DocumentCode
2818726
Title
Hierarchical image coding with pyramid DPCM
Author
De Queiroz, Ricardo L. ; Yabu-uti, Jopo B T
Author_Institution
Dept. de Communicacoes, Univ. Estadual de Campinas, Brazil
fYear
1990
fDate
3-6 Sep 1990
Firstpage
558
Lastpage
562
Abstract
The authors apply DPCM (differential pulse code modulation) to pyramid coding strategy, and show that, for practical quantizers, lower bit rates than regular DPCM are required for high-quality resulting images. The pyramid DPCM is relatively simple, feasible, and allows a processing interval between samples that is longer than the sampling interval. A blockwise scheme for multiresolution which could largely decrease the coding bit rate is also discussed
Keywords
data compression; encoding; picture processing; pulse-code modulation; DPCM; bit rate reduction; blockwise scheme; data compression; differential pulse code modulation; hierarchical image coding; pyramid coding; quantizers; Bit rate; Concurrent computing; Entropy; Frequency; Image coding; Image resolution; Image sampling; Signal resolution; TV; Video compression;
fLanguage
English
Publisher
ieee
Conference_Titel
Telecommunications Symposium, 1990. ITS '90 Symposium Record., SBT/IEEE International
Conference_Location
Rio de Janeiro
Type
conf
DOI
10.1109/ITS.1990.175666
Filename
175666
Link To Document