@article{parra2007combination,
  title={{Combination of feature extraction methods for SVM pedestrian detection}},
  author={Parra Alonso, I. and Fernandez Llorca, D. and Sotelo, M. A. and Bergasa, L.M. and Del Toro, P.R. and Nuevo, J. and Ocana, M. and Garcia Garrido, M.A.},
  journal={IEEE Transactions on Intelligent Transportation Systems},
  volume={8},
  number={2},
  pages={292--307},
  year={2007},
  publisher={Institute of Electrical and Electronics Engineers}
}