Bharathi P. T and  P. Subashini,  Texture Feature Extraction of Infrared River Ice Images using Second-Order Spatial Statistics.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2013, vol. 74(2). 195 - 205
    [viewed 09 May 2021]. Available from: https://publications.waset.org/pdf/14822.