A zerotree wavelet video coder

This paper describes a hybrid motion-compensated wavelet transform coder designed for encoding video at very low bit rates. The coder and its components have been submitted to MPEG-4 to support the functionalities of compression efficiency and scalability. Novel features of this coder are the use of...

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Vydáno v:IEEE transactions on circuits and systems for video technology Ročník 7; číslo 1; s. 109 - 118
Hlavní autoři: Martucci, S.A., Sodagar, I., Chiang, T., Ya-Qin Zhang
Médium: Journal Article
Jazyk:angličtina
Vydáno: IEEE 01.02.1997
Témata:
Adaptive control
Bit rate
Discrete wavelet transforms
Encoding
Motion compensation
MPEG 4 Standard
Programmable control
Scalability
Video compression
Virtual manufacturing
ISSN:1051-8215
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Shrnutí:This paper describes a hybrid motion-compensated wavelet transform coder designed for encoding video at very low bit rates. The coder and its components have been submitted to MPEG-4 to support the functionalities of compression efficiency and scalability. Novel features of this coder are the use of overlapping block motion compensation in combination with a discrete wavelet transform followed by adaptive quantization and zerotree entropy coding, plus rate control. The coder outperforms the VM of MPEG-4 for coding of I-frames and matches the performance of the VM for P-frames while providing a path to spatial scalability, object scalability, and bitstream scalability.
Bibliografie:ObjectType-Article-2
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ISSN:1051-8215
DOI:10.1109/76.554422