2012
DOI: 10.1155/2012/107046
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Sleep Stage Classification Using Unsupervised Feature Learning

Abstract: Most attempts at training computers for the difficult and time-consuming task of sleep stage classification involve a feature extraction step. Due to the complexity of multimodal sleep data, the size of the feature space can grow to the extent that it is also necessary to include a feature selection step. In this paper, we propose the use of an unsupervised feature learning architecture called deep belief nets (DBNs) and show how to apply it to sleep data in order to eliminate the use of handmade features. Usi… Show more

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Cited by 210 publications
(160 citation statements)
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References 26 publications
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“…Vural and Yildiz [95] used the principal component analysis [96] for the classification of hybrid features and reported an accuracy of 69.98%. Langkvist et al [97] performed sleep stage classification using deep belief nets, an unsupervised feature learning approach.…”
Section: Discussionmentioning
confidence: 99%
“…Vural and Yildiz [95] used the principal component analysis [96] for the classification of hybrid features and reported an accuracy of 69.98%. Langkvist et al [97] performed sleep stage classification using deep belief nets, an unsupervised feature learning approach.…”
Section: Discussionmentioning
confidence: 99%
“…Längkvist et al [16] applied DBN in time series classification and obtained a remarkable result. The standard DBN optimizes the posterior probability ( | ) of the class labels given the current input .…”
Section: Cycle_dbn For Time Series Classificationmentioning
confidence: 99%
“…This data set records 18 activities performed by 9 subjects wearing 3 IMUs and a HR-monitor. Each of data contains 54 columns per row and the columns contain the following data: timestamp (1), activityID (2), heart rate (3), IMU hand (4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20), IMU chest (21-37), and IMU ankle (38-54). In our experiment, we only select 7 activities which are "lying (1)," "sitting (2)," "standing (3)," "walking (4)," "running (5)," "cycling (6)," "Nordic walking (7)."…”
Section: 21mentioning
confidence: 99%
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“…Längkvist in [38] have used RBMs to classify sleep stage data with a greater accuracy than conventional learning systems based on Gaussian mixture and hidden Markov models. Wulsin et al [39] have attempted to model electroencephalography (EEG) signals using Deep Belief Networks composed of RBMs for fast classification and anomaly measurement in a semi-supervised 21 http://googleblog.blogspot.com/2012/06/using-large-scale-brain-simulations-for.html.…”
Section: Future Vision-cognitive Computing and Artificial Intelligencementioning
confidence: 99%