Chapter 7
Image Restoration
CHAPTER OBJECTIVES
- To explain the use of various techniques to restore the degraded images.
- Continuous/discrete degradation model.
- Inverse filtering approach to image restoration.
- Least mean square filtering approach.
- Interactive and constrained least square restoration approaches.
7.1 INTRODUCTION
Restoration is a process that attempts to reconstruct or recover an image that has been degraded by using a priori knowledge of the degradation phenomenon. Similar to the enhancement technique, the function of the restoration technique is to improve the image. Restoration techniques are based on modeling the degradation using a priori knowledge and applying the inverse process in order to restore the original image. ...
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