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Digital Video and HD
book

Digital Video and HD

by Charles Poynton
January 2003
Intermediate to advanced content levelIntermediate to advanced
736 pages
30h 54m
English
Morgan Kaufmann
Content preview from Digital Video and HD
Impulse
(point sampling)
1
t
Constant
I I
0 2n
•••
sinc
o
Boxcar
i i
0 2n
~ sinc2
T T q'-
0 1
~~ Triangle
i
0 2n
~
~, Gaussian
I I
0 1
'~ Gaussian
I I
0 2n
Triangle ("tent,"
linear interpolation)
1
0 1 t
~_ sinc2
i q-- T
0 2n
Boxcar
(nearest neighbor)
I
o 1 t
///~'~ sinc
0 ~co
i .... i
Constant
I I
0 1 t
Impulse
I I .....
0 2n oJ
Figure 16.9
Fourier transform pairs
for several functions are shown in these graphs. In the left
column is a set of waveforms in the time domain" beside each waveform is its frequency spectrum.
CHAPTER 16 FILTERING AND SAMPLING 151
I I I I
0 1 t
I I
0 1
0 1 t
i
0
2r~ ...
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Publisher Resources

ISBN: 9781558607927