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Cytometry. 1989 Sep;10(5):551-7.

Algorithm to estimate cell biovolume using image analyzed microscopy.

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School of Marine Science, College of William and Mary, Virginia Institute of Marine Science, Gloucester Point 23062.


This paper describes an algorithm for calculating the biovolume of cells with simple shapes, such as bacteria, flagellates, and simple ciliates, from a 2-dimensional digital image. The method can be adapted to any image analysis system which allows access to the binary cell image--(i.e., the pixels, or (x,y) points, composing the cell. The cell image is rotated to a standard orientation (horizontal), and a solid of revolution is calculated by digital integration. Verification and a critical assessment of the method are presented. The algorithm accounts for irregularities in cell shape that conventional methods based on length, width, and geometrical formulas do not.

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