Efficient Bayesian Communication Approach for Smart Agriculture Applications

Cristanel Razafimandimby, V. Loscrí, A. Vegni, A. Neri
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引用次数: 17

Abstract

To meet the food demand of the future, farmers are turning to the Internet of Things (IoT) for advanced analytics. In this case, data generated by sensor nodes and collected by farmers on the field provide a wealth of information about soil, seeds, crops, plant diseases, etc. Therefore, the use of high tech farming techniques and IoT technology offer insights on how to optimize and increase yield. However, one major challenge that should be addressed is the huge amount of data generated by the sensing devices, which make the control of sending useless data very important. To face this challenge, we present a Bayesian Inference Approach (BIA), which allows avoiding the transmission of high spatio-temporal correlated data. In this paper, BIA is based on the PEACH project, which aims to predict frost events in peach orchards by means of dense monitoring using low-power wireless mesh networking technology. Belief Propagation algorithm has been chosen for performing an approximate inference on our model in order to reconstruct the missing sensing data. According to different scenarios, BIA is evaluated based on the data collected from real sensors deployed on the peach orchard. The results show that our proposed approach reduces drastically the number of transmitted data and the energy consumption, while maintaining an acceptable level of data prediction accuracy.
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智能农业应用中的高效贝叶斯通信方法
为了满足未来的粮食需求,农民正在转向物联网(IoT)进行高级分析。在这种情况下,由传感器节点产生并由农民在田间收集的数据提供了丰富的关于土壤、种子、作物、植物病害等信息。因此,高科技农业技术和物联网技术的使用为如何优化和提高产量提供了见解。然而,应该解决的一个主要挑战是传感设备产生的大量数据,这使得控制发送无用数据变得非常重要。为了应对这一挑战,我们提出了一种贝叶斯推理方法(BIA),该方法可以避免高时空相关数据的传输。本文以PEACH项目为基础,利用低功耗无线网状网络技术,通过密集监测的方式预测桃园霜冻事件。为了重建缺失的感知数据,我们选择了信念传播算法对模型进行近似推理。根据不同的场景,根据部署在桃园上的真实传感器收集的数据对BIA进行评估。结果表明,我们提出的方法在保持可接受的数据预测精度的同时,大大减少了传输数据的数量和能耗。
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