CHAPTER 4

Basics of Visual Perception

4.1  INTRODUCTION

One might ask: Why are we covering human visual perception in a book about display technology? The answer is simple: Displays are human computer interfaces that transport information through the visual perception system. Not considering this final part of the display pipeline would be critical, and would most likely lead to ineffective display devices.

For the design of displays, limitations of the human visual perception systems should be considered. For example, we don’t need screens with resolutions that cannot be resolved by the eyes under common viewing conditions. We don’t need to display colors that are outside the visual spectrum. We want to ensure that a display is capable of presenting ...

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