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    Machine vision-based motion estimation of flotation froth using mutual information

    Access Status
    Fulltext not available
    Authors
    Amankwah, A.
    Aldrich, Chris
    Date
    2011
    Type
    Conference Paper
    
    Metadata
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    Citation
    Amankwah, A. and Aldrich, C. 2011. Machine vision-based motion estimation of flotation froth using mutual information, in Hamza, M. (ed), Proceedings of the 2nd IASTED International Conference on Biomechanics: Robotics 2011, Nov 7-9, pp. 338-344. Pittsburgh, PA: IASTED.
    Source Title
    Proceedings of the 2nd IASTED International Conference on Robotics, Robo 2011
    DOI
    10.2316/P.2011.752-060
    ISBN
    9780889869035
    School
    Dept of Mining Eng & Metallurgical Eng
    URI
    http://hdl.handle.net/20.500.11937/22072
    Collection
    • Curtin Research Publications
    Abstract

    The motion estimation of froths in the flotation of minerals is difficult due to the effects of bubble deformation, bursting and merging making it difficult for the traditional machine vision methods to estimate the froth velocity. In this paper, we propose a new method for the motion estimation of flotation froth using mutual information with a bin size of two (MI2) as the block matching metric. Experimental results show that the proposed motion estimation technique improves the motion estimation accuracy in terms of peak signal-to-noise ratio of the reconstructed frame. The computational cost of the proposed method is almost the same as the standard machine vision methods used for the motion estimation of flotation froth.

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