@InProceedings {Sezgin2004Scalespace,
  author =       {Tevfik Metin Sezgin and Randall Davis},
  title =        {Scale-space Based Feature Point Detection for Digital Ink},
  booktitle =    {Making Pen-Based Interaction Intelligent and Natural},
  year =         {2004},
  address =	 {Menlo Park, California},
  month =	 {October 21-24},
  pages =	 {145-151},
  publisher =    {AAAI Fall Symposium},
  OPTkeyword =   {general sketch recognition}
}