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Identification of Cotton Leaf Lesions Using Deep Learning Techniques
Rafael Faria Caldeira1,2, Wesley Esdras Santiago2, Barbara Teruel1
1Faculty of Agricultural Engineering of the University of Campinas, FEAGRI/UNICAMP, Campinas 13083-875, Brazil.
Sensors (Basel, Switzerland)
|June 2, 2021
Summary
Deep learning models accurately identify cotton leaf lesions for improved crop health monitoring. Convolutional neural networks offer a more precise and reliable method for early pest and disease detection in cotton farming.
Area of Science:
- Agricultural Science
- Computer Science
- Plant Pathology
Background:
- Cotton is a globally significant agricultural crop, vulnerable to numerous pests and diseases in tropical regions.
- Early-stage symptoms of cotton diseases are often indistinguishable, complicating timely producer intervention.
- Accurate identification of leaf lesions is crucial for effective cotton crop management.
Purpose of the Study:
- To develop and evaluate deep learning models for automated identification of cotton leaf lesions.
- To enhance the monitoring of cotton crop health and support data-driven management decisions.
- To compare the efficacy of deep learning approaches against traditional image processing techniques.
Main Methods:
- Utilized deep learning, specifically convolutional neural networks (CNNs), with GoogleNet and Resnet50 architectures.
- Trained models on field images of cotton crops to detect and classify leaf lesions.
- Benchmarked CNN performance against traditional methods like Support Vector Machines (SVM), k-Nearest Neighbors (KNN), Artificial Neural Networks (ANN), and Neuro-Fuzzy Control (NFC).
Main Results:
- Resnet50 achieved a precision of 89.2%, and GoogleNet achieved 86.6% in identifying cotton leaf lesions.
- CNNs demonstrated up to 25% greater precision compared to SVM, KNN, ANN, and NFC methods.
- The proposed deep learning solution enables more rapid and reliable inspection of cotton plants.
Conclusions:
- Deep learning models, particularly CNNs, provide a highly accurate and efficient solution for identifying cotton leaf diseases.
- This technology can significantly aid producers in early detection and management of crop health issues.
- The findings suggest a promising advancement in automated agricultural monitoring systems.

