Olga A. Karpenko, John F. Hughes, Ramesh Raskar. Free-form sketching with variational implicit surfaces. Comput. Graph. Forum, 21(3):585-594, 2002. [doi]
@article{KarpenkoHR02, title = {Free-form sketching with variational implicit surfaces}, author = {Olga A. Karpenko and John F. Hughes and Ramesh Raskar}, year = {2002}, url = {http://www.eg.org/EG/CGF/volume21/issue3/abstracts/CGF709.HTML}, researchr = {https://researchr.org/publication/KarpenkoHR02}, cites = {0}, citedby = {0}, journal = {Comput. Graph. Forum}, volume = {21}, number = {3}, pages = {585-594}, }