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Proceedings Article

Distributed edge detection algorithm based on wavelet transform for wireless video sensor network

[+] Author Affiliations
Qiulin Li, Qun Hao, Yong Song, Dongsheng Wang

Beijing Institute of Technology (China)

Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 79972O (May 26, 2011); doi:10.1117/12.888576
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From Conference Volume 7997

  • Fourth International Seminar on Modern Cutting and Measurement Engineering
  • Jiezhi Xin; Lianqing Zhu; Zhongyu Wang
  • Beijing, China | December 10, 2010

abstract

Edge detection algorithms are critical to image processing and computer vision. Traditional edge detection algorithms are not suitable for wireless video sensor network (WVSN) in which the nodes are with in limited calculation capability and resources. In this paper, a distributed edge detection algorithm based on wavelet transform designed for WVSN is proposed. Wavelet transform decompose the image into several parts, then the parts are assigned to different nodes through wireless network separately. Each node performs sub-image edge detecting algorithm correspondingly, all the results are sent to sink node, Fusing and Synthesis which include image binary and edge connect are executed in it. And finally output the edge image. Lifting scheme and parallel distributed algorithm are adopted to improve the efficiency, simultaneously, decrease the computational complexity. Experimental results show that this method could achieve higher efficiency and better result.

© (2010) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Qiulin Li ; Qun Hao ; Yong Song and Dongsheng Wang
"Distributed edge detection algorithm based on wavelet transform for wireless video sensor network", Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 79972O (May 26, 2011); doi:10.1117/12.888576; http://dx.doi.org/10.1117/12.888576


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