Tea Disease Recognition Based on Image Segmentation and Data Augmentation

Accurate identification of tea leaf diseases is crucial for intelligent tea cultivation and monitoring. However, the complex environment of tea plantations—affected by weather variations and uneven lighting—poses significant challenges for building effective disease recognition...

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Main Authors: Ji Li, Chenyi Liao
Format: Article
Language:English
Published: IEEE 2025-01-01
Series:IEEE Access
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Online Access:https://ieeexplore.ieee.org/document/10852315/
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author Ji Li
Chenyi Liao
author_facet Ji Li
Chenyi Liao
author_sort Ji Li
collection DOAJ
description Accurate identification of tea leaf diseases is crucial for intelligent tea cultivation and monitoring. However, the complex environment of tea plantations—affected by weather variations and uneven lighting—poses significant challenges for building effective disease recognition models using raw field-captured images. To address this, we propose a method that combines two-stage image segmentation with an improved conditional generative adversarial network (IC-GAN). The two-stage segmentation approach, integrating graph cuts and support vector machines (SVM), effectively isolates disease regions from complex backgrounds. The IC-GAN augments the dataset by generating high-quality synthetic disease images for model training. Finally, an Inception Embedded Pooling Convolutional Neural Network (IDCNN) is developed for disease recognition. Experimental results demonstrate that the segmentation method improves recognition accuracy from 53.36% to 75.63%, while the IC-GAN increases the dataset size. The IDCNN achieves 97.66% accuracy, 97.36% recall, and a 96.98% F1 score across three types of tea diseases. Comparative evaluations on two additional datasets further confirm the method’s robustness and accuracy, offering a practical solution to reduce tea production losses and improve quality.
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spelling doaj-art-6ec2d86524e3487a9b84fc30cd3cadec2025-01-31T23:04:38ZengIEEEIEEE Access2169-35362025-01-0113196641967710.1109/ACCESS.2025.353402410852315Tea Disease Recognition Based on Image Segmentation and Data AugmentationJi Li0https://orcid.org/0009-0000-3816-165XChenyi Liao1https://orcid.org/0009-0007-7191-3607College of Bioscience and Biotechnology, Hunan Agricultural University, Changsha, ChinaSchool of Environmental and Chemical Engineering, Foshan University, Foshan, ChinaAccurate identification of tea leaf diseases is crucial for intelligent tea cultivation and monitoring. However, the complex environment of tea plantations—affected by weather variations and uneven lighting—poses significant challenges for building effective disease recognition models using raw field-captured images. To address this, we propose a method that combines two-stage image segmentation with an improved conditional generative adversarial network (IC-GAN). The two-stage segmentation approach, integrating graph cuts and support vector machines (SVM), effectively isolates disease regions from complex backgrounds. The IC-GAN augments the dataset by generating high-quality synthetic disease images for model training. Finally, an Inception Embedded Pooling Convolutional Neural Network (IDCNN) is developed for disease recognition. Experimental results demonstrate that the segmentation method improves recognition accuracy from 53.36% to 75.63%, while the IC-GAN increases the dataset size. The IDCNN achieves 97.66% accuracy, 97.36% recall, and a 96.98% F1 score across three types of tea diseases. Comparative evaluations on two additional datasets further confirm the method’s robustness and accuracy, offering a practical solution to reduce tea production losses and improve quality.https://ieeexplore.ieee.org/document/10852315/Conditional generative adversarial networkdisease recognitiondeep learningimage generation
spellingShingle Ji Li
Chenyi Liao
Tea Disease Recognition Based on Image Segmentation and Data Augmentation
IEEE Access
Conditional generative adversarial network
disease recognition
deep learning
image generation
title Tea Disease Recognition Based on Image Segmentation and Data Augmentation
title_full Tea Disease Recognition Based on Image Segmentation and Data Augmentation
title_fullStr Tea Disease Recognition Based on Image Segmentation and Data Augmentation
title_full_unstemmed Tea Disease Recognition Based on Image Segmentation and Data Augmentation
title_short Tea Disease Recognition Based on Image Segmentation and Data Augmentation
title_sort tea disease recognition based on image segmentation and data augmentation
topic Conditional generative adversarial network
disease recognition
deep learning
image generation
url https://ieeexplore.ieee.org/document/10852315/
work_keys_str_mv AT jili teadiseaserecognitionbasedonimagesegmentationanddataaugmentation
AT chenyiliao teadiseaserecognitionbasedonimagesegmentationanddataaugmentation