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KMID : 1137820210420050201
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의공학회지
2021 Volume.42 No. 5 p.201 ~ p.210
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Tongue Image Segmentation Using CNN and Various Image Augmentation Techniques
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Ahn Il-Koo
Bae Kwang-Ho
Lee Si-Woo
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Abstract
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In Korean medicine, tongue diagnosis is one of the important diagnostic methods for diagnosing abnor- malities in the body. Representative features that are used in the tongue diagnosis include color, shape, texture, cracks, and tooth marks. When diagnosing a patient through these features, the diagnosis criteria may be different for each oriental medical doctor, and even the same person may have different diagnosis results depending on time and work environment. In order to overcome this problem, recent studies to automate and standardize tongue diag- nosis using machine learning are continuing and the basic process of such a machine learning-based tongue diagnosis system is tongue segmentation. In this paper, image data is augmented based on the main tongue features, and back- bones of various famous deep learning architecture models are used for automatic tongue segmentation. The exper- imental results show that the proposed augmentation technique improves the accuracy of tongue segmentation, and that automatic tongue segmentation can be performed with a high accuracy of 99.12%.
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KEYWORD
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Tongue segmentation, Tongue diagnosis, Image augmentation, Transfer learning, Convolutional neural network
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