A frequency scalable coding scheme employing pyramid and subband techniques

A flexible layered coding scheme using block-based DCT domain decimation has been simulated in software. A conditional replacement scheme which switches adaptively between the pyramid and subband approaches at the coefficient level was studied. Experimental results comparing the adaptive scheme agai...

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Vydané v:IEEE transactions on circuits and systems for video technology Ročník 4; číslo 2; s. 203 - 207
Hlavní autori: Tan, T.K., Pang, K.K., Ngan, K.N.
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: New York, NY IEEE 01.04.1994
Institute of Electrical and Electronics Engineers
Predmet:
Applied sciences
B-ISDN
Bit rate
Coding, codes
Computer architecture
Decoding
Exact sciences and technology
Frequency
HDTV
Information, signal and communications theory
Propagation losses
Signal and communications theory
Signal resolution
Telecommunications and information theory
Video on demand
Block code
Experimental result
Subband decomposition
Coding
Cosine transform
Discrete transformation
ISSN:1051-8215
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Abstract A flexible layered coding scheme using block-based DCT domain decimation has been simulated in software. A conditional replacement scheme which switches adaptively between the pyramid and subband approaches at the coefficient level was studied. Experimental results comparing the adaptive scheme against the pyramid approach show that this new approach increases the overall coding efficiency of the scalable coder by up to 1 dB.< >
AbstractList A flexible layered coding scheme using block-based DCT domain decimation has been simulated in software. A conditional replacement scheme which switches adaptively between the pyramid and subband approaches at the coefficient level was studied. Experimental results comparing the adaptive scheme against the pyramid approach show that this new approach increases the overall coding efficiency of the scalable coder by up to 1 dB
A flexible layered coding scheme using block-based DCT domain decimation has been simulated in software. A conditional replacement scheme which switches adaptively between the pyramid and subband approaches at the coefficient level was studied. Experimental results comparing the adaptive scheme against the pyramid approach show that this new approach increases the overall coding efficiency of the scalable coder by up to 1 dB.< >
Author Tan, T.K.
Ngan, K.N.
Pang, K.K.
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Cites_doi 10.1109/ICASSP.1990.115949
10.1109/TCOM.1983.1095851
10.1049/el:19920601
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Keywords Block code
Experimental result
Subband decomposition
Coding
Cosine transform
Discrete transformation
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PublicationTitle IEEE transactions on circuits and systems for video technology
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Institute of Electrical and Electronics Engineers
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vandendorpe (ref8) 1991
koster (ref7) 1991
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tzou (ref11) 1988; 2
pang (ref12) 1992
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pang (ref14) 1991
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References_xml – ident: ref10
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SubjectTerms Applied sciences
B-ISDN
Bit rate
Coding, codes
Computer architecture
Decoding
Exact sciences and technology
Frequency
HDTV
Information, signal and communications theory
Propagation losses
Signal and communications theory
Signal resolution
Telecommunications and information theory
Video on demand
Title A frequency scalable coding scheme employing pyramid and subband techniques
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