Article ; Online: Robust Coffee Rust Detection Using UAV-Based Aerial RGB Imagery
AgriEngineering. 2023 Aug. 21, v. 5, no. 3 p.1415-1431
2023
Abstract: Timely detection of pests and diseases in crops is essential to mitigate severe damage and economic losses, especially in the context of climate change. This paper describes a method for detecting the presence of coffee leaf rust (CLR) using two ... ...
Abstract | Timely detection of pests and diseases in crops is essential to mitigate severe damage and economic losses, especially in the context of climate change. This paper describes a method for detecting the presence of coffee leaf rust (CLR) using two databases: RoCoLe and a database obtained from an unmanned aerial vehicle (UAV) equipped with an RGB camera. The developed method follows a two-stage approach. In the first stage, images are processed using ImageJ software, while, in the second phase, Python is used to implement morphological filters and the Hough transform for rust identification. The algorithm’s performance is evaluated using the chi-square test, and its discriminatory capacity is assessed through the generation of a Receiver Operating Characteristic (ROC) curve. Additionally, Cohen’s kappa method is used to assess the agreement among observers, while Kendall’s rank correlation coefficient (KRCC) measures the correlation between the criteria of the observers and the classifications generated by the method. The results demonstrate that the developed method achieved an efficiency of 97% in detecting coffee rust in the RoCoLe dataset and over 93.5% in UAV images. These findings suggest that the developed method has the potential to be implemented in the future on a UAV for rust detection. |
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Keywords | algorithms ; cameras ; chi-square distribution ; climate change ; computer software ; data collection ; databases ; leaf rust ; unmanned aerial vehicles |
Language | English |
Dates of publication | 2023-0821 |
Size | p. 1415-1431. |
Publishing place | Multidisciplinary Digital Publishing Institute |
Document type | Article ; Online |
ISSN | 2624-7402 |
DOI | 10.3390/agriengineering5030088 |
Database | NAL-Catalogue (AGRICOLA) |
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