5Hargrave J M,Hall S T.Diagnosis of concentrate grade and mass flowrate in tin flotation from colour and surface texture analysis[J].Mineral Engineering,1997,10(6):623-621.
6Moolman D W,Aldrich C,Van Deventer J S J,et al.Digital image processing as a tool for on-line monitoring froth in floating plants[J].Mineral Engineering,1994,7(9):1149-1164.
7Antti J Niemi,Raimo Ylinen,Heikki Hy tyniemi.On characterization of pulp and froth in cells of flotation plant[J].Int.J.Mineral Process,1997,(51):51-65.
8Wang W, Bergholm F, Yang B.Froth delineation based on image classification[J].Minerals Engineering, 2003(16):1183-1192.
9Caglar C, Zeki A, Ridvan B.Off- line image analysis for froth flotation of coal[J]. Computers & Chemical Engineering, 2004(28):625-632.
10Gao XB,Lu Wj,Li XL. Wavelet--based contuorlet inquality evalution of digital images[J].Neurocomputing,2008,(1-3):378-385.
