Esser, Ernie; Möller, Michael; Osher, Stanley; Sapiro, Guillermo; Xin, Jack A convex model for nonnegative matrix factorization and dimensionality reduction on physical space. (English) Zbl 1373.15021 IEEE Trans. Image Process. 21, No. 7, 3239-3252 (2012). MSC: 15A23 90C90 PDFBibTeX XMLCite \textit{E. Esser} et al., IEEE Trans. Image Process. 21, No. 7, 3239--3252 (2012; Zbl 1373.15021) Full Text: DOI arXiv
Tsai, Y.-H. R.; Cheng, L.-T.; Osher, S.; Burchard, P.; Sapiro, G. Visibility and its dynamics in a PDE based implicit framework. (English) Zbl 1056.65018 J. Comput. Phys. 199, No. 1, 260-290 (2004). MSC: 65D18 65N55 35F30 68T45 PDFBibTeX XMLCite \textit{Y. H. R. Tsai} et al., J. Comput. Phys. 199, No. 1, 260--290 (2004; Zbl 1056.65018) Full Text: DOI
Mémoli, Facundo; Sapiro, Guillermo; Osher, Stanley Solving variational problems and partial differential equations mapping into general target manifolds. (English) Zbl 1044.65060 J. Comput. Phys. 195, No. 1, 263-292 (2004). Reviewer: Yves Cherruault (Paris) MSC: 65K10 49J20 35A15 35J20 49J10 58E20 65M99 PDFBibTeX XMLCite \textit{F. Mémoli} et al., J. Comput. Phys. 195, No. 1, 263--292 (2004; Zbl 1044.65060) Full Text: DOI Link
Bertalmío, Marcelo; Cheng, Li-Tien; Osher, Stanley; Sapiro, Guillermo Variational problems and partial differential equations on implicit surfaces. (English) Zbl 0991.65055 J. Comput. Phys. 174, No. 2, 759-780 (2001). MSC: 65K10 68U10 65D18 68U05 49J20 49M27 PDFBibTeX XMLCite \textit{M. Bertalmío} et al., J. Comput. Phys. 174, No. 2, 759--780 (2001; Zbl 0991.65055) Full Text: DOI