When image processing for automatic counting is not feasible, counter tools in ImageJ can be used to facilitate easy manual counting. Insert a row at the top of the Excel sheet, and label the first column "Num" and the second column "Area. It works with all image types and you can interactively adjust viewing angle, perspective, scale, lighting and smoothing. So aspect ratio is the ratio of the Feret diameter of the major axis, to the largest diameter of the minor axis. The beach deposits consist primarily of coarse-grained sands to granules with pebbles, which are well-abraded by wave action on the beach Fig.
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