Swallowing accelerometry has been suggested as a potential noninvasive\r\ntool for bedside dysphagia screening. Various vibratory signal features and\r\ncomplementary measurement modalities have been put forth in the literature for the\r\npotential discrimination between safe and unsafe swallowing. To date, automatic\r\nclassification of swallowing accelerometry has exclusively involved a single-axis of\r\nvibration although a second axis is known to contain additional information about\r\nthe nature of the swallow. Furthermore, the only published attempt at automatic\r\nclassification in adult patients has been based on a small sample of swallowing\r\nvibrations.
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