October 2015
Beginner
551 pages
17h 46m
English
Content preview from A Computational Introduction to Digital Image Processing, 2nd Edition
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Color Processing 391
FIGURE 13.17: SEE COLOR INSERT A better attempt at color contrast enhance-
ment
Note that the colors here are much more “true to life” than in the original attempt. One
more example is of an emu; Figure 13.18 shows the original, and the enhancement with all
RGB layers, or with an intensity layer only.
(a) The original image (b) Processing each RGB (c) Processing Y only
FIGURE 13.18: SEE COLOR INSERT Another example of color contrast enhance-
ment
In this case, there is only minimal visible difference, mainly because the initial image is
quite well contrasted already.
Spatial Filtering
It very much depends on the filter as to which sc ...
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