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	Automatic extraction of tongue coatings from digital images: a traditional Chinese medicine diagnostic tool
	Bai, L.Y. ; Shi Yundi ; Wu Jia ; Zhang Yonghong ; Wong Weiliang ; Wu Yu ; Bai Jing
	2010-10-12 ; 2010-10-12
关键词	Practical Experimental/ biological organs biomedical optical imaging feature extraction image colour analysis image segmentation image sensors medical image processing/ automatic tongue coating extraction digital images Chinese medicine diagnostic tool pathologic factors image segmentation method watershed transform camera flash threshold method Otsu model splitting-merging method RGB space HSV space color image analysis/ A8760F Optical and laser radiation (medical uses) A8770E Patient diagnostic methods and instrumentation A4230V Image processing and restoration B7510J Optical and laser radiation (biomedical imaging/measurement) B6135 Optical, image and video signal processing C7330 Biology and medical computing C5260B Computer vision and image processing techniques
中文摘要	In traditional Chinese medicine, the coating on the tongue is considered to be a reflection of various pathologic factors. However, the conventional method to examine the tongue lacks an acceptable standard and does not provide the means for sharing information. This paper describes a segmentation method to extract tongue coatings. First, the tongue body was extracted from the original image using the watershed transform. Then, a threshold method was applied to the image to eliminate the light from the camera flash. Finally, a threshold method using the Otsu model in combination with a splitting-merging method was used in the red, green, and blue (RGB) space to extract the thin coating. The combination of the above two methods is applied in the hue, saturation, and value (HSV) space to extract the thick coating. The feasibility of this method is tested by experiments, and the accuracy of segmentation is 95.9%.
语种	英语
出版者	Tsinghua University Press ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/82465]
专题	清华大学
推荐引用方式 GB/T 7714	Bai, L.Y.,Shi Yundi,Wu Jia,et al. Automatic extraction of tongue coatings from digital images: a traditional Chinese medicine diagnostic tool[J],2010, 2010.
APA	Bai, L.Y..,Shi Yundi.,Wu Jia.,Zhang Yonghong.,Wong Weiliang.,...&Bai Jing.(2010).Automatic extraction of tongue coatings from digital images: a traditional Chinese medicine diagnostic tool..
MLA	Bai, L.Y.,et al."Automatic extraction of tongue coatings from digital images: a traditional Chinese medicine diagnostic tool".(2010).

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