Ahmed Zaafouri and  Mounir Sayadi and  Farhat Fnaiech,  Edge Segmentation of Satellite Image using Phase Congruency Model.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2010, vol. 37(1). 102 - 107
    [viewed 27 May 2020]. Available from: https://publications.waset.org/pdf/1135.