Automated Monitoring of Livestock Behavior Using Frequency-Modulated Continuous-Wave Radars

IF 0.7 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC
D. Henry, H. Aubert, E. Ricard, D. Hazard, M. Lihoreau
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引用次数: 6

Abstract

In animal production, behavioral selection is becoming increasingly important to improvethe docility of livestock. Several behavioral traits, including motion, are experimentally recorded in orderto characterize the reactivity of animals and investigate its genetic determinism. Behavioral analysesare often time consuming because large numbers of animals have to be compared. For this reason,automatization is needed to develop high throughput data recording and efficient phenotyping. Herewe introduce a new method to monitor the position and motion of an individual sheep using a 24 GHzfrequency-modulated continuous-wave radar in a classical experimental paradigm called thearena test.The measurement method is non-invasive, does not require equipping animals with electronic tags,and offers a depth measurement resolution less than 10 cm. Parasitic echoes (or “clutters”) that couldalter the sheep backscattered signal are removed by using the singular value decomposition analysis.In order to enhance the clutters mitigation, the direction-of-arrivals of electromagnetic backscatteredsignals are derived from applying the MUltiple Signals Classification algorithm. We discuss how theproposed automatized monitoring of individual sheep could be applied to a wider range of species andexperimental contexts for animal behavior research.
利用调频连续波雷达自动监测牲畜行为
在动物生产中,行为选择对提高牲畜的温顺性越来越重要。实验记录了包括运动在内的几种行为特征,以表征动物的反应性并研究其遗传决定论。行为分析通常很耗时,因为必须对大量动物进行比较。因此,需要自动化来开发高通量数据记录和高效表型。在此,我们介绍了一种新的方法,在一种称为thearena测试的经典实验范式中,使用24GHz调频连续波雷达监测绵羊个体的位置和运动。该测量方法是非侵入性的,不需要为动物配备电子标签,深度测量分辨率低于10厘米。通过奇异值分解分析,可以去除可能改变绵羊后向散射信号的寄生回波(或“杂波”)。为了增强杂波抑制,应用多个信号分类算法推导了电磁后向散射信号的到达方向。我们讨论了如何将所提出的绵羊个体的自动化监测应用于更广泛的物种和动物行为研究的实验环境。
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来源期刊
Progress in Electromagnetics Research M
Progress in Electromagnetics Research M Materials Science-Electronic, Optical and Magnetic Materials
CiteScore
2.50
自引率
10.00%
发文量
114
期刊介绍: Progress In Electromagnetics Research (PIER) M publishes peer-reviewed original and comprehensive articles on all aspects of electromagnetic theory and applications. Especially, PIER M publishes papers on method of electromagnetics, and other topics on electromagnetic theory. It is an open access, on-line journal in 2008, and freely accessible to all readers via the Internet. Manuscripts submitted to PIER M must not have been submitted simultaneously to other journals.
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