DocumentCode
3523110
Title
Adaptive quantization scheme for very low bit rate video coding
Author
Zhike, Jia ; Huijuan, Cui ; Kun, Tang
Author_Institution
Dept. of Electron. Eng., Tsinghua Univ., Beijing, China
Volume
2
fYear
1999
fDate
18-22 Oct. 1999
Firstpage
940
Abstract
This paper presents an efficient two-layer adaptive quantization scheme, which uses Q-N (Quantization step-Number of output bits) mapping tables and fuzzy perceptual classifiers. With this adaptive quantization scheme, the consistent coding quality and good visual effect can be kept under constant bit rate.
Keywords
adaptive codes; image classification; quantisation (signal); video coding; Q-N mapping tables; VLBR coding; fuzzy perceptual classifiers; two-layer adaptive quantization scheme; very low bit rate coding; video coding; Bit rate; Electronic mail; Humans; Image quality; Iterative decoding; Quantization; Statistics; Video coding; Video compression; Visual effects;
fLanguage
English
Publisher
ieee
Conference_Titel
Communications, 1999. APCC/OECC '99. Fifth Asia-Pacific Conference on ... and Fourth Optoelectronics and Communications Conference
Conference_Location
Beijing, China
Print_ISBN
7-5635-0402-8
Type
conf
DOI
10.1109/APCC.1999.820418
Filename
820418
Link To Document