Dagobert - A New Coin Recognition and Sorting System. - Michael Nölle; Harald Penz; Michael Rubik; Konrad J. Mayer; Igor Holländer; Reinhard Granec (DICTA, 2003)

Classification of coins using an eigenspace approach. - Reinhold Huber; Herbert Ramoser; Konrad J. Mayer; Harald Penz; Michael Rubik (Pattern Recognit. Lett., 2005)

Streaming warper with cubic spline interpolation for rectification of distorted images on FPGAs. - Johannes Fürtler; Konrad J. Mayer; Michael Rubik; Harald Penz; Jörg Brodersen; Christian Gemeiner; Christian Eckel; Herbert Nachtnebel (Real-Time Image Processing, 2008)