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Advances in Visual Data Compression and Communication
book

Advances in Visual Data Compression and Communication

by Feng Wu
July 2014
Intermediate to advanced content levelIntermediate to advanced
513 pages
16h 40m
English
Auerbach Publications
Content preview from Advances in Visual Data Compression and Communication
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18.5 Compressive Sampling 405
Figure 18.3 Pyramidal structure of 5-level wavelet decomposition and chunk division for Lena.
The variance metadata are quantized into integers and then encoded by Exponential-
Golomb codes. After this step, they are transmitted using 1/2 rate channel coding,
QPSK, and STBC. The chunk division details are shown in Figure 18.3. The 10 upper
left wavelet bands correspond to 10 chunks, while each of the remaining 6 bands is
split into several chunks of equal size. The chunks in the upper-left corner are smaller
than the others because there are fewer coefficients in the lowest-frequency band, and
coefficients from
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Publisher Resources

ISBN: 9781482234138