3 Digital Image Processing and Visual Perception
3.1 Introduction
In Chapter 1, we discussed the distinction between image processing for human vision applications and for computer vision applications, and the idea that image analysis was an important aspect of both types of applications. In this chapter, after a brief look at the image analysis model, we will delve into the pertinent aspects of the human visual system (HVS) and why an understanding of it is required to develop image enhancement, restoration and compression algorithms. The image analysis process extracts higher-level image information that can be used to aid in understanding how to best improve the images for human consumption. In other words, ...
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