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<p>Banana is a key staple crop in the world, but its yield is very desperately affected by the leaf diseases like Sigatoka, Fusarium Wilt, and Cordana, which bring serious losses of yield and economy. The manual disease detection methods deployed in the past are time and labor-intensive and cannot be effective in the field, so powerful automated solutions are sought. In this paper, we have presented a hybrid deep learning architecture which combines MobileNetV2 and ResNet101 with attention, dilated convolutions, multi-scale feature pooling and PCA-based feature fusion to classify banana leaf disease accurately and efficiently. The Banana and Banana Leaf, Banana Disease Recognition, and Banana LSD three benchmark datasets have been trained and evaluated following an innovative preprocessing pipeline that consists of illumination correction, background suppression, denoising, and hi-tech data augmentation. The experimental findings have shown that the presented hybrid model is always better than ten state-of-the-art deep learning models, such as VGG16, ResNet50, DenseNet121, EfficientNet-B0, and Vision Transformer (ViT). It has reached an optimal accuracy of 98.28, precision of 98.18, recall of 98.77 and F1-score of 98.43, with only 12.7&#xa0;M trainable parameters and convergence rate of only 15 epochs, which makes the model both high-accuracy and computationally efficient.</p>

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Attention enhanced hybrid deep learning architecture with PCA-based feature fusion for banana leaf disease detection

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年4月14日

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  • Hongyi Du,
  • Hua Yang,
  • Zhidong Zhang,
  • Jinjing Wang

摘要

Banana is a key staple crop in the world, but its yield is very desperately affected by the leaf diseases like Sigatoka, Fusarium Wilt, and Cordana, which bring serious losses of yield and economy. The manual disease detection methods deployed in the past are time and labor-intensive and cannot be effective in the field, so powerful automated solutions are sought. In this paper, we have presented a hybrid deep learning architecture which combines MobileNetV2 and ResNet101 with attention, dilated convolutions, multi-scale feature pooling and PCA-based feature fusion to classify banana leaf disease accurately and efficiently. The Banana and Banana Leaf, Banana Disease Recognition, and Banana LSD three benchmark datasets have been trained and evaluated following an innovative preprocessing pipeline that consists of illumination correction, background suppression, denoising, and hi-tech data augmentation. The experimental findings have shown that the presented hybrid model is always better than ten state-of-the-art deep learning models, such as VGG16, ResNet50, DenseNet121, EfficientNet-B0, and Vision Transformer (ViT). It has reached an optimal accuracy of 98.28, precision of 98.18, recall of 98.77 and F1-score of 98.43, with only 12.7 M trainable parameters and convergence rate of only 15 epochs, which makes the model both high-accuracy and computationally efficient.