基于JPEG2000的电能质量扰动数据压缩方法

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Abstract JPEG2000 is the latest international standard for compression of still images. Although the JPEG2000 codec is designed to compress images, this paper illustrates how the JPEG2000 codec can be used to compress 1-dimensional power quality disturbance data. Using the actual power quality disturbance signals the experiments present that the proposed approach outperforms some existing 2-dimensional power quality data compression schemes. The proposed method allows the use of existing hardware and software JPEG2000 codecs for power quality data compression, and can be especially useful in eliminating the need for specialized hardware development. The desirable characteristics of the JPEG2000 codec, such as accurate rate control and progressive transmission, are retained in the presented scheme.

Key words： Power quality disturbance JPEG2000 data compression 2-dimensional wavelet transform entropy coding

Received: 11 December 2009 Published: 07 March 2014

PACS:	TM734
	TM769

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	Zhang Ming
	Li Kaicheng
	Hu Yisheng

Cite this article:

Zhang Ming,Li Kaicheng,Hu Yisheng. Power Quality Disturbance Data Compression Using JPEG2000[J]. Transactions of China Electrotechnical Society, 2011, 26(10): 47-54.

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http://dgjsxb.ces-transaction.com/EN/ OR http://dgjsxb.ces-transaction.com/EN/Y2011/V26/I10/47

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