@PhdThesis{Oltmans2007Envisioning,
  author =	 {Michael Oltmans},
  title =	 {Envisioning Sketch Recognition: A Local Feature
Based Approach to Recognizing Informal Sketches},
  school =	 {Massachusetts Institute of Technology},
  year =	 {2007},
  month =	 {May},
  address = 	 {Cambridge, MA},
  OPTkeywords =	 {General Sketch Recognition, Computer Vision}
}