Visual Design and Engineering Laboratory

Carnegie Mellon University

Sim-U-Sketch: A Sketch-based interface for Simulink


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Sim-U-Sketch is an experimental sketch-based interface we developed for Matlab’s Simulink software package. With this tool, users can construct functional Simulink models simply by drawing sketches on a computer screen. To support iterative design, Sim-U-Sketch allows users to interact with their sketches in real time to modify existing objects and add new ones. The system is equipped with a domain-independent, trainable symbol recognizer that can learn new symbols from single prototype examples. This makes our system easily extensible and customizable to new domains and unique drawing styles.


Levent Burak Kara, Thomas F. Stahovich. (2004). Sim-U-Sketch: A Sketch-Based Interface for Simulink. Proceedings of AVI-2004, pp 354-357.

 author = {Kara, Levent Burak and Stahovich, Thomas F.},
 title = {Sim-U-Sketch: a sketch-based interface for SimuLink},
  booktitle = {Proceedings of the working conference on Advanced visual interfaces},
  series = {AVI '04},
  year = {2004},
  isbn = {1-58113-867-9},
  location = {Gallipoli, Italy},
  pages = {354--357},
  numpages = {4},
  url = {},
  doi = {10.1145/989863.989923},
  acmid = {989923},
  publisher = {ACM},
  address = {New York, NY, USA}