2023
DOI: 10.1038/s41598-023-36480-y
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Smoothing method for unit quaternion time series in a classification problem: an application to motion data

Abstract: Smoothing orientation data is a fundamental task in different fields of research. Different methods of smoothing time series in quaternion algebras have been described in the literature, but their application is still an open point. This paper develops a smoothing approach for smoothing quaternion time series to obtain good performance in classification problems. Starting from an existing method which involves an angular velocity transformation of unit quaternion time series, a new method which employ the loga… Show more

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