Abstract
There are several methods for measuring the particle size distribution of the comminuted minerals, but the most used in situ analysis methods are sieving and microscopic analysis due to the particle size characteristics. This paper presents the improved method of the microscopic image analysis to improve the accuracy estimating the particle size distribution of comminuted minerals. The image processing methods we used are microscopic image stitching, individual particle segmentation with watershed and deep learning and individual particle weight estimation with shape factor. We experimented with three samples, namely ferruginous quartzite, coal and magnetite, for estimation of the particle size distribution, and confirmed to improve the accuracy estimation through comparison with sieving test.
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Ro, S., Jon, J. & Ryu, K. A method for improving the estimation accuracy of the particle size distribution of the minerals using image analysis. Comp. Part. Mech. 10, 929–941 (2023). https://doi.org/10.1007/s40571-022-00538-x
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DOI: https://doi.org/10.1007/s40571-022-00538-x