Semi-supervised few-shot learning approach for plant diseases recognition

Abstract Background Learning from a few samples to automatically recognize the plant leaf diseases is an attractive and promising study to protect the agricultural yield and quality. The existing few-shot classification studies in agriculture are mainly based on supervised learning schemes, ignoring...

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Main Authors: Yang Li, Xuewei Chao
Format: Article
Language:English
Published: BMC 2021-06-01
Series:Plant Methods
Subjects:
Online Access:https://doi.org/10.1186/s13007-021-00770-1
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author Yang Li
Xuewei Chao
author_facet Yang Li
Xuewei Chao
author_sort Yang Li
collection DOAJ
description Abstract Background Learning from a few samples to automatically recognize the plant leaf diseases is an attractive and promising study to protect the agricultural yield and quality. The existing few-shot classification studies in agriculture are mainly based on supervised learning schemes, ignoring unlabeled data's helpful information. Methods In this paper, we proposed a semi-supervised few-shot learning approach to solve the plant leaf diseases recognition. Specifically, the public PlantVillage dataset is used and split into the source domain and target domain. Extensive comparison experiments considering the domain split and few-shot parameters (N-way, k-shot) were carried out to validate the correctness and generalization of proposed semi-supervised few-shot methods. In terms of selecting pseudo-labeled samples in the semi-supervised process, we adopted the confidence interval to determine the number of unlabeled samples for pseudo-labelling adaptively. Results The average improvement by the single semi-supervised method is 2.8%, and that by the iterative semi-supervised method is 4.6%. Conclusions The proposed methods can outperform other related works with fewer labeled training data.
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spelling doaj.art-be32d18393f8451dade0f8d6b56e7b892022-12-21T20:04:16ZengBMCPlant Methods1746-48112021-06-0117111010.1186/s13007-021-00770-1Semi-supervised few-shot learning approach for plant diseases recognitionYang Li0Xuewei Chao1College of Mechanical and Electrical Engineering, Shihezi UniversityCollege of Mechanical and Electrical Engineering, Shihezi UniversityAbstract Background Learning from a few samples to automatically recognize the plant leaf diseases is an attractive and promising study to protect the agricultural yield and quality. The existing few-shot classification studies in agriculture are mainly based on supervised learning schemes, ignoring unlabeled data's helpful information. Methods In this paper, we proposed a semi-supervised few-shot learning approach to solve the plant leaf diseases recognition. Specifically, the public PlantVillage dataset is used and split into the source domain and target domain. Extensive comparison experiments considering the domain split and few-shot parameters (N-way, k-shot) were carried out to validate the correctness and generalization of proposed semi-supervised few-shot methods. In terms of selecting pseudo-labeled samples in the semi-supervised process, we adopted the confidence interval to determine the number of unlabeled samples for pseudo-labelling adaptively. Results The average improvement by the single semi-supervised method is 2.8%, and that by the iterative semi-supervised method is 4.6%. Conclusions The proposed methods can outperform other related works with fewer labeled training data.https://doi.org/10.1186/s13007-021-00770-1ClassificationTransfer learningSelf-adaptionDeep learning
spellingShingle Yang Li
Xuewei Chao
Semi-supervised few-shot learning approach for plant diseases recognition
Plant Methods
Classification
Transfer learning
Self-adaption
Deep learning
title Semi-supervised few-shot learning approach for plant diseases recognition
title_full Semi-supervised few-shot learning approach for plant diseases recognition
title_fullStr Semi-supervised few-shot learning approach for plant diseases recognition
title_full_unstemmed Semi-supervised few-shot learning approach for plant diseases recognition
title_short Semi-supervised few-shot learning approach for plant diseases recognition
title_sort semi supervised few shot learning approach for plant diseases recognition
topic Classification
Transfer learning
Self-adaption
Deep learning
url https://doi.org/10.1186/s13007-021-00770-1
work_keys_str_mv AT yangli semisupervisedfewshotlearningapproachforplantdiseasesrecognition
AT xueweichao semisupervisedfewshotlearningapproachforplantdiseasesrecognition