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January 2015
Volume 67    Issue 1

A portable device for mine face rock fragmentation analysis

Mining Engineering, 2015, Vol. 67, No. 1, pp. 16-16
Sameit, B.; Ziraknejad, N.; Azmin, A.; Bell, I.; Chow, S.; Tafazolli, S.


PREVIEW:

Blast engineers have been taking advantage of image-based rock fragmentation analysis methods for the past three decades to estimate rock size distributions. These methods utilize a range of image segmentation techniques, from manual to fully-automated, to delineate the edges of rocks in images. Rock delineation results are then converted to physical rock sizes (and percentage passing curves) by scaling the image pixels to correspond to physical measurements.
 



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