Mar 19, 2018 . In Mineral Processing, the SPIRAL Classifier on the other hand is rotated through the ore. . All equipment has a limit on the throughput that any one is able to process, . The design of these classifiers (rake, spiral, screw) have inherent . which is semicircular in cross section) inclined to the horizontal.
for a multi stage reject classifier, wherein the stage k classifier either classifies a sample using only . function into classification and rejection decisions. We then .. late a novel multi stage expected risk minimization (ERM) problem. This ERM.