Adaptive rate control for JPEG2000 image coding in embedded systems

Author

Masuzaki, Takahiko ; Tsutsui, Himshi ; Izumi, Tomonori ; Onoye, Takao ; Nakamura, Yukihim

Author_Institution

Dept. of Commun. & Comput. Eng., Kyoto Univ., Japan

Volume

3

fYear

2002

fDate

2002

Abstract

To cope with the recent mobile scenes where images are used aggressively, a novel rate control scheme is proposed. The proposed scheme, dedicated for JPEG2000 image coding, aims at achieving low computational cost and small working memory size while maintaining high image quality. By predicting the adequate number of coding passes and updating it adaptively in code-block coding, the proposed scheme reduces both computational cost and working memory size for bitstream buffering down to 29% and 13%, respectively.

Keywords

arithmetic codes; computational complexity; discrete wavelet transforms; embedded systems; image coding; mobile communication; transform coding; JPEG2000 image coding; adaptive rate control; arithmetic coding; code-block coding; computational cost; discrete wavelet transform; embedded systems; image quality; mobile systems; working memory size; Adaptive control; Arithmetic; Bit rate; Communication system control; Computational efficiency; Control systems; Embedded system; Image coding; Image quality; Programmable control;

fLanguage

English

Publisher

ieee

Conference_Titel

Image Processing. 2002. Proceedings. 2002 International Conference on

ISSN

1522-4880

Print_ISBN

0-7803-7622-6

Type

conf

DOI

10.1109/ICIP.2002.1038907

Filename

1038907