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RISS 인기검색어
- 검색키워드
- 저자 : 도준형(Do Junhyeong) (검색결과 2 건)
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김근호(Kim Keunho),도준형(Do Junhyeong),유현희(Ryu Hyunhee),김종열(Kim Jongyeol) 한국한의학연구원 2008 한국한의학연구원논문집 Vol.14 No.3
A tongue shows physiological and clinicopathological changes of inner organs. Visual inspection of a tongue is not only convenient but also non-invasive. To develop an automatic tongue diagnosis system for an objective and standardized diagnosis, the separation of the tongue area from a facial image and the detection of coatings, spots and cracks are inevitable but difficult since the colors of a tongue, lips, and skin in a mouth as well as those of tongue furs and body are similar. The proposed method includes preprocessing with down-sampling and edge enhancement, over-segmentation, detecting positions with a local minimum over shading from the structure of a tongue, and correcting local minima or detecting edge with color difference. The proposed method produces the region of a segmented tongue, and then decomposes the color components of the region into hue, saturation and brightness, resulting in classifying the regions of tongue furs(coatings) into kinds of coatings and substance and segmenting them. Spots are detected by using local maxima and the variation of saturation, and cracks are searched by using local minima and the directivity of dark areas in brightness. The results illustrate the segmented region with effective information, excluding a non-tongue region and also give us accurate discrimination of coatings and the precise detection of spots and cracks. It can be used to make an objective and standardized diagnosis for an u-Healthcare system as well as a home care system.
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전영주(Jeon Youngju),김근호(Kim Keunho),도준형(Do Junhyeong),유현희(Ryu Hyunhee),김종열(Kim Jongyeol) 한국한의학연구원 2008 한국한의학연구원논문집 Vol.14 No.3
The tongue diagnosis is a diagnostic method in the oriental medicine that uses shape, substance, coating, and movement of the tongue to determine the condition of health and disease characteristics in human. Since this information, however, could be affected by subjective sense and visual information, it is difficult to obtain the objective and reproducible results. This research aims at building a reproducible tongue diagnosis system using color chart that is attached close to the face contact region. The picture of color chart is taken simultaneously with a tongue and applied to color revision. The system, in addition, is focused on providing a clear tongue image through securing a sufficient photographing distance with a surface coating mirror. The lightning part which can suppress the reflection by sputum in maximum is implemented for the objectification and quantification of the tongue diagnosis system. The face contact region is designed for consideration of a testee's convenience. To evaluate the reproducibility of the system, the CVs (coefficient of variance, %) of L*, a* and b* of red, green and blue regions in color chart are calculated, respectively. The results of all CVs shows that the tongue diagnosis system is reliable and those consequences contribute to the objectification and quantification of the tongue diagnosis system.
ScienceON
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