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	The compression and storage method of the same kind of medical images-DPCM (EI CONFERENCE)
	Zhao X. ; Wei J. ; Zhai L. ; Liu H.
	2006
会议名称	4th International Conference on Photonics and Imaging in Biology and Medicine, September 3, 2005 - September 6, 2005
会议地点	Tianjin, China
关键词	Medical imaging has started to take advantage of digital technology opening the way for advanced medical imaging and teleradiology. Medical images however require large amounts of memory. At over 1 million bytes per image a typical hospital needs a staggering amount of memory storage (over one trillion bytes per year) and transmitting an image over a network (even the promised superhighway) could take minutes - too slow for interactive teleradiology. This calls for image compression to reduce significantly the amount of data needed to represent an image. Several compression techniques with different compression ratio have been developed. However the lossless techniques which allow for perfect reconstruction of the original images yield modest compression ratio while the techniques that yield higher compression ratio are lossy that is the original image is reconstructed only approximately Medical imaging poses the great challenge of having compression algorithms that are lossless (for diagnostic and legal reasons) and yet have high compression ratio for reduced storage and transmission time. To meet this challenge we are developing and studying some compression schemes which are either strictly lossless or diagnostically lossless taking advantage of the peculiarities of medical images and of the medical practice. In order to increase the Signal to-Noise Ratio (SNR) by exploitation of correlations within the source signal a method of combining differential pulse code modulation (DPCM) is presented.
收录类别	EI
内容类型	会议论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/33802]
专题	长春光学精密机械与物理研究所_中科院长春光机所知识产出_会议论文
推荐引用方式 GB/T 7714	Zhao X.,Wei J.,Zhai L.,et al. The compression and storage method of the same kind of medical images-DPCM (EI CONFERENCE)[C]. 见:4th International Conference on Photonics and Imaging in Biology and Medicine, September 3, 2005 - September 6, 2005. Tianjin, China.

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