@inproceedings{i3d2011ci,
  title = {Image-space Constraints for Controlling Camera Interpolation},
  author = {Ross Sowell and Tom Erez and Emily Feder and Cindy Grimm and Jianqi Xing and Leon Barrett},
  booktitle = {Symposium on Interactive 3D Graphics and Games},
  pages = {205},
  publisher = {ACM},
  note = {The full version can be found here.},
  month = {August},
  year = {2011}
}