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Proceedings Paper

The rate control scheme for JPEG-LS with high bitrate
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Paper Abstract

JPEG-LS is an ISO/ITU lossless/near-lossless compression standard for continuous-tone images with both low complexity and good performance. However, the lack of rate control in JPEG-LS makes it unsuitable for applications, which have the requirement of the compression to a pre-specified size for purpose of effective storage management or effective bandwidth management. This paper proposes an efficient rate control scheme for JPEG-LS with a high bitrate. It is based on a good relationship for the optimal quantization steps of different slices and a good relationship for the optimal target bitrates of different slices. Comparing with the most previous JPEG-LS with rate control schemes, the proposed rate control scheme has a uniform performance for the whole image, and it is more suited for the near-lossless compression, but the most previous JPEG-LS with rate control schemes have the non-uniform performance. The experimental results show that the proposed rate control scheme achieves better compression performance for remote sensing compression with a high bitrate.

Paper Details

Date Published: 19 October 2012
PDF: 8 pages
Proc. SPIE 8514, Satellite Data Compression, Communications, and Processing VIII, 85140T (19 October 2012); doi: 10.1117/12.929583
Show Author Affiliations
Jing Zhang, Xidian Univ. (China)
Yunsong Li, Xidian Univ. (China)
Kai Liu, Xidian Univ. (China)
Jie Guo, Xidian Univ. (China)


Published in SPIE Proceedings Vol. 8514:
Satellite Data Compression, Communications, and Processing VIII
Bormin Huang; Antonio J. Plaza; Carole Thiebaut, Editor(s)

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