A Sustainable Scheme for Minimizing Energy in Visual Sensor Network using Disjoint Set Cover Approach | ||
| Engineering and Technology Journal | ||
| Article 9, Volume 38, 12A, December 2020, Pages 1818-1831 PDF (1.4 M) | ||
| Document Type: Research Paper | ||
| DOI: 10.30684/etj.v38i12A.1561 | ||
| Authors | ||
| Shuruq A. Hashim; Muna M. Jawad* ; Bassam M.S Wheedd | ||
| Control and Systems Eng. Dept., Baghdad, Iraq | ||
| Abstract | ||
| Directional sensors in wireless visual sensor networks attract growing attention as a promising tool for monitoring the real world; directional sensors consume energy for two main tasks: sensing and communication. Since a VSN contains a number of configurable visual sensors with changeable spherical sectors of restricted angle known as a field of view that is intended to monitor a number of targets located in a random manner over a given area. Therefore maximizing the network lifetime through minimizing power consumption while covering the targets remains a challenge. In this paper, the problem of obtaining a disjoint set cover includes a minimum number of camera sensors is solved. The problem is known to be NP-complete. The sustainable design is improving an existing Iterative Target Oriented Algorithm (ITOA) to cover moving targets move randomly over a given area of deployment starting from entry points reaching to exit ones in a realistic simulation. To evaluate the performance of the modified algorithm, a comparison is provided with three existing algorithms (Iterative centralized Greedy Algorithm (ICGA), Iterative Centralized Forced-directed Algorithm ICFA, and Iterative Target Oriented Algorithm ITOA). Simulation results revealed that the sustainable scheme can find a disjoint set with a minimum number of sensors covers the maximum number of moving targets in an energy-efficient way and extended network lifetime. | ||
| Keywords | ||
| Deployment; energy consumption; Field of View; Target Oriented; Targets Coverage; Wireless Visual Sensor Networks | ||
| References | ||
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