A study of repeatability and reproducibility for tongue diagnosis instrument in TCM

Chiung Hung Chiang*, Tzung Yan Lee, Kang Ping Lin, Su Tso Yang, Juei Chao Chen, Hen Hong Chang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

We design a solid phantom with painted tongue body as a simulation of human tongue and analyze the average color distance of the phantom images to evaluate the repeatability and reproducibility of this instrument. The color difference is applied as a tolerance of Precision-to-Tolerance ratio (P/T) in QS9000. The P/T ratio of total measurement is used to indicate whether the instrument is correctly built or in good condition for continuous use. We may find some confounding factors of these instruments through this examination. The result shows the unsteady condition for image capture by the instrument or operator factors such as light, vibration, operators training and so on could be adjusted or modified. The study of repeatability and reproducibility needs to be performed when a new tongue diagnosis instrument is being introduced, and could help TCM doctors to establish a standard tongue diagnosis environment.

Original languageEnglish
Title of host publication2012 IEEE 14th International Conference on e-Health Networking, Applications and Services, Healthcom 2012
Pages1-6
Number of pages6
DOIs
StatePublished - 2012
Event2012 IEEE 14th International Conference on e-Health Networking, Applications and Services, Healthcom 2012 - Beijing, China
Duration: 10 10 201213 10 2012

Publication series

Name2012 IEEE 14th International Conference on e-Health Networking, Applications and Services, Healthcom 2012

Conference

Conference2012 IEEE 14th International Conference on e-Health Networking, Applications and Services, Healthcom 2012
Country/TerritoryChina
CityBeijing
Period10/10/1213/10/12

Keywords

  • Traditional Chinese Medicine (TCM)
  • repeatability
  • reproducibility
  • tongue diagnosis instrument

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