WASET
    Kaveh Shahi and  Helmi Z. M. Shafri and  Ebrahim Taherzadeh,  A Novel Spectral Index for Automatic Shadow Detection in Urban Mapping Based On WorldView-2 Satellite Imagery.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2014, vol. 94(10). 1774 - 1777
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/9999443.