Microvascular red blood cell velocity measurement using the image gradient method

Author

Umetani, Jun ; Yuzawa, Chikayoshi ; Okada, Eiji ; Sekizuka, Eiichi ; Oshio, Chikara ; Minamitani, Haruyuki

Author_Institution

Dept. of Electr. Eng., Keio Univ., Kanagawa, Japan

fYear

1989

Firstpage

624

Abstract

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

Keywords

biological techniques and instruments; biorheology; blood; cellular transport and dynamics; velocity measurement; 15 to 40 micron; biological technique; flow profile; haemorheology; image analysis system; image gradient method; image processing algorithm; microvascular red blood cell velocity measurement; super-high-speed video tape recorder; venules; Blood flow; Fluid flow measurement; Gradient methods; High speed optical techniques; Image analysis; Image processing; Microscopy; Pixel; Red blood cells; Velocity measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

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

Conference_Location

Seattle, WA

Type

conf

DOI

10.1109/IEMBS.1989.95904

Filename

95904