Robust and Accurate Anomaly Detection in ECG Artifacts Using Time Series Motif Discovery
Joint Authors
Sivaraks, Haemwaan
Ratanamahatana, Chotirat Ann
Source
Computational and Mathematical Methods in Medicine
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-20, 20 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-01-22
Country of Publication
Egypt
No. of Pages
20
Main Subjects
Abstract EN
Electrocardiogram (ECG) anomaly detection is an important technique for detecting dissimilar heartbeats which helps identify abnormal ECGs before the diagnosis process.
Currently available ECG anomaly detection methods, ranging from academic research to commercial ECG machines, still suffer from a high false alarm rate because these methods are not able to differentiate ECG artifacts from real ECG signal, especially, in ECG artifacts that are similar to ECG signals in terms of shape and/or frequency.
The problem leads to high vigilance for physicians and misinterpretation risk for nonspecialists.
Therefore, this work proposes a novel anomaly detection technique that is highly robust and accurate in the presence of ECG artifacts which can effectively reduce the false alarm rate.
Expert knowledge from cardiologists and motif discovery technique is utilized in our design.
In addition, every step of the algorithm conforms to the interpretation of cardiologists.
Our method can be utilized to both single-lead ECGs and multilead ECGs.
Our experiment results on real ECG datasets are interpreted and evaluated by cardiologists.
Our proposed algorithm can mostly achieve 100% of accuracy on detection (AoD), sensitivity, specificity, and positive predictive value with 0% false alarm rate.
The results demonstrate that our proposed method is highly accurate and robust to artifacts, compared with competitive anomaly detection methods.
American Psychological Association (APA)
Sivaraks, Haemwaan& Ratanamahatana, Chotirat Ann. 2015. Robust and Accurate Anomaly Detection in ECG Artifacts Using Time Series Motif Discovery. Computational and Mathematical Methods in Medicine،Vol. 2015, no. 2015, pp.1-20.
https://search.emarefa.net/detail/BIM-1057903
Modern Language Association (MLA)
Sivaraks, Haemwaan& Ratanamahatana, Chotirat Ann. Robust and Accurate Anomaly Detection in ECG Artifacts Using Time Series Motif Discovery. Computational and Mathematical Methods in Medicine No. 2015 (2015), pp.1-20.
https://search.emarefa.net/detail/BIM-1057903
American Medical Association (AMA)
Sivaraks, Haemwaan& Ratanamahatana, Chotirat Ann. Robust and Accurate Anomaly Detection in ECG Artifacts Using Time Series Motif Discovery. Computational and Mathematical Methods in Medicine. 2015. Vol. 2015, no. 2015, pp.1-20.
https://search.emarefa.net/detail/BIM-1057903
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1057903