Using skew Gabor filter in source signal separation and local spectral orientation analysis
@Article{yu05ivc,
  author = 	 {W. Yu and G. Sommer and K. Daniilidis and J.S. Duncan},
  title = 	 {Using skew Gabor filter in source signal separation and local spectral orientation analysis},
  journal =	 {Image and Vision Computing},
  year =	 2005,
  publisher =    {Elsevier},
  volume =       {23},
  pages =        {377-392}
}