Abstract
Using digital images of sand grain with a scanner, the training data set on minerals; quartz, feldspar, shale silicified stone and chart was made. The data set could be divided into five regions using the CIEL*a*b* color space methods. Especially color brightness and satulation are important to identity mienrals. Shapes of quartzs and feldspars are more rounder than other minerals. Filed observations were carruied out in Awaji Island and 17 samples of beach sand and 51 river were colleceted. The optimiation method was applied to estimate the impact rate from rivers toward beaches with a distance among a beach and a river. The estimated results are corresponding to the existing knowledge.
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Schedule a callMore From: Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)
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