Inspec keywords: trees (mathematics); electroencephalography; transforms; medical signal processing; signal classification; time-frequency analysis; matrix algebra; feature extraction; support vector machines

Other keywords: support vector machine; weighted K-nearest neighbour; sleep stages classification; electroencephalogram signal; C3-A2 channel; Pz-Oz channel; sleep-EDF data set; EEG signal analysis; time-frequency domains; Stockwell transform; complex-valued matrix; physical health; ISRUC-Sleep data set; quality-of-life; Fpz-Cz channel; entropy feature extraction; nonoverlapping segments; time-frequency transforms; ensemble bagged tree classifiers

Subjects: Bioelectric signals; Integral transforms; Biology and medical computing; Function theory, analysis; Electrodiagnostics and other electrical measurement techniques; Algebra, set theory, and graph theory; Algebra; Mathematical analysis; Digital signal processing; Integral transforms; Electrical activity in neurophysiological processes; Combinatorial mathematics; Signal processing and detection; Combinatorial mathematics; Algebra; Mathematical analysis; Knowledge engineering techniques