Journal of Guangxi Normal University(Natural Science Edition) ›› 2014, Vol. 32 ›› Issue (4): 39-44.

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A Reliable Contour Extraction Method for Motion Object in Surveillance Systems

XIA Hai-ying1,2, YAN Yuan-hui1, HUANG Si-qi1, XIAO Wen-jing1   

  1. 1. College of Electronic Engineering, Guangxi Normal University, Guilin Guangxi 541004, China: 2. State Key Laboratory Base for the Chemistry and Molecular Engineering of Medicinal Resources, Guangxi Normal University, Guilin Guangxi 541004, China
  • Received:2014-09-04 Published:2018-09-26

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Abstract: Aiming at the problem that the moving target contour profile gotten by the motion detection algorithm is incomplete,inaccurate and so on,this paper presents a reliable extraction algorithm of moving objects based on the vibe algorithm and improved active contour model. In this article, the coarse position of moving targets is quiskly located with vible algorithm, combined with the improved active contour model, the real-time contour of moving targets can be extracted. The improved active contour model has good model initialization conditions. As to abtain the accurate contour of the moving object and meet the real-time requirement. The experimental results show that the algorithm can extract veliable and real-time contour of the moving object.

Key words: contour extraction, vibe algorithm, improved active contour model, accelerating gradient descent

CLC Number: 

  • TP39
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