October 2018
Beginner
734 pages
22h 15m
English
Content preview from Fundamentals of Computer Graphics, 4th EditionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 20
Visual Perception
William B. Thompson
The ultimate purpose of computer graphics is to produce images for viewing by people. Thus, the success of a computer graphics system depends on how well it conveys relevant information to a human observer. The intrinsic complexity of the physical world and the limitations of display devices make it impossible to present a viewer with the identical patterns of light that would occur when looking at a natural environment. When the goal of a computer graphics system is physical realism, the best we can hope for is that the system be perceptually effective: displayed images should “look” as intended. For applications such as technical illustration, it is often desirable to visually highlight relevant ...
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