Polyharmonic Daubechies type wavelets in image processing and astronomy, II. - Ognyan Kounchev; Damyan Kalaglarsky; Milcho Tsvetkov (CompSysTech, 2010)

Singular Value Decomposition of Images from Scanned Photographic Plates. - Vasil Kolev; Katya Tsvetkova; Milcho Tsvetkov (CoRR, 2013)