Preattentive colour features by steerable filters
@InProceedings{mahlmeister95dagm,
  author = 	 "U. Mahlmeister and B. Schmidt and G. Sommer",
  title = 	 "Preattentive colour features by steerable filters",
  editor =	 "G. Sagerer and S. Posch and F. Kummert",
  booktitle =	 "Mustererkennung 1995. Tagungsband
                  17. DAGM--Symposium", 
  publisher = "Bielefeld, Springer--Verlag",
  year =	 1995,
  pages =        "464--472"
}