Random forest-based sleep staging method and system
A sleep staging and random forest technology, applied in the computer field, can solve problems such as low classification accuracy, and achieve the effects of improving accuracy, removing electrooculography artifacts, and improving accuracy
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[0039] The EEG signals in the sleep state usually contain a lot of physiological information about human diseases, so in order to conduct better research, it is necessary to stage sleep. The existing staging methods are difficult to completely and accurately extract the sleep information contained in the EEG data and are prone to overfitting problems in classification, which greatly affects the accuracy of sleep staging. In view of this, the present embodiment provides a sleep staging method and system based on random forest.
[0040] Such as figure 1As shown, the present embodiment provides a sleep staging method comprising: acquiring a plurality of brain signal samples and performing sleep staging on each brain signal sample (step S10 ). Perform preprocessing on each EEG signal sample (step S20). Each preprocessed EEG signal sample is divided into multiple segments with a certain duration from the time domain (step S30). Extracting multiple feature parameters on each segm...
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