基于非线性小波变换的图像边缘分解方法

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Abstract Avoiding oscillation phenomenon which occurs in analysis and reconstruction of image edges, an application without extrapolation both sides is proposed. Image energy is concentrated in low frequency by using nonlinear transform, and the exact jumps location are detected by local maximum of wavelet transform in fine scale. Non-oscillation edges of reconstructed image are received with less storage space and computing time.

Key words： Image compression Edge oscillation Nonlinear wavelet transform

Received: 17 March 2004

PACS:

TN919.8

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	Zhang Lei
	Huang Lian-qing

Cite this article:

Zhang Lei,Huang Lian-qing. Nonlinear Wavelet Transform Based Image Edge Decomposition[J]. , 2005, 27(5): 691-693 .

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http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y2005/V27/I5/691