Satyanadh Gundimada and  Vijayan K Asari,  A Novel Neighborhood Defined Feature Selection on Phase Congruency Images for Recognition of Faces with Extreme Variations.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    July 2007, vol. 7(7). 2074 - 2080
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/14595.