WASET
    Hui-Yu Huang and  Shih-Hang Hsu,  Face Localization and Recognition in Varied Expressions and Illumination.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    May 2012, vol. 65(5). 715 - 720
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/5662.