Machine vision competence as a function of computing power - 4 1/2 Years later. - Hans-Hellmut Nagel; Thomas Müller 004; Volker Gengenbach; Alexander Bachem; Holger Leuck (ECC, 1999)

Robust Visual Servoing: Examination of Cameras Under Different Illumination Conditions. - Alexander Bachem; Thomas Müller 004; Hans-Hellmut Nagel (ICRA, 2001)