Yanyan Xu and  Lizhi Xiong and  Zhengquan Xu and  Li Jiang,  Secure Image Retrieval Based On Orthogonal Decomposition under Cloud Environment.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2015, vol. 101(5). 1092 - 1096
    [viewed 10 May 2024]. Available from: https://publications.waset.org/pdf/10001191.