1. Conceptual design and analysis by sketching;Lipson;Artif. Intell. Des. Manuf.,2000
2. C. Calhoun, T.F. Stahovich, T. Kurtoglu, L.B. Kara, Recognizing multi-stroke symbols, in: Proceedings of AAAI Spring Symposium on Sketch Understanding, AAAI Press, Palo Alto, 2002, pp. 15–23.
3. Magic paper: sketch-understanding research;Davis;Computer,2007
4. G.-H. Feng, Z.-X. Sun, C. Viard-Gaudin, Hand-drawn electric circuit diagram understanding using 2D dynamic programming, in: Proceedings of the 11th International Conference on Frontiers in Handwriting Recognition, Québec, 2008, pp. 493–498.
5. M.J. Fonseca, C. Pimentel, J.A. Jorge, Cali—an online scribble recognizer for calligraphic interfaces, in: Proceedings of AAAI Spring Symposium on Sketch Understanding, AAAI Press, Palo Alto, 2002, pp. 51–58.