Detection of saccadic eye movements using the order statistic constant false alarm rate technique

Authors:
Pekka-Henrik Niemenlehto;Martti Juhola
Affiliations:
University of Tampere, Kanslerinrinne, Tampere, Finland;University of Tampere, Kanslerinrinne, Tampere, Finland
Venue:
BioMED '08 Proceedings of the Sixth IASTED International Conference on Biomedical Engineering
Year:
2008

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Constant false alarm rate detection of saccadic eye movements in electro-oculography

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Abstract

A saccade detection method built upon the order statistic constant false alarm rate technique was applied to the detection of saccadic eye movements from electrooculographic signals. The technique is based on the adaptive thresholding approach, in which the sensitivity of the detector is adjusted according to the observed signal in order to achieve a constant false alarm rate. The investigated method is capable of sequential detection of saccades, can operate in the presence of noise, can be implemented in a computationally efficient manner, and can operate autonomously without user assistance. Therefore, it finds potential use in applications that comprise analysis of electro-oculographic signals.