System and method for cardiorespiratory sleep stage classification

Pedro Fonseca (Inventor), Xi Long (Inventor), Niek G.P. den Teuling (Inventor), Reinder Haakma (Inventor), Ronald M. Aarts (Inventor)

Research output: PatentPatent publication

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Abstract

The present disclosure pertains to a system configured to determine one or more parameters based on cardiorespiratory information from a subject and determine sleep stage classifications based on a discriminative undirected probabilistic graphical model such as Conditional Random Fields using the determined parameters. The system is advantageous because sleep is a structured process in which parameters determined for individual epochs are not independent over time and the system determines the sleep stage classifications based on parameters determined for a current epoch, determined relationships between parameters, sleep stage classifications determined for previous epochs, and/or other information. The system does not assume that determined parameters are discriminative during an entire sleep stage, but maybe indicative of a sleep stage transition alone. In some embodiments, the system comprises one or more sensors, one or more physical computer processors, electronic storage, and a user interface.
Original languageEnglish
Patent number10,524,674
Priority date21/12/17
Filing date10/12/15
Publication statusPublished - 7 Jan 2020

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