Barbu, Tudor Nonlinear PDE model for image restoration using second-order hyperbolic equations. (English) Zbl 1336.35246 Numer. Funct. Anal. Optim. 36, No. 11, 1375-1387 (2015). MSC: 35L72 68U10 94A08 35L20 65M06 PDFBibTeX XMLCite \textit{T. Barbu}, Numer. Funct. Anal. Optim. 36, No. 11, 1375--1387 (2015; Zbl 1336.35246) Full Text: DOI
Barbu, Tudor Robust contour tracking model using a variational level-set algorithm. (English) Zbl 1285.94011 Numer. Funct. Anal. Optim. 35, No. 3, 263-274 (2014). MSC: 94A08 35K15 35Q94 68U10 PDFBibTeX XMLCite \textit{T. Barbu}, Numer. Funct. Anal. Optim. 35, No. 3, 263--274 (2014; Zbl 1285.94011) Full Text: DOI
Barbu, Tudor Novel linear image denoising approach based on a modified Gaussian filter kernel. (English) Zbl 1258.35136 Numer. Funct. Anal. Optim. 33, No. 11, 1269-1279 (2012). MSC: 35L15 68U10 PDFBibTeX XMLCite \textit{T. Barbu}, Numer. Funct. Anal. Optim. 33, No. 11, 1269--1279 (2012; Zbl 1258.35136) Full Text: DOI
Alboaie, Lenuţa; Barbu, Tudor An automatic user-recognition approach within a reputation system using a nonlinear Hausdorff-derived metric. (English) Zbl 1154.93002 Numer. Funct. Anal. Optim. 29, No. 11-12, 1240-1251 (2008). MSC: 93A30 91C20 90B18 PDFBibTeX XMLCite \textit{L. Alboaie} and \textit{T. Barbu}, Numer. Funct. Anal. Optim. 29, No. 11--12, 1240--1251 (2008; Zbl 1154.93002) Full Text: DOI
Barbu, Tudor Eigenimage-based facial recognition technique using gradient covariance. (English) Zbl 1119.68395 Numer. Funct. Anal. Optimization 28, No. 5-6, 591-601 (2007). MSC: 68T10 49N30 93C41 93A30 PDFBibTeX XMLCite \textit{T. Barbu}, Numer. Funct. Anal. Optim. 28, No. 5--6, 591--601 (2007; Zbl 1119.68395) Full Text: DOI