
Chapter 8
Image Restoration
8.1 Introduction
Image restoration concerns the removal or reduction of degradations that have occurred
during the acquisition of the image. Such degradations may include noise, which are errors
in the pixel values, or optical effects such as out of focus blurring, or blurring due to camera
motion. We shall see that some restoration techniques can be performed very successfully
using neighborhood operations, while others require the use of frequency domain processes.
Image restoration remains one of the most important areas of image processing, but in this
chapter the emphasis will be on the techniques for dealing with restoration, ...