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 401
3. By hand, perform the conversions between RGB and HSV or YIQ, for the values:
R G B
H S V
0.5 0.5 0
0 0.7 0.7
0.5 0 0.5
0.33 0.5 1
0.67 0.7 0.7
0 0.2 0.8
R G B
Y I Q
0.3 0.3 0.7
0.7 0.9 0
0.8 0.8 0.7
1 0.3 0.3
0.5 0.5 0.5
0 1 1
You may need to normalize the RGB values.
4. Check your answers to the conversions in Question 3 by using the relevant functions
in MATLAB, Octave, or Python.
5. Threshold the intensity component of a color image of your choice, and see if the
result agrees with your guess from Question 2.
6. The image
emu.png is an indexed color image. Experiment with applying different
color maps to the index matrix of this image.
Whic ...
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