In contrast, Markov-random-fields-based models do not require a fixed structure graph but rely on handcrafted features to make ... entries by solving the MAP inference problem. The proposed model ...

State Key Laboratory of Structural Analysis for Industrial Equipment, Dalian University of Technology, Dalian, 116024, P. R. China ...

Abstract: Due to the characteristics of PPG signal vulnerable to interference, this paper proposes a PPG signal anomaly detection method based on random matrix. As an unsupervised method, this ...