Abstract
The advance of computerized image processing techniques has opened a new area in flow visualization and quantitative analysis of fluid dynamics. In this study, image analysis methods to measure blood velocity and flow profile in the microcirculation using a high speed video camera and image processing system are proposed. The image gradient method and image correlation method enable us to describe optical flow of blood flow dynamics; two dimensional velocity distribution and radial velocity profiles in the microscopic blood vessels. The results of image analysis indicate that the proposed system is very useful to measure the blood flow velocity with high temporal and spatial resolution.
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