AI-driven crop disease detection with efficient NetB3 hybrids for sustainable agriculture

Rituraj Jain; Kuldeep  Tapodhan; Shubham  Bhalala; Yash  Jotangiya; Amar  Davda

doi:10.29194/NJES.29010103

Authors

Rituraj Jain Department of Information Technology, Marwadi University, Rajkot, Gujarat, India.
Kuldeep Tapodhan Department of Information Technology, Marwadi University, Rajkot, Gujarat, India.
Shubham Bhalala Department of Information Technology, Marwadi University, Rajkot, Gujarat, India.
Yash Jotangiya Department of Information Technology, Marwadi University, Rajkot, Gujarat, India.
Amar Davda Department of Information Technology, Marwadi University, Rajkot, Gujarat, India

DOI:

https://doi.org/10.29194/NJES.29010103

Keywords:

Convolutional Neural Networks, Deep Learning, Precision Agriculture, Sustainability, Transfer Learning

Abstract

In precision agriculture, crop disease detection can be a highly valuable undertaking in which scalable and correct solutions may save considerable amounts of money and loss of yield. This paper introduces a comparative analysis of state-of-the-art deep learning models with special attention to EfficientNetB3 hybrids, which are trained on a balanced subsample of the PlantVillage dataset with 33 classes based on nine crops. To overcome the shortcomings of the previous studies, which used unbalanced sample, a leakage-free balancing approach was used, resulting in 13,200 training and 3,300 validation samples. Custom head transfer learning was used where it was tested using two strategies; FreezeUnfreeze fine-tuning, and Singlephase training. MobileNetV2, InceptionV3, DenseNet121, GhostNet, in addition to other baseline CNNs, were compared to baseline Convolutional Neural Networks (CNNs). The findings indicate that EfficientNetB3 hybrids are superior with an accuracy of ≥99.5% and 99.9% Area Under the Curve (AUC) and specificity than the previous CNN-based systems. The paper logically defines a performance ladder between model options and real-life deployment demands, such as lightweight mobile applications to precision agriculture systems, and points out future trends in the field-based validation.

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