IEEJ Transactions on Electronics, Information and Systems
Online ISSN : 1348-8155
Print ISSN : 0385-4221
ISSN-L : 0385-4221
<Biomedical Engineering>
Maximum Likelihood Estimation of Red Blood Cell Aggregation Degree Based on Calculation of Local Flow Vector in Blood Circuit
Takayuki SatoRyota SuzukiRyo Sunaga
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2018 Volume 138 Issue 6 Pages 655-661

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Abstract

Establishment of real-time monitoring technique for blood viscosity during extracorporeal treatment is strongly desired. We have demonstrated that the red blood cell aggregation degree, which highly correlates with the blood viscosity, can be estimated by the microscopic observation of the red blood cell over a transparent blood circuit tube and the two dimensional correlation process executed between time different images. In this paper, for estimation precision improvement, a maximum likelihood design of correlation region based on calculation of local flow vector has been attempted.

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© 2018 by the Institute of Electrical Engineers of Japan
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