A test statistics for low complexity change detection in dynamic systems based on averaged filter models. - Susanne Halvarsson; Torbjörn Wigren; Bo Wahlberg (ICASSP, 1996)

Algorithms for time delay estimation using a low complexity exhaustive search. - Catharina Carlemalm; Susanne Halvarsson; Torbjörn Wigren; Bo Wahlberg (IEEE Trans. Autom. Control., 1999)