A method for quality verification of bio-optical measurement system

  • Authors:

  • Jung-Ja Kim;Jun-Seok Park;Huynh T. Hieu;Yonggwan Won

  • Affiliations:

  • Chonnam National University, Gwangju, Korea;The School of Electronics and Computer Engineering, Chonnam National University, Gwangju, Korea;The School of Electronics and Computer Engineering, Chonnam National University, Gwangju, Korea;Chonnam National University, Gwangju, Korea and The School of Electronics and Computer Engineering, Chonnam National University, Gwangju, Korea

  • Venue:
  • AEE'06 Proceedings of the 5th WSEAS international conference on Applications of electrical engineering
  • Year:
  • 2006

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Abstract

In measuring certain biological and chemical information from the human whole blood, several parameters are involved. The measurement parameters for the whole blood are varies from one sample to another, which makes measurement of a biological parameter less consistent through repeated measurements. In this situation, it is very hard to perform a total quality assurance for a bio-optical signal acquisition system due to variation over the sample measurements because many types of error can be caused at any step of the measurement procedure. In this paper, we propose a clustering-based measurement for quality assurance for a bio-optical signal acquisition system. We defined 'Discrimination Index' used as an index for quality verification of the system. We present an experimental result for a measurement system for a bio-optical glucose sensor. For three groups of human blood samples, the experiment showed that our proposed method produced distinct values for two different sample groups, while produced similar values for two similar sample groups. Our proposed method can be also used as a generalized method for reliability verification for a signal acquisition system that measures the samples with parameters that varies from one sample to another.