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Advanced sleep scoring
 Dokoupilová, Daniela ; Novotná, Petra (referee) ; Filipenská, Marina (advisor)
This diploma thesis focuses on classification of sleep stages using a smart watch. Two signals were used – heart rate and acceleration. A model called TinySleepNet composed of convolutional neural network and LSTM was chosen for this task. The model was first trained for the classification of five sleep stages using only heart rate, achieving F1 score of 49%. Acceleration was converted into an SVM vector, on which the second model was trained. Due to the lack of information in the SVM vector, the model was trained only for binary classification of wake/sleep, achieving F1 score of 62.3%. Both SVM and heart rate were combined in the last model. The classification of heart rate and SVM vector into five sleep stages achieved F1 score of 51%. The calculated parameters evaluating sleep quality were then compared with data evaluated by a sleep expert.
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