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KMID : 0608520090150020093
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Korean Journal of Oriental Medicine
2009 Volume.15 No. 2 p.93 ~ p.100
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Improvement and Limitations in the Sasang Constitution Diagnosis by the Instrument-based Pulse Diagnosis
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Kim Jae-Uk
Kim Sung-Hun
Lee Yu-Jung
Jeon Young-Ju
Kim Keun-Ho
Kim Jong-Yeol
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Abstract
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Recently, there have been emerging research activities in classifying the Sasang constitution objectively by machine-based methods. The concordance rate of the classification by the pulse wave features was, however, only around 50% up to now. In this paper, we introduce a novel classification algorithm that can promote the accuracy substantially at the expense of the non-classifiable subgroup as a byproduct. For instance, with the pulse wave features alone, we show that female/male subject group in their 20s can be classified into the Sasang constitution group with the concordance rate of 68.4%/65.5% for a subgroup of 57/29(31%/15%) subjects out of 184/195, by leaving the other subjects as the non-classifiable group. Next, we show that the pulse diagnosis has been used only as a supportive tool in determining one’s constitution, and consequently the accuracy of the concordance ratio by the pulse wave features alone cannot exceed a finite value, which we estimate to be about 60%.
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KEYWORD
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Oriental medicine, Sasang constitution, Pulse diagnosis, Pulse analyzer
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