@inproceedings{qin2014breast,
  title={Breast tissue classification in digital tomosynthesis images based on global gradient minimization and texture features},
  author={Qin, Xulei and Lu, Guolan and Sechopoulos, Ioannis and Fei, Baowei},
  booktitle={Medical Imaging 2014: Image Processing},
  volume={9034},
  pages={90341V},
  year={2014},
  organization={International Society for Optics and Photonics}
}