Refining Image Compression with Weighted Finite Automata. - Ullrich Hafner (Data Compression Conference, 1996)

Image and Video Coding with Weighted Finite Automata. - Ullrich Hafner (ICIP (1), 1997)

Nondeterminism and Motion Compensation for Weighted Finite Automata. - Jürgen Albert; Ullrich Hafner (GI Jahrestagung, 1998)

Weighted finite automata for video compression. - Ullrich Hafner; Jürgen Albert; Stefan Frank; Michael Unger (IEEE J. Sel. Areas Commun., 1998)

Low bit rate image and video coding with weighted finite automata. - Ullrich Hafner (Mensch-und-Buch-Verlag, 1999)