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Development of a Lightweight Crop Disease Image Identification Model Based on Attentional Feature Fusion

文献类型： 外文期刊

作者： Cheng, Zekai 1 ; Liu, Meifang 1 ; Qian, Rong 2 ; Huang, Rongqing 1 ; Dong, Wei 2 ;

作者机构： 1.Anhui Univ Technol, Sch Comp Sci & Technol, Maanshan 243032, Peoples R China

2.Anhui Acad Agr Sci, Inst Agr Econ & Informat, Hefei 230031, Peoples R China

关键词： crop diseases identification; ResNet18; DSGIResNet_AFF; lightweight residual blocks; inverted residual blocks; attentional feature fusion

期刊名称：SENSORS （ 影响因子：3.847； 五年影响因子：4.05 ）

ISSN：

年卷期： 2022 年 22 卷 15 期

页码：

收录情况： SCI

摘要： Crop diseases are one of the important factors affecting crop yield and quality and are also an important research target in the field of agriculture. In order to quickly and accurately identify crop diseases, help farmers to control crop diseases in time, and reduce crop losses. Inspired by the application of convolutional neural networks in image identification, we propose a lightweight crop disease image identification model based on attentional feature fusion named DSGIResNet_AFF, which introduces self-built lightweight residual blocks, inverted residuals blocks, and attentional feature fusion modules on the basis of ResNet18. We apply the model to the identification of rice and corn diseases, and the results show the effectiveness of the model on the real dataset. Additionally, the model is compared with other convolutional neural networks (AlexNet, VGG16, ShuffleNetV2, MobileNetV2, MobileNetV3-Small and MobileNetV3-Large), and the experimental results show that the accuracy, sensitivity, F1-score, AUC of the proposed model DSGIResNet_AFF are 98.30%, 98.23%, 98.24%, 99.97%, respectively, which are better than other network models, while the complexity of the model is significantly reduced (compared with the basic model ResNet18, the number of parameters is reduced by 94.10%, and the floating point of operations(FLOPs) is reduced by 86.13%). The network model DSGIResNet_AFF can be applied to mobile devices and become a useful tool for identifying crop diseases.

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