2012 ©
             Publication
Journal Publication
Title of Article Distributed Image Compression Architecture over Wireless Multimedia Sensor Networks 
Date of Acceptance 15 November 2017 
Journal
     Title of Journal Wireless Communications and Mobile Computing 
     Standard ISI 
     Institute of Journal Hindawi Publishing Corporation 
     ISBN/ISSN  
     Volume 2017 
     Issue 5471721 
     Month December
     Year of Publication 2017 
     Page 21 
     Abstract In a wireless multimedia sensor network (WMSN), the minimization of network energy consumption is a crucial task not just for scalar data but also for multimedia. In this network, a camera node (CN) captures images and transmits them to a base station (BS). Several sensor nodes (SNs) are also placed throughout the network to facilitate the proper functioning of the network. Transmitting an image requires a large amount of energy due to the image size and distance; however, SNs are resource constrained. Image compression is used to scale down image size; however, it is accompanied by a computational complexity trade-off. Moreover, direct image transmission to a BS requires more energy. Thus, in this paper, we present a distributed image compression architecture over WMSN for prolonging the overall network lifetime (at high throughput). Our scheme consists of three subtasks: determining the optimal camera radius for prolonging the CN lifetime, distributing image compression tasks among the potential SNs to balance the energy, and, finally, adopting a multihop hierarchical routing scheme to reduce the long-distance transmission energy. Simulation results show that our scheme can prolong the overall network lifetime and achieve high throughput, in comparison with a traditional routing scheme and its state-of-the-art variants. 
     Keyword Distributed image compression, Multi-hop networks, Optimal camera radius, Wireless sensor networks, Wireless multimedia sensor networks 
Author
597020067-9 Mr. SOVANNARITH HENG [Main Author]
College of Computing Doctoral Degree

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Level of Publication นานาชาติ 
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