Design and development of an indoor navigation and object identification system for the blind. - Andreas Hub; Joachim Diepstraten; Thomas Ertl (ACM SIGACCESS Access. Comput., 2004)

Augmented Indoor Modeling for Navigation Support for the Blind. - Andreas Hub; Joachim Diepstraten; Thomas Ertl (CPSN, 2005)

Interactive tracking of movable objects for the blind on the basis of environment models and perception-oriented object recognition methods. - Andreas Hub; Tim Hartter; Thomas Ertl (ASSETS, 2006)