restoration is based on the idea that the art and artifacts of the past should be respected and preserved
This paper presents a method for colour restoration of paintings using linear approximation and white form transform, and a technique for crack detection of old paintings using Morphological top-hat transform
Two crack filling methods are proposed, one which is based on order statistics and another one using anisotropic diffusion
Summary
The motivation behind restoration is based on the idea that the art and artifacts of the past should be respected and preserved. Restoration of archaeological objects is more useful and efficient because permanent change of the art-work from its present form is not allowed. Digital restoration through image processing techniques tries to generate the original look without changing the object. Since the amount of blur is scattered they apply image segmentation to extract similar blur regions.
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