Janusz Bobulski and  Kamila Pasternak,  Analysis of Histogram Asymmetry for Waste Recognition.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    October 2023, vol. 202(10). 583 - 586
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013309.