Lossless compression of hyperspectral images based on the prediction error block

Yongjun Li; Yunsong Li; Juan Song; Weijia Liu; Jiaojiao Li

doi:10.1117/12.2228252

17 May 2016 Lossless compression of hyperspectral images based on the prediction error block

Yongjun Li, Yunsong Li, Juan Song, Weijia Liu, Jiaojiao Li

Proceedings Volume 9840, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXII; 98401W (2016) https://doi.org/10.1117/12.2228252
Event: SPIE Defense + Security, 2016, Baltimore, MD, United States

Abstract

A lossless compression algorithm of hyperspectral image based on distributed source coding is proposed, which is used to compress the spaceborne hyperspectral data effectively. In order to make full use of the intra-frame correlation and inter-frame correlation, the prediction error block scheme are introduced. Compared with the scalar coset based distributed compression method (s-DSC) proposed by E.Magli et al., that is , the bitrate of the whole block is determined by its maximum prediction error, and the s-DSC-classify scheme proposed by Song Juan that is based on classification and coset coding, the prediction error block scheme could reduce the bitrate efficiently. Experimental results on hyperspectral images show that the proposed scheme can offer both high compression performance and low encoder complexity and decoder complexity, which is available for on-board compression of hyperspectral images.

Citation Download Citation

Yongjun Li, Yunsong Li, Juan Song, Weijia Liu, and Jiaojiao Li "Lossless compression of hyperspectral images based on the prediction error block", Proc. SPIE 9840, Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXII, 98401W (17 May 2016); https://doi.org/10.1117/12.2228252

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