@inproceedings{zhen2015direct,
  title={Direct and simultaneous four-chamber volume estimation by multi-output regression},
  author={Zhen, Xiantong and Islam, Ali and Bhaduri, Mousumi and Chan, Ian and Li, Shuo},
  booktitle={International Conference on Medical Image Computing and Computer-Assisted Intervention},
  pages={669--676},
  year={2015},
  organization={Springer}
}