Abstract—The vestibulo-ocular reflex (VOR) plays an important
role in our daily activities by enabling us to fixate on objects
during head movements. Modeling and identification of the VOR
improves our insight into the system behavior and improves
diagnosis of various disorders. However, the switching nature of
eye movements (nystagmus), including the VOR, makes dynamic
analysis challenging. The first step in such analysis is to segment
data into its subsystem responses (here slow and fast segment
intervals). Misclassification of segments results in biased analysis
of the system of interest. Here, we develop a novel three-step
algorithm to classify the VOR data into slow and fast intervals automatically.
The proposed algorithm is initialized using a K-means
clustering method. The initial classification is then refined using
system identification approaches and prediction error statistics.
The performance of the algorithm is evaluated on simulated and
experimental data. It is shown that the new algorithm performance
is much improved over the previous methods, in terms of higher
specificity.