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Aerial Visual Perception in Smart Farming: Field Study of Wheat Yellow Rust Monitoring

Su, Jinya and Yi, Dewei and Liu, Cunjia and Mi, Zhiwen and Su, Baofeng and Hu, Xiaoping and Xu, Xiangming and Guo, Lei and Chen, Wen-Hua (2020) 'Aerial Visual Perception in Smart Farming: Field Study of Wheat Yellow Rust Monitoring.' IEEE Transactions on Industrial Informatics. ISSN 1551-3203

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Abstract

Agriculture is facing severe challenges from crop stresses, threatening its sustainable development and food security. This work exploits aerial visual perception for yellow rust disease monitoring, which seamlessly integrates state-of-the-art techniques and algorithms including UAV sensing, multispectral imaging, vegetation segmentation and deep learning U-Net. A field experiment is designed by infecting winter wheat with yellow rust inoculum, on top of which multispectral aerial images are captured by DJI Matrice 100 equipped with RedEdge camera. After image calibration and stitching, multispectral orthomosaic is labelled for system evaluation by inspecting high-resolution RGB images taken by Parrot Anafi Drone. The merits of the developed framework drawing spectral-spatial information concurrently are demonstrated by showing improved performance over purely spectral based classifier by the classical random forest algorithm. Moreover, various network input band combinations are tested including three RGB bands and five selected spectral vegetation indices by Sequential Forward Selection strategy of Wrapper algorithm.

Item Type: Article
Uncontrolled Keywords: Deep learning, Multispectral image, Precision agriculture, Semantic segmentation, U-Net, Unmanned Aerial Vehicle (UAV)
Divisions: Faculty of Science and Health > Computer Science and Electronic Engineering, School of
Depositing User: Elements
Date Deposited: 09 Mar 2020 14:30
Last Modified: 07 Jun 2020 21:15
URI: http://repository.essex.ac.uk/id/eprint/27051

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