Improving photo composition elegantly: Considering image similarity during composition optimization

@article {guo_photoopt_cgf,
  title={Improving photo composition elegantly: Considering image similarity during composition optimization},
  author={Yanwen Guo and Ming Liu and Tingting Gu and Wenping Wang},
  journal ={Computer Graphics Forum (Pacific Graphics 2012)},
  volume={31},
  number={7},
  pages={2193--2202},
  year={2012}
}