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Image and Video Compression
book

Image and Video Compression

by Madhuri A. Joshi, Mehul S. Raval, Yogesh H. Dandawate, Kalyani R. Joshi, Shilpa P. Metkar
November 2014
Intermediate to advanced content levelIntermediate to advanced
236 pages
7h 4m
English
CRC Press
Content preview from Image and Video Compression
48 Image and Video Compression
5000
4500
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0
Errors
01020304050
Quality Factor
60 70 80 90
100
(c)
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PSNR
01020304050
Quality Factor
60 70 80 90
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(d)
FIGURE 3.13 (continued )
(a) Q versus WNR, (b) Q versus NC, (c) Q versus BER, and (d) Q versus PSNR.
49Image Transforms
3.6 The Walsh-Hadamard Transform
A Walsh-Hadamard transform (WHT) is a nonsinusoidal transformation
that decomposes the signal into a set of functions known as the Walsh func-
tions. These functions are rectangular or square and orthogonal functions. ...
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Publisher Resources

ISBN: 9781482228229