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Multi-label learning for crop leaf diseases recognition and severity estimation based on convolutional neural networks

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Abstract

Crop diseases have always been a dilemma as it can cause significant diminution in both quality and quantity of agricultural yields. Thus, automatic recognition and severity estimation of crop diseases on leaves plays a crucial role in agricultural sector. In this paper, we propose a series of automatic image-based crop leaf diseases recognition and severity estimation networks, i.e., BR-CNNs, which can simultaneously recognize crop species, classify crop diseases and estimate crop diseases severity based on deep learning. BR-CNNs based on binary relevance (BR) multi-label learning algorithm and deep convolutional neural network (CNN) approaches succeed in identifying 7 crop species, 10 crop diseases types (including Healthy) and 3 crop diseases severity kinds (normal, general and serious). Compared with LP-CNNs and MLP-CNNs, the overall performance of BR-CNNs is superior. The BR-CNN based on ResNet50 achieves the best test accuracy of 86.70%, which demonstrates the feasibility and effectiveness of our network. The BR-CNN based on the light-weight NasNet also achieves excellent test accuracy of 85.28%, which can provide more possibilities for the development of mobile systems and devices.

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Acknowledgements

This work was supported by the Public Welfare Industry (Agriculture) Research Projects Level-2 under Grant 201503116-04-06; Postdoctoral Foundation of Heilongjiang Province under Grant LBHZ15020; Harbin Applied Technology Research and Development Program under Grant 2017RAQXJ096; and National Key Application Research and Development Program in China under Grant 2018YFD0300105-2.

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Correspondence to Qiufeng Wu.

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Communicated by V. Loia.

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Ji, M., Zhang, K., Wu, Q. et al. Multi-label learning for crop leaf diseases recognition and severity estimation based on convolutional neural networks. Soft Comput 24, 15327–15340 (2020). https://doi.org/10.1007/s00500-020-04866-z

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  • DOI: https://doi.org/10.1007/s00500-020-04866-z

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