Beautification of Design Sketches Using Trainable Stroke Clustering and Curve Fitting. Orbay, G. & Kara, L. B. IEEE Transactions on Visualization and Computer Graphics, 17:694–708, IEEE Computer Society, Los Alamitos, CA, USA, 2011.
Beautification of Design Sketches Using Trainable Stroke Clustering and Curve Fitting [pdf]Paper  Beautification of Design Sketches Using Trainable Stroke Clustering and Curve Fitting [link]Doi  Beautification of Design Sketches Using Trainable Stroke Clustering and Curve Fitting [link]Data  bibtex   

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