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New developments in UAV remote sensing for pest management and the implications for cotton

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Puig, E., Gonzalez, F., Hamilton, G. and Grundy, P. R. (2015) New developments in UAV remote sensing for pest management and the implications for cotton. In: 2nd Australian Cotton Research Conference, Toowoomba.

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Efficient crop monitoring and pest damage assessments are key to protecting the Australian agricultural industry and ensuring its leading position internationally. An important element in pest detection is gathering reliable crop data frequently and integrating analysis tools for decision making. Unmanned aerial systems are emerging as a cost-effective solution to a number of precision agriculture challenges. An important advantage of this technology is it provides a non-invasive aerial sensor platform to accurately monitor broad acre crops. In this presentation, we will give an overview on how unmanned aerial systems and machine learning can be combined to address crop protection challenges. A recent 2015 study on insect damage in sorghum will illustrate the effectiveness of this methodology. A UAV platform equipped with a high-resolution camera was deployed to autonomously perform a flight pattern over the target area. We describe the image processing pipeline implemented to create a georeferenced orthoimage and visualize the spatial distribution of the damage. An image analysis tool has been developed to minimize human input requirements. The computer program is based on a machine learning algorithm that automatically creates a meaningful partition of the image into clusters.
Results show the algorithm delivers decision boundaries that accurately classify the field into crop health levels. The methodology presented in this paper represents a venue for further research towards automated crop protection assessments in the cotton industry, with applications in detecting, quantifying and monitoring the presence of mealybugs, mites and aphid pests.

Item Type:Conference or Workshop Item (Paper)
Business groups:Crop and Food Science
Subjects:Plant culture > Field crops > Textile and fibre plants
Plant pests and diseases
Live Archive:21 Jul 2016 02:09
Last Modified:20 Jun 2024 03:41

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