Edge Detection Based on Wavelet Lifting Transform and Its Application

doi:10.3969/j.issn.1006-2475.2009.07.041

Computer and Modernization ›› 2009, Vol. 1 ›› Issue (7): 142-144.doi: 10.3969/j.issn.1006-2475.2009.07.041

• 应用与开发 • Previous Articles Next Articles

Edge Detection Based on Wavelet Lifting Transform and Its Application

GUAN Sheng-qi,DONG You-geng

College of Mechanical & Electronic Engineering, Xi’an Polytechnic University, Xi’an 710048, China

Received:2009-02-27 Revised:1900-01-01 Online:2009-07-10 Published:2009-07-10

Abstract

Abstract: According to wavelet lifting scheme analysis, a new method for edge detection based on wavelet transform is presented. Firstly, subimages of horizontal, vertical and diagonal details are acquired through the wavelet decomposition. Secondly, according to subimages characteristics, subimage edges are detected by different edge detection operator. Lastly, image is reconstructed through the inverse wavelet transform. The experimental result confirms that the proposed method is feasible through traffic flow detection.

Key words: lifting scheme, wavelet transform, edge detection, traffic flow

CLC Number:

TP391.41

GUAN Sheng-qi;DONG You-geng. Edge Detection Based on Wavelet Lifting Transform and Its Application[J]. Computer and Modernization, 2009, 1(7): 142-144.

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Edge Detection Based on Wavelet Lifting Transform and Its Application

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