@InProceedings{ sur13illumination,
  author = 	 {F. Sur},
  title = 	 {Illumination-invariant representation for natural colour images through SIFT matching},
  booktitle = {Proceedings of the IEEE International Conference on Acoustics, Speech, and Signal Processing (ICASSP)},
  year = 	 {2013},
  pages={1962-1966}, 
  address = 	 {Vancouver, British Columbia, Canada}
}