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	Reversible integer KLT for progressive-to-lossless compression of multiple component images
	Hao, Pengwei ; Shi, Qingyun
	2003
英文摘要	In this paper, we presented a method for integer reversible implementation of KLT for multiple component image compression. The progressive-to-lossless compression algorithm employed the JPEG-2000 transform coding strategy using the multiple component transform (MCT) across the components, followed by a 2-dimensional wavelet transform on individual eigen images. The linear MCTs we tested and compared are KLT, discrete wavelet transform (DWT), and a tasselled cap transform (TCT) for TM satellite images only. The computational complexity of the reversible integer implementation is no more than that of naive transformation, and the overhead data is very small. Its effectiveness was evaluated using two 6-band Landsat TM satellite images and an 80-component hyper-spectral remotely-sensed image. Experiments with KLT and wavelet based JPEG-2000 show that reversible KLT (RKLT) outperforms other approaches for all of the test images in the case of both lossy and lossless compression.; EI; 0
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/329283]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Hao, Pengwei,Shi, Qingyun. Reversible integer KLT for progressive-to-lossless compression of multiple component images. 2003-01-01.

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