@article{Kopf2013,
  author = {Johannes Kopf and Ariel Shamir and Pieter Peers},
  title = {Content-Adaptive Image Downscaling},
  journal = {Transactions on Graphics (Proceedings of SIGGRAPH Asia)},
  volume = {32},
  number = {6},
  pages = {article no. 173},
  year = {2013},
}