MOTION: Multi-models correlation framework for energy-saving in wireless video sensor networks

IF 4.9 3区 计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
Hassan Harb , Fouad Al Tfaily , Kassem Danach , Hussein Hazimeh , Ali Jaber
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引用次数: 0

Abstract

Wireless Video Sensor Networks (WVSNs) face critical challenges in energy consumption and data bandwidth utilization due to multiple sensor nodes transmitting redundant data of the observed phenomenon. Thus, identifying and reducing such redundancies is becoming essential for extending the network lifetime and emphasizing the quality of the collected data. In this paper, we propose Multi-mOdels correlaTION framework (MOTION) that efficiently removes data duplication and conserve sensor energies in WVSNs. MOTION proposes new data reduction methods based on the temporal–spatial correlations that could be applied at different node levels, e.g. sensors and cluster-heads (CHs). At the sensor level, MOTION introduces two temporal-based correlation mechanisms to search the similarity among frames collected during each period; the first mechanism aims to detect short-term duplication, e.g. among consecutive frames, while the second one allows to detect scene changes then trigger transmissions when the variation is significant. At the second level, CH geographically groups video sensors into clusters to find the spatial correlation between them, then a scheduling strategy is applied to switch spatially-correlated ones into sleep/active modes. Extensive simulations using real-world video data sets as a benchmark are conducted to show the efficiency of the proposed framework. The results demonstrated that MOTION can reduce up to 92.4% of collected video data, leading to tremendous energy savings and network lifetime up to 74.3% compared to existing approaches.
运动:无线视频传感器网络节能的多模型相关框架
无线视频传感器网络(WVSNs)面临着能量消耗和数据带宽利用的严峻挑战,因为多个传感器节点传输冗余的观测数据。因此,识别和减少这种冗余对于延长网络生命周期和强调所收集数据的质量变得至关重要。本文提出了一种多模型相关框架(Multi-mOdels correlaTION framework, MOTION),可以有效地消除wvns中的数据重复,节约传感器能量。MOTION提出了新的基于时空相关性的数据缩减方法,可以应用于不同的节点级别,例如传感器和簇头(CHs)。在传感器层面,MOTION引入了两种基于时间的关联机制来搜索每个时间段内采集的帧之间的相似性;第一种机制旨在检测短期重复,例如在连续帧之间,而第二种机制允许检测场景变化,然后在变化显著时触发传输。在第二层,CH将视频传感器按地理位置分组,找到它们之间的空间相关性,然后采用调度策略将空间相关的视频传感器切换到睡眠/活动模式。以真实世界的视频数据集为基准进行了大量的仿真,以证明所提出框架的有效性。结果表明,与现有方法相比,MOTION可以减少高达92.4%的收集视频数据,从而节省大量能源,网络寿命高达74.3%。
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来源期刊
Computers & Electrical Engineering
Computers & Electrical Engineering 工程技术-工程:电子与电气
CiteScore
9.20
自引率
7.00%
发文量
661
审稿时长
47 days
期刊介绍: The impact of computers has nowhere been more revolutionary than in electrical engineering. The design, analysis, and operation of electrical and electronic systems are now dominated by computers, a transformation that has been motivated by the natural ease of interface between computers and electrical systems, and the promise of spectacular improvements in speed and efficiency. Published since 1973, Computers & Electrical Engineering provides rapid publication of topical research into the integration of computer technology and computational techniques with electrical and electronic systems. The journal publishes papers featuring novel implementations of computers and computational techniques in areas like signal and image processing, high-performance computing, parallel processing, and communications. Special attention will be paid to papers describing innovative architectures, algorithms, and software tools.
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