Moulay A. Akhloufi and  Abdelhakim Bendada,  Infrared Face Recognition Using Distance Transforms.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2008, vol. 16(4). 1002 - 1005
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/14983.