TY - RPRT TI - Nonlinear dynamical factor analysis for state change detection. AU - Alexander Ilin AU - Harri Valpola AU - Erkki Oja PY - 2004 DO - 10.1109/tnn.2004.826129 UR - https://pubmed.ncbi.nlm.nih.gov/15384546/ ID - 15384546 ER -