@article{HuWWQR16,
  author    = {Shengshan Hu and
               Qian Wang and
               Jingjun Wang and
               Zhan Qin and
               Kui Ren},
  title     = {Securing {SIFT:} Privacy-Preserving Outsourcing Computation of Feature
               Extractions Over Encrypted Image Data},
  journal   = {{IEEE} Transactions on Image Processing},
  volume    = {25},
  number    = {7},
  pages     = {3411--3425},
  year      = {2016}
}