Fast least-squares curve fitting using quasi-orthogonal splinesM. FlicknerJames L. Hafneret al.1994ICIP 1994
Conformal mapping-based image processing: Theory and applicationsGuillermo A. BariccoEduardo J. Rodríguezet al.1994ICPR 1994
Periodic quasi-orthogonal spline bases and applications to least-squares curve fitting of digital imagesMyron FlicknerJames Hafneret al.1996IEEE TIP