Ahmed Rekik and  Mourad Zribi and  Ahmed Ben Hamida and  Mohamed Benjelloun,  An Optimal Unsupervised Satellite image Segmentation Approach Based on Pearson System and k-Means Clustering Algorithm Initialization.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2009, vol. 35(11). 2181 - 2188
    [viewed 31 May 2020]. Available from: https://publications.waset.org/pdf/15670.