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     Research Journal of Applied Sciences, Engineering and Technology


Noise Adaptation and Threshold Determination in Image Contour Recognition Method Based on Complex Network

Tang Xiao, Wang Yin-He and Wang Qin-Ruo
Faculty of Automation, Guangdong University of Technology, Guangzhou Guangdong 510006, China
Research Journal of Applied Sciences, Engineering and Technology  2013  11:2003-2011
http://dx.doi.org/10.19026/rjaset.6.3816  |  © The Author(s) 2013
Received: November 24, 2012  |  Accepted: January 23, 2013  |  Published: July 25, 2013

Abstract

In practice of image contour recognition, the precision of shape contour extraction is affected by lots of factors, such as noise, shelter and parameters. That will affect the shape contour quality and reduce the recognition effect. To solve these problems, a Shape Contour Recognition Method Based on Complex Network is discussed in this study. The main idea of the approach is to use complex network methodology to extract a feature vector for shape contour recognition under rotation, noise and shelter. An approximation method for Distance Threshold Determining (DTD) is presented to help modeling the complex networks. Experiments show that the proposed method and the DTD method have efficient power in shape recognition. It is also proved to be scale invariant, rotation invariant and partially overcome noise-sensitive and shelter.

Keywords:

Complex network, , distance threshold determining, , image sequence, , robustness, , shape contour, , shape recognition,


References


Competing interests

The authors have no competing interests.

Open Access Policy

This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

Copyright

The authors have no competing interests.

ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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