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The Algorithm of Estimating the Bubble Size Distribution Characteristics of the Foam Image

The algorithm of estimating bubble size distribution of the froth image is a key process to realize automation control in related fields. A statistic model of bubble size distribution in the froth image, based on uniform scanning and edge analysis, is established with algorithms of estimating the average deviation angles and average eccentricity as well as estimating the size distribution of round and elliptical bubbles. The simulation results show that the bubbles’ transversal width distribution is similar to the size distribution, and the calculation result of estimating the elliptical bubbles’ distribution is closer to the actual value than that of the method for estimating round bubbles’ distribution.