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Yusuf Ibrahim
Universitas Pasundan
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Social Sciences Other

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Journal : Journal of Computing Theories and Applications

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EDANet: A Novel Architecture Combining Depthwise Separable Convolutions and Hybrid Attention for Efficient Tomato Disease Recognition Ibrahim, Yusuf; O. Momoh, Muyideen; O. Shobowale, Kafayat; Mukhtar Abubakar, Zainab; Yahaya, Basira
Journal of Computing Theories and Applications Vol. 3 No. 2 (2025): JCTA 3(2) 2025
Publisher : Universitas Dian Nuswantoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62411/jcta.14620

Abstract

Tomato crop yields face significant threats from plant diseases, with existing deep learning solutions often computationally prohibitive for resource-constrained agricultural settings; to address this gap, we propose Efficient Disease Attention Network (EDANet), a novel lightweight architecture combining depthwise separable convolutions with hybrid attention mechanisms for efficient Tomato disease recognition. Our approach integrates channel and spatial attention within hierarchical blocks to prioritize symptomatic regions while utilizing depthwise decomposition to reduce parameters to only 104,043 (multiple times smaller than MobileNet and EfficientNet). Evaluated on ten tomato disease classes from PlantVillage, EDANet achieves 97.32% accuracy and exceptional (~1.00) micro-AUC, with perfect recognition of Mosaic virus (100% F1-score) and robust performance on challenging cases like Early blight (93.2% F1) and Target Spot (93.6% F1). The architecture processes 128×128 RGB images in ~23ms on standard CPUs, enabling real-time field diagnostics without GPU dependencies. This work bridges laboratory AI and practical farm deployment by optimizing the accuracy-efficiency tradeoff, providing farmers with an accessible tool for early disease intervention in resource-limited environments.
A Lightweight Maize Leaf Disease Recognition Using PCA-Compressed MobileNetV2 Features and RBF-SVM Abubakar, Mustapha; Ibrahim, Yusuf; Ajayi, Ore-Ofe; Saminu, Sani Saleh
Journal of Computing Theories and Applications Vol. 3 No. 3 (2026): JCTA 3(3) 2026
Publisher : Universitas Dian Nuswantoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62411/jcta.15675

Abstract

The integration of Artificial Intelligence (AI) into precision agriculture has significantly improved plant disease recognition; however, many existing deep learning models remain computationally expensive and feature-redundant, limiting their deployment on low-power and edge devices. To address these limitations, this study proposes a lightweight framework for maize leaf disease recognition based on serial deep feature extraction, dimensionality reduction, and machine-learning–based classification. A pre-trained MobileNetV2 network is employed as a fixed feature extractor to obtain discriminative visual representations, while Principal Component Analysis (PCA) is applied to reduce feature dimensionality by approximately 76%, retaining 95% of the original variance and improving computational efficiency. The compressed features are subsequently classified using a Radial Basis Function Support Vector Machine (RBF-SVM), optimized via grid search and cross-validation. Experiments conducted on a four-class maize leaf disease dataset (Northern Leaf Blight, Common Rust, Gray Leaf Spot, and Healthy), with class imbalance handled during training, demonstrate that the proposed MobileNetV2–PCA–SVM pipeline achieves 97.58% accuracy, 96.60% precision, 96.59% recall, and 96.59% F1-score, outperforming the DenseNet201 + Bayesian-optimized SVM baseline (94.60%, 94.40%, 94.40%, and 94.40%, respectively). This improvement corresponds to a 2.98% accuracy gain, a 55% reduction in error rate, an 86% reduction in model parameters (20.31M to 2.75M), and an 85% reduction in model size (81 MB to 12 MB). These results indicate that the proposed framework provides a compact and efficient solution with strong potential for deployment in resource-constrained agricultural environments.
Co-Authors Abdulazeez, Abdulmalik Abubakar, Muddassiru Abubakar, Mustapha Adi Rahmat Ahmad Mulyadi Ajayi, Ore-Ofe Anisa Rizki Prasasti Biela, Bening Salsa Cartono Cartono Cita Tresnawati, Cita Darta, Darta Darta, Darta Dewi Astuti Dheni Harmaen Dheni Harmaen Ernawati, Reni Fadhillah, Muhammad Alif Faiza, Anjania Muhammad fata, M. Annisul Gian Fitralisma Gurnita Supandi Ida Yayu Nurul Hizqiyah Ikmanda Nugraha Ilah Nurlaelah Jaja Suteja Junai, . Luthfia, Ihda Siti Maryadi, Ega Meily Yanti Mr. Cartono, Mr. Mukhtar Abubakar, Zainab Musa, Bilyaminu Nia Nurdiani Nurfitriyana, Yanita O. Momoh, Muyideen O. Shobowale, Kafayat Rejeki, Widi Tri Ayu Riani, Dini Salammah, Shelly Ika Nur Saminu, Sani Saleh Siti Nuraeni Siti Sholihah Nurfaidah Subari, Afta Ikhlasul Sumarlam Sumarlam, Sumarlam Trimayanti, Imas Umar, Abdulrazak Uus Toharudin Wanto Rivaie Yahaya, Basira Yahaya, Tajudeen Yanthi, Winda Dwi Yoseph Thomas