SkipResNet: Crop and Weed Recognition Based on the Improved ResNet

Wenyi Hu, Tian Chen, Chunjie Lan, Shan Liu and Lirong Yin ()
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Wenyi Hu: College of Computer Science and Cyber Security, Chengdu University of Technology, Chengdu 610059, China
Tian Chen: College of Computer Science and Cyber Security, Chengdu University of Technology, Chengdu 610059, China
Chunjie Lan: College of Computer Science and Cyber Security, Chengdu University of Technology, Chengdu 610059, China
Shan Liu: Department of Modelling, Simulation, and Visualization Engineering, Old Dominion University, Norfolk, VA 23529, USA
Lirong Yin: Department of Geography & Anthropology, Louisiana State University, Baton Rouge, LA 70803, USA

Land, 2024, vol. 13, issue 10, 1-21

Abstract: Weeds have a detrimental effect on crop yield. However, the prevailing chemical weed control methods cause pollution of the ecosystem and land. Therefore, it has become a trend to reduce dependence on herbicides; realize a sustainable, intelligent weed control method; and protect the land. In order to realize intelligent weeding, efficient and accurate crop and weed recognition is necessary. Convolutional neural networks (CNNs) are widely applied for weed and crop recognition due to their high speed and efficiency. In this paper, a multi-path input skip-residual network (SkipResNet) was put forward to upgrade the classification function of weeds and crops. It improved the residual block in the ResNet model and combined three different path selection algorithms. Experiments showed that on the plant seedling dataset, our proposed network achieved an accuracy of 95.07%, which is 0.73%, 0.37%, and 4.75% better than that of ResNet18, VGG19, and MobileNetV2, respectively. The validation results on the weed–corn dataset also showed that the algorithm can provide more accurate identification of weeds and crops, thereby reducing land contamination during the weeding process. In addition, the algorithm is generalizable and can be used in image classification in agriculture and other fields.

Keywords: weed and crop recognition; land protection; multi-path input; path selection algorithm; SkipResNet (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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