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Proceedings of 2010 Cross-Strait Conference on Information Science and Technology (CSCIST 2010 E-BOOK)

Qinhuangdao,China,7.9-7.13，2010

ISBN: 978-1-935068-15-0 Scientific Research Publishing, USA

E-Book 840pp Pub. Date: July 2010

Category: Computer Science & Communications

Price: $120

Title: A Decentralized Coverage Mechanism with Minimum Camera Nodes for Wireless Visual Sensor Networks
Source: Proceedings of 2010 Cross-Strait Conference on Information Science and Technology (CSCIST 2010 E-BOOK) (pp 691-695)
Author(s): Yu-Xiong Lin, Dept. Computer and Information Science Tamkang University, Tamsui, Taipei
Yu-Chieh Chen, Dept. Computer and Information Science Tamkang University, Tamsui, Taipei
Chih-Yung Chang, Dept. Computer and Information Science Tamkang University, Tamsui, Taipei
Chien-Fu Cheng, Dept. Computer and Information Science Tamkang University, Tamsui, Taipei
Abstract: This paper aims at developing visual coverage mechanism for a Wireless Visual Sensor Network (WVSN) where a large number of sensor nodes and several camera nodes are randomly deployed. Like the traditional wireless sensor network, each sensor is capable of detecting object and reports its reading and location to the neighboring camera nodes. Unlike sensor node, each camera node has local processing and fusing image, communication and storage capabilities. This paper proposes a visual coverage mechanism which covers the following two issues: (1) Selecting the minimal number of camera nodes for cooperatively monitoring the target area; and (2) Developing a distributed lens rotation mechanism for full covering the target area. Experimental simulation shows that the proposed mechanism outperforms other schemes in terms of the number of selected camera nodes and the total rotation degree of all camera nodes.
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