October 2015
Beginner
551 pages
17h 46m
English
Content preview from A Computational Introduction to Digital Image Processing, 2nd Edition
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6 A Computational Introduction to Digital Image Processing, Second Edition
The sampling rate will of course affect the final resolution of the image; we discuss this in
Chapter 3. In order to obtain a sampled (digital) image, we may start with a continuous
representation of a scene. To view the scene, we record the energy reflected from it; we may
use visible light, or some other energy source.
Using Light
Light is the predominant energy source for images; simply because it is the energy source
that human beings can observe directly. We are all familiar with photographs, which are a
pictorial record of a visual scene.
Many digital images are captured
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