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Digital Picture Processing, 2nd Edition
book

Digital Picture Processing, 2nd Edition

by Azriel Rosenfeld, Avinash C. Kak
January 2014
Intermediate to advanced content levelIntermediate to advanced
435 pages
18h 42m
English
Morgan Kaufmann
Content preview from Digital Picture Processing, 2nd Edition
4.3 Quantization of Picture Samples 111
levels
levels
levels
levels
= —oo
Q\
= -2.733
z
10
= 0.2582
<7io
= 0.3881
z
2
= -2.401
Qi
= -2.069
z,! = 0.5224
<7n
= 0.6568
Z3
= -1.844
13
= -1.618
z
x 2
= 0.7996
<7i
2
= 0.9424
Z4.
= -1.437
Q*
= -1.256
z
13
= 1.099
1l3
= 1.256
z
5
= -1.099
Qs
= -0.9424
z
14
= 1.437
Ql4.
= 1.618
z
6
= -0.7996
<76
= -0.6568
z
15
= 1.844
Ql5
= 2.069
Zl
= -0.5224
Qi
= -0.3881
z
16
= 2.401
= 2.733
z%
= -0.2582
Qs
= -0.1284
z
17
=oo
z
9
= 0.0
Q9
= 0.1284
p(z)= (l/^/23r)exp(-z
2
/2), z
x
= -oo, z
K+1
=oo.
of such a computation for Κ = 16. Note that the levels tend to be closer near
the center of the scale, where p(z) takes its maximum value ...
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Publisher Resources

ISBN: 9780323139915