1. Moolman, D.W., Aldrich, C., Van Deventer, J.S.J.: The Interpretation of Flotation Froth Surfaces by Using Digital Image Analysis and Neural Networks. Chemical Engineering Science 50, 3501–3513 (1995)
2. Bonifazi, G., Serranti, S., Volpe, F., Zuco, R.: Characterisation of Flotation Froth Colour and Structure by Machine Vision. Computers & Geosciences 27, 1111–1117 (2001)
3. Wang, W., Bergholmb, F., Yanga, B.: Froth Delineation Based on Image Classification. Minerals Engineering 16, 1183–1192 (2003)
4. Liu, W.L., Wang, G., Wang, J., Lu, M.X.: Floating Bubbles Characters and Condition Identification. China Coal 29, 50–54 (2003) (in Chinese)
5. Lu, M.X., Yong, Y., Wang, F., Liu, W.L.: Threshold Segmentation Technology Applied to Get Physical Features of Foam Image From Slime Floatation. Coal Science and Technology 30, 34–37 (2002)