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Microvascular red blood cell velocity measurement using the image gradient method

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6 Author(s)
Umetani, J. ; Dept. of Electr. Eng., Keio Univ., Kanagawa, Japan ; Yuzawa, C. ; Okada, E. ; Sekizuka, E.
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An image analysis system is described for the measurement of the blood velocity and the flow profile in microcirculation. It uses a super-high-speed video tape recorder (100 frames/s) and the image gradient method. The measured mean red blood cell velocity of the microvessels (venules having diameters of 15-40 μm) is 0.7-4.0 mm/s and the measured mean flow volume is 0.7-5.0×10-3 mm 3/s. A flow chart of the image processing algorithm and results which show the velocity vectors and temporal change of the red blood cell velocity are given

Published in:

Engineering in Medicine and Biology Society, 1989. Images of the Twenty-First Century., Proceedings of the Annual International Conference of the IEEE Engineering in

Date of Conference:

9-12 Nov 1989