WASET
    T. N. Janakiraman and  P. V. S. S. R. Chandra Mouli,  Color Image Edge Detection using Pseudo-Complement and Matrix Operations.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    June 2008, vol. 18(6). 328 - 332
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/2069.