He was the PI on 10+ awarded grants attracting a total of over $1.5 million. He has published more than 120 SCI indexed Journal papers, 30+ invention patents. He won the 20th PhysioNet/CinC Challenge 2019, the only Lenovo Young Scientist title in 2017, the Outstanding Contribution Award from the MIT PhysioNet, the second prize for Technological Invention award of Shandong Province in 2016. He is now a Federation Journal Committee Member of IFMBE, the chair for China Physiological Signal Challenge, an Associate Editor for JMMB and JMIHI, an International Advisory Board Member for PMEA, etc. His research topics include: wearable ECG, fetal ECG, blood pressure, heart sound measurements, intelligent monitoring, machine learning and big data processing for physiological signals, device development for CADs, sleep and emotion monitoring.
SCI Journal Papers
1.C. Y. Ma, S. S. Wei*, T. S. Chen, J. Q. Zhong, Z. H. Liu and C. Y. Liu*. Integration of results from convolutional neural network in a support vector machine for the detection of atrial fibrillation. IEEE Transactions on Instrumentation and Measurement, 2021, 70(1): 2504610(1)-2504610(10).(IF 3.658)
2.X. Y. Wang, C. Y. Liu*, Y. W. Li, X. H. Cheng*, J. Q. Li andG. D. Clifford. Temporal-framing adaptive network for heart sound segmentation without prior knowledge of state duration. IEEE Transactions on Biomedical Engineering, 2021, 68(2): 650-663. (IF 4.424)
3.X. Y. Zhang, J. Q. Li*, Z. P. Cai, L. Zhang, Z. H. Chen and C. Y. Liu*.Over-fitting suppression training strategies for deep learning-based atrial fibrillation detection. Medical & Biological Engineering & Computing, 2021, 59 (1): 165–173. (IF 2.022)
4.L. L. Zhao, L. C. Yang*, B. M. Li, Z. H. Su and C. Y. Liu*. Frontal alpha EEG asymmetry variation of depression patients assessed by entropy measures and lemple–ziv complexity. Journal of Medical and Biological Engineering, 2021, 41: doi: 10.1007/s40846-020-00594-9. (IF 1.173)
5.Z. H. Chen, M. Wu*, W. Cui, C. Y. Liu and X. L. Li. An attention-based CNN-LSTM approach for sleep-wake detection with heterogeneous sensors. IEEE Journal of Biomedical and Health Informatics, 2020, in press. (IF 5.223)
6.J. A. Behar*, C. Y. Liu, Y. Zigel, P. Laguna and G. D. Clifford. Editorial: Remote health monitoring: from chronic diseases to pandemics. Physiological Measurement, 2020, in press. (IF 2.309)
7.J. A. Behar*#, C. Y. Liu#, K. Tsutsui#, V. D.A. Corino, J. Singh, M. A.F. Pimentel, W. Karlen, P. Warrick, S. Zaunseder, F. Andreotti, M. Osipov, P. E. McSharry, K. Kotzen, C. Karmakar and G. D. Clifford. Remote health monitoring in the time of COVID-19. Physiological Measurement, 2020, 41(10): 10TR01(1)-10TR01(29).(IF 2.309)
8.E. A, P. Alday, A. N. Gu, A. J. Shah, C. Robichaux, A. K. I. Wong, C. Y. Liu, F. F. Liu, A. B. Rad, A. Eloda, S. Seyedi, Q. Li, A. Sharma, G. D. Clifford and M. A. Reyna. Classification of 12-lead ECGs: the PhysioNet/Computing in Cardiology Challenge 2020. Physiological Measurement, 2020, 41(11): 10TR01(1)-10TR01(29). (IF 2.309)
9.L. L. Zhao, L. C. Yang*, B. M. Li, Z. H. Su and C. Y. Liu*. Frontal alpha complexity of different severity depression patients. Journal of Healthcare Engineering, 2020, ID 8854725(1)-8854725(8).(IF 1.803)
10.M. C. Yang, C. Y. Liu*, X. Y. Wang, Y. W. Li, H. X. Gao, X. Liu and J. Q. Li*. An explainable artificial intelligence predictor for early detection of sepsis. Critical Care Medicine, 2020, 48(11): e1091-e1096.(IF 7.414)
11.Z. P. Cai, J. Q. Li*, A. E. W. Johnson, X. Y. Zhang, Q. Shen, J. Zhang and C. Y. Liu *. Rule-based rough-refined two-step-procedure for real-time premature beat detection in single-lead ECG. Physiological Measurement, 2020, 41(5): 054004(1)-054004(21). (IF 2.309)
12.Z. P. Cai, C. Y. Liu*, H. X. Gao, X. Y. Wang, L. N. Zhao, Q. Shen, E. Y. K. Ng and J. Q. Li*. An open-access long-term wearable ECG database for premature ventricular contractions and supraventricular premature beat detection. Journal of Medical Imaging and Health Informatics, 2020, 10(11): 2663-2667. (IF 0.659)
13.Q. Shen#, H. X. Gao#, Y. W. Li, Q. Sun, M. L. Chen*, J. Q. Li* and C. Y. Liu*. An open-access arrhythmia database of wearable electrocardiogram. Journal of Medical and Biological Engineering, 2020, 40(8): 564-574. (IF 1.173)
14.J. L. Xiong, X. Y. Liang, L. N. Zhao, B. Lo, J. Q. Li and C. Y. Liu*. Improving accuracy of heart failure detection using data refinement. Entropy, 2020, 22: 520(1)-520(25). (IF 2.494)
15.L. N. Zhao, J. Q. Li*, J. L. Xiong, X. Y. Liang and C. Y. Liu*. Suppressing the influence of ectopic beats by applying a physical threshold-based sample entropy. Entropy, 2020, 22: 411(1)-411(16). (IF 2.494)
16.B. H. Wang, X. Ma, Y. F. Wang, W. Dong, C. Y. Liu, Y. Y. Bai, S. Y. Bian, J. Ying, X. Hu, S. S. Wan, W. G. Xue, Y. P. Tian, C. Zhong, Y. Zhang, K. L. He* and J. Y. Li*. In-hospital mortality prediction for heart failure patients using electronic health records and an improved bagging algorithm. Journal of Medical Imaging and Health Informatics, 2020, 10(5): 998-1004. (IF 0.659)
17.Y. Xue, J. Yang, Y. T. Feng, Y. B. Zhou, Y. F. Qin, Y. Li, Y. W. Li, Q. S. Ren*, C. Y. Liu* and Z. T. Cao*. Effects of mindful breathing on rapid hypoxia preacclimatization training. Journal of Medical Imaging and Health Informatics, 2020, 10(3): 718-723. (IF 0.659)
18.S. Zhang, R. Q. Zhang, S. J. Chang, C. Y. Liu and X. Z. Sha. A low-noise-level heart sound system based on novel thorax-integration head design and wavelet denoising algorithm. Micromachines, 2020, 10(12): 885. (IF 2.523)
19.C. Y. Liu*, X. Y. Zhang, L. N. Zhao, F. F. Liu, X. W. Chen, Y. J. Yao andJ. Q. Li*. Signal quality assessment and lightweight QRS detectionfor wearable ECG SmartVest system. IEEE Internet of Things Journal, 2019, 6(2): 1363-1374. (IF 9.515)
20.C. Y. Liu*, L. K. Pan. Editorial: Advances in computer-aided medical systems and clinical measurement. Computer Aided Surgery, 2019, 24(sup 2): 1-2.(IF 1.2)
21.C. Y. Liu*, L. K. Pan. Editorial: Advances in Minimally Invasive Surgery and Clinical Measurement. Computer Aided Surgery, 2019, doi: 10.1080/24699322.2018.1560103.(IF 1.2)
22.H. L. Xie, L. Zhang*, C. P. Lim, Y. H. Yu, C. Y. Liu, H. Liu and J. Walters. Improving K-means clustering with enhanced firefly algorithms. Applied Soft Computing, 2019, 84: 105763. (IF 5.472)
23.J. L. Xiong, X. Y. Liang, T. T. Zhu, L. N. Zhao, J. Q. Li and C. Y. Liu*. A new physically meaningful threshold of sample entropy for detecting cardiovascular diseases. Entropy, 2019, 21: 830(1)-830(20). (IF 2.494)
24.Q. C. Li, C. Y. Liu, Q. Li, S. P. Shashikumar, S. Nemati, Z. C. Shen andG. D. Clifford*. Ventricular ectopic beat detection using a wavelet transform and a convolutional neural network. Physiological Measurement, 2019, 40(11): 055002(1)-055002(17).(IF 2.309)
25.H. X. Gao, C. Y. Liu*, X. Y. Wang, L. N. Zhao, Q. Shen, E. Y. K. Ng and J. Q. Li. An open-access ECG database for algorithm evaluation of QRS detection and heart rate estimation. Journal of Medical Imaging and Health Informatics, 2019, 9(9): 1853-1858. (IF 0.659)
26.B. S. Lin, P. Y. Yang, C. F. Liu, Y. C. Huang, C. Y. Liu and B. S. Lin*. Design of Novel Field Programmable Gate Array-Based Hearing Aid. IEEE Access, 2019, 7(1): 63809-63817. (IF 3.745)
27.Z. H. Qu, Q. W. Liu andC. Y. Liu*. Classification of Congestive Heart Failure with Different NYHA Functional Classes Based on HRV Indices and Machine Learning. Expert Systems, 2019, 36(3): e12396(1)- e12396(13).(IF 1.546)
28.J. P. Zhu, L. Z. Ji and C. Y. Liu*. Heart rate variability monitoring for emotion and disorders of emotion. Physiological Measurement, 2019, 40(6): 064004.(IF 2.309)
29.B. S. Lin, C. F. Liu, C. J. Cheng, J. J. Wang, C. Y. Liu, J. Q. Li and B. S. Lin*. Development of novel hearing aids by using image recognition technology. IEEE Journal of Biomedical and Health Informatics, 2019, 23(3): 1163-1170. (IF 5.223)
30.Y. T. Zhang*, S. S. Wei, L. Zhang and C. Y. Liu. Comparing performance of Random Forest, SVM and their variants for ECG quality assessment combined with nonlinear features. Journal of Medical and Biological Engineering, 2019, 39(3): 381-392. (IF 1.173)
31.H. X. Shang, S. S. Wei*, F. F. Liu, D. W. Wei, L. Chen andC. Y. Liu*. An improved sliding window area method for T wave detection. Computational and Mathematical Methods in Medicine, 2019, Article ID 3130527(1)- 3130527(11). (IF 1.770)
32.L. L. Zhao, L. C. Yang*, Z. H. Su and C. Y. Liu*.Cardiorespiratory coupling analysis based on entropy and cross-entropy in distinguishing different depression stages. Frontiers in Physiology, 2019, 10: 359(1)-359(14).(IF 3.367)
33.Y. T. Xie, J. Q. Li*, T. T. Zhu and C. Y. Liu *. Continuous-valued annotations aggregation for heart rate detection. IEEE Access, 2019, 7(1): 37664-37671. (IF 3.745)
34.Z. M. Zhang, X.W. Liu, S. S. Wei*, H. P. Gan, F. F. Liu, Y. W. Li, C. Y. Liu* and F. Liu*. Electrocardiogram reconstruction based on compressed sensing. IEEE Access, 2019, 7(1): 37228-37237. (IF 3.745)
35.Y. W. Li, W. T. Chen, D. Y. Liu, Z. M. Zhang, S. X. Wu* and C. Y. Liu *. IFFLC: An integrated framework of feature learning and classification for multiple diagnosis codes assignment. IEEE Access, 2019, 7(1): 36810-36818. (IF 3.745)
36.Z. P. Cai, J. Q. Li*, K. Luo, B. S. Lin, Z. G. Wang, X. Y. Zhang, J. Zhang and C. Y. Liu *. Effects of inferior myocardial infarction sizes and sites on simulated electrocardiograms based on a torso-heart model. IEEE Access, 2019, 7(1): 35470-35479. (IF 3.745)
37.Z. Y. Zhao, C. Y. Liu*, Y. W. Li, Y. X. Li, J. Y. Wang, B. S. Lin and J. Q. Li.Noise rejection for wearable ECGs using modified frequency slice wavelet transform and convolutional neural networks. IEEE Access, 2019, 7(1): 34060-34067. (IF 3.745)
38.Q. Qin, J. Q. Li*, S. S. Yao, C. Y. Liu, H. Huang andY. Zhu*. Electrocardiogram of a Silver Nanowire Based Dry Electrode: Quantitative Comparison with the Standard Ag/AgCl Gel Electrode. IEEE Access, 2019, 7(1): 20789-20800. (IF 3.745)
39.B. Y. Hu, S. S. Wei*, D. W. Wei, L. N. Zhao, G. H. Zhu andC. Y. Liu*. Multiple time scalesanalysis for identifying congestive heart failure based on heart rate variability. IEEE Access, 2019, 7(1): 17862-17871.(IF 3.745)
40.L. N. Zhao, C. Y. Liu*, S. S. Wei, C. C. Liu and J. Q. Li.Enhancing detection accuracy for clinical heart failure utilizing pulse transit time variability and machine learning. IEEE Access, 2019, 7(1): 17716-17724. (IF 3.745)
41.X. E. Jiang, S. S. Wei*, S. Q. Zhang, L. N. Zhao, F. F. Liu, H. Tang, Z. Q. He* and C. Y. Liu*. Comparison of photoplethysmographic signal features between healthy and sleep apnea patients during five sleep stages. Journal of Medical Imaging and Health Informatics, 2019, 9(1): 63-69. (IF 0.659)
42.Y. Li, P. Li, X. P. Wang, C. Karmakar, C. C. Liu* and C. Y. Liu. Short-term QT interval variability in patients with coronary artery disease and congestive heart failure: a comparison with healthy control subjects. Medical & Biological Engineering & Computing, 2019, 57 (2), 389-400. (IF 2.022)
43.C. Y. Liu*, J. Oster, Q. Li, L. Z. Zhao, S. Nemati andG. D. Clifford. A comparison of entropy approaches for AF discrimination. Physiological Measurement, 2018, 39(7): 74002(1)-74002(18).(IF 2.309)
44.C. Y. Liu*, F. Liu, L. Zhang, Y. Su and A. Murray. Editorial: Smart wearables in healthcare: Signal processing, device development, and clinical applications. Journal of Healthcare Engineering, 2018, ID 1696924(1)-1696924(2).(IF 1.803)
45.Q. Li, Q. C. Li, C. Y. Liu, S. P. Shashikumar, S. Nemati andG. D. Clifford*. Deep learning in the cross-time-frequency domain for sleep staging from a single lead electrocardiogram. Physiological Measurement, 2018, 39(12): 124005(1)-124005(12).(IF 2.309)
46.L. N. Zhao#, C. Y. Liu*,#, S. S. Wei*, Q. Shen, F. Zhou and J. Q. Li. A new entropy-based atrial fibrillation detection method for scanning wearable ECG recordings. Entropy, 2018, 20: 904(1)-904(15). (IF 2.494)
47.A. N. Vest, G. D. Poian, Q. Li, C. Y. Liu, S. Nemati, A. J. Shah, G. D. Clifford*. An Open Source Benchmarked Toolbox for Cardiovascular Waveform and Interval Analysis. Physiological Measurement, 2018, 39(10): 105004(1)-105004(23). (IF 2.309)
48.Z. M. Zhang, S. S. Wei*, G. H. Zhu, F. F. Liu, Y. W. Li, X. T. Dong, C. Y. Liu* and F. Liu*. Efficient sleep classification based on entropy features and support vector machine classifier. Physiological Measurement, 2018, 39(11): 115005(1)-115005(13). (IF 2.309)
49.X. E. Jiang, S. S. Wei*, J. B. Ji, F. F. Liu, P. Li and C. Y. Liu*. Modeling radial artery pressure waveforms using curve fitting: Comparison of four types of fitting functions. Artery Research, 2018, 23: 56-62. (IF 0.519)
50.X. L. Chi#, X. Y Wang#, Z. R. Guo, H. H. Man*, H. X. Xu*, Y. C. Wangand C. Y. Liu*. Relationships between blood pressure variability and silent cerebral infarction in patients with primary hypertension. Artery Research, 2018, 24: 40-46. (IF 0.519)
51.J. Zhang, L. C. Yang*, Z. H. Su, X. Q. Mao, K. Luo and C. Y. Liu*. Photoplethysmogram signal quality assessment using support vector machine and multi-feature fusion. Journal of Medical Imaging and Health Informatics, 2018, 8(9): 1757–1762. (IF 0.659)
52.Y. T. Zhang*, C. Y. Liu, S. S. Wei, Y. G. Liu and H. Liu. Complexity Analysis of Physiological Time Series Using a Novel Permutation-Ratio Entropy. IEEE Access, 2018, 6: 67653-67664. (IF 3.745)
53.F. F. Liu, C. Y. Liu*, L. Z. Zhao, X. E. Jiang, Z. M. Zhang, J. Q. Li, S. S. Wei* and Y. Zhang. Dynamic ECG signal quality evaluation based on the generalized bSQI index. IEEE Access, 2018,6: 41892-41902. (IF 3.745)
54.Y. W. Li#, Y. Zhang#, L. N. Zhao#, Y. Zhang#, C. Y. Liu*, L. Zhang, L. X. Zhang, Z. S. Li, B. H. Wang, EYK. Ng, J. Q. Li, Z. Q. He*. Combining convolutional neural network and distance distribution matrix for identification of congestive heart failure. IEEE Access, 2018, 6: 39734- 39744. (IF 3.745)
55.F. F. Liu, C. Y. Liu*, L. N. Zhao, X. Y. Zhang, X. L. Wu, X. Y. Xu, Y. L. Liu, C. Y. Ma, S. S. Wei, Z. Q. He, J. Q. Li and N. Y. Kwee. An open access database for evaluating the algorithms of ECG rhythm and morphology abnormal detection. Journal of Medical Imaging and Health Informatics, 2018, 8(7): 1368-1373.(IF 0.659)
56.Y. L. Liu, S. S. Wei*, S. Zhang, F. F. Liu, J. Q. Li and C. Y. Liu*. SQI-based two-step method for HR estimation by combining ECG and arterial blood pressure signals. Journal of Medical Imaging and Health Informatics, 2018, 8(7): 1502-1507. (IF 0.659)
57.H. Tang*, Z. Y.Dai, Y. L. Jian, T. Li, C. Y. Liu*. PCG classification using multidomain features and SVM classifier. BioMed Research International, 2018, Article ID 4205027(1)- 4205027(14). (IF 2.276)
58.X. Y. Xu, S. S. Wei*, C. Y. Ma, K. Luo, L. Zhang and C. Y. Liu*. Atrial fibrillation beat identification using the combination of modifiedfrequency slice wavelet transform and convolution neural networks. Journal of Healthcare Engineering, 2018, Article ID 2102918(1)- 2102918(8).(IF 1.803)
59.F. F. Liu, S. S. Wei*, Y. B. Li, X. E. Jiang, Z. M. Zhang and C. Y. Liu*. Performance analysis of ten common QRS detectors on different ECG application cases. Journal of Healthcare Engineering, 2018, Article ID 9050812(1)- 9050812(8).(IF 1.803)
60.D. Pandit, L. Zhang*, S. Chattopadhyay, C. P. Lim and C. Y. Liu. A scattering and repulsive swarm intelligence algorithm for solving global optimization problems. Knowledge-Based Systems, 2018, 156(9): 12-42. (IF 5.921)
61.X. E. Jiang, S. S. Wei*, D. C. Zhegn, P. Huang and C. Y. Liu*. Changes of bilateral pulse transit time difference with one side of arm moving, Technology and Health Care, 2018, 26: S113-S119. (IF 0.806)
62.Y. R. Xia, L. C. Yang*, L. Zunino, H. Y. Shi, Y. Zhuang and C. Y. Liu*.Application of permutation entropy and permutation min-entropy in multiple emotional states analysis of RRI time series. Entropy, 2018, 20(3): 430(1)-430(11). (IF 2.494)
63.Y. Wang, S. S. Wei*, S. Zhang, Y. T. Zhang, L. Z. Zhao, C. Y. Liu* and A. Murray. Comparison of time-domain, frequency-domain and non-linear analysis for distinguishing congestive heart failure patients from normal sinus rhythm subjects. Biomedical Signal Processing and Control, 2018, 42(1): 30-36.(IF 3.137)
64.L. Z. Ji, C. Y. Liu, X. P. Wang, J. Yang and C.C. Liu*. Increased pulse wave transit timeafter percutaneous coronaryintervention procedure in CADpatients. Scientific Reports, 2018, 8: 115(1)-115(7). (IF 3.998)
65.X. L. Chi, M. Li, X. Zhan, H. H. Man, S. L. Xu, D. C. Zheng, J. Z. Bi*, Y. C. Wang*, C. Y. Liu. Relationship between carotid artery sclerosis and blood pressure variability in essential hypertension patients. Computers in Biology and Medicine, 2018, 92(1): 73-77. (IF 3.434)
66.C. Y. Liu, D. Springer andG. D. Clifford*. Performance of an open source heart sound segmentation algorithm on collection of eight independent databases. Physiological Measurement, 2017, 38(8):1730-1745. (IF 2.309)
67.C. Y. Liu* and R.Gao*. Multiscale entropy analysis of the differential RR interval time seriessignal and its application in detecting congestive heart failure. Entropy, 2017, 19: 251(1)-251(19). (IF 2.494)
68.A. N.Vest, Q. Li,C. Y. Liu, S. Nemati, A. Shah and G. D.Clifford.Benchmarking heart rate variability toolboxes. Journal of Electrocardiology, 2017, 50(6): 744-747. (IF 0.944)
69.G. D. Clifford, C. Y. Liu, B. Moody, J. Millet, S. Schmidt, Q. Li, I. Silva and R. G. Mark.Recent advances in heart sound analysis. Physiological Measurement, 2017, 38(8): E10-E21.(IF 2.309)
70.F. Pan, P. Y. He*, C. Y. Liu,T. Y. Li, A. Murray and D. C. Zheng. Variation of Korotkoff stethoscope sounds during blood pressure measurement: Analysis using a convolutional neural network. IEEE Journal of Biomedical and Health Informatics, 2017, 21(6): 1593-1598. (IF 5.223)
71.B. M. Whitaker*, P. B. Suresha1, C. Y. Liu, G. D. Cliffordand D. V. Anderson. Combining sparse coding and time-domain featuresfor heart sound classification, Physiological Measurement, 2017, 38(8): 1701-1729. (IF 2.309)
72.Q. Qin, J. Q. Li*, L. Zhang, Y. G. Yue, C. Y. Liu. Combining low-dimensional wavelet features and support vector machine for arrhythmia beat classification. Scientific Reports, 2017, 7: 6067(1)-6067(12). (IF 3.998)
73.E. Reinertsen, M, Osipov, C. Y. Liu, and Gari D. Clifford*. Continuous assessment of schizophrenia usingaccelerometer and heart rate data. Physiological Measurement, 2017, 38(7): 1456-1471. (IF 2.309)
74.H. Y. Shi, L. C. Yang*, L. L. Zhao, Z. H. Su, X. Q. Mao, L. Zhang and C. Y. Liu*. Differences of heart rate variability between happiness and sadness emotion states: A pilot study. Journal of Medical and Biological Engineering, 2017, 37(4): 527-539. (IF 1.173)
75.Q. Qin, J. Q. Li*, Y. G. Yue, C. Y. Liu. An adaptive and time-efficient ECG R-peak detection algorithm, Journal of Healthcare Engineering, 2017, 2017: 5980541(1)-5980541(14). (IF 1.803)
76.G. Da Poian, C. Y. Liu, R. Rinaldo andG. D. Clifford*. Atrial fibrillation detection on compressed sensed ECG. Physiological Measurement, 2017, 38(7): 1405-1425.(IF 2.309)
77.Z. P. Cai, K. Luo, C. Y. Liu and J. Q. Li*. Design of a smart ECG garment based on conductive textile electrode and flexible printed circuit board, Technology and Health Care, 2017, 25(4):815-821. (IF 0.806)
78.F. F. Liu, S. S. Wei*, Y. B. Li, X. E. Jiang, Z. M. Zhang, L. Zhang and C. Y. Liu*. The accuracy on the common Pan-Tompkins based QRS detection methods through low-quality ECG database, Journal of Medical Imaging and Health Informatics, 2017, 7(5): 1039-1043.(IF 0.659)
79.Y. R. Xia, L. C. Yang*, X. Q. Mao, D. C. Zheng and C. Y. Liu*.Quantification of vascular function changes under different emotion states: a pilot study. Technology and Health Care, 2017, 25(3): 447-456.(IF 0.806)
80.S. Y. Liu, J. Teng, X. H. Qi, S. S. Wei* and C. Y. Liu*. Comparison between heart rate variability and pulse rate variability during different sleep stages for sleep apnea patients. Technology and Health Care, 2017, 25(3): 435-445.(IF 0.806)
81.X. E. Jiang, S. S. Wei*, D. C. Zhegn, F. F. Liu, S. Q. Zhang, Z. M. Zhang and C. Y. Liu*. Change of bilateral difference in radial artery pulse morphology with one-side arm movement. Artery Research, 2017, 19: 1-8. (IF 0.519)
82.D. Pandit, L. Zhang*, C. Y. Liu, N. Aslam and S. Chattopadhyay. Lightweight lead II ECG QRS detector for mobile devices using max-min difference method. Computer Methods and Programs in Biomedicine, 2017, 144(2): 61-75.(IF 3.632)
83.F. Li, L. C. Yang*, H. Y. Shi and C. Y. Liu*. Differences in photoplethysmography morphological features and feature time series between two opposite emotions, Artery Research, 2017, 18: 7-13. (IF 0.519)
84.C. Y. Liu, D. Springer, Q. Li, B. Moody, R. A. Juan, F. J. Chorro,F. Castells, J. M. Roig, I. Silva, A. E.W. Johnson, Z. Syed, S. E.Schmidt, C. D. Papadaniil, L. Hadjileontiadis, H. Naseri, A. Moukadem, A. Dieterlen, C. Brandt, H. Tang, M. Samieinasab, M. R. Samieinasab,R. Sameni, R. G. Mark andG. D. Clifford*. An open access database for the evaluation of heart sound algorithms. Physiological Measurement, 2016, 37(12): 2181-2213.(IF 2.309)
85.C. Y. Liu*, L. N. Zhao, H. Tang, Q. Li, S. S. Wei and J. Q. Li. Life-threatening false alarms rejection in ICU: Using rule-based and multi-channel information fusion method. Physiological Measurement, 2016, 37(8): 1298-1312.(IF 2.309)
86.C. Y. Liu*, C. Griffiths, A. Murray and D. C. Zheng. Comparison of stethoscope bell and diaphragm, and of stethoscope tube length, for clinical blood pressure measurement.Blood Pressure Monitoring, 2016, 21(3): 178-183.(IF 1.092)
87.L. N. Zhao, S. S. Wei*, H. Tang* and C. Y. Liu*. Multivariable fuzzy measure entropy analysis for heart rate variability and heart sound amplitude variability. Entropy, 2016, 18(12): 430(1)-430(15). (IF 2.494)
88.J. Zhang, C. Y. Liu, C. L. Pan, M. Bai, J. Zhang, Y. Peng, D. C. Zheng and Z. Zhang*. Effect of multiple clinical factors on recurrent angina after percutaneous coronary intervention: a retrospective study from 398 ST-segment elevation myocardial infarction patients. Medicine, 2016, 95(41): e5015(1)-e5015(8).(IF 1.552)
89.H. Tang* and C. Y. Liu*. Changes of pulse characteristics with increased blood pressure: evidence from femoral arterial pulse of anesthetized dog using Gaussian fitting method. Frontiers in Physiology, 2016, 7:404(1)-404(14).(IF 3.367)
90.G. Zhang, C. Y. Liu, L. Z. Ji, J. Yang* and C. C. Liu*. Effect of percutaneous coronary intervention procedure on heart rate variability and pulse transit time variability: A comparison study based on fuzzy measure entropy. Entropy, 2016, 18(7): 246(1)-246(13).(IF 2.494)
91.Y. T. Zhang, S. S. Wei*, C. Di Maria and C. Y. Liu*. Using Lempel-Ziv complexity to assess ECG signal quality. Journal of Medical and Biological Engineering, 2016, 36(5): 625-634. (IF 1.173)
92.P. Li, K. Li, C. Y. Liu, D. C. Zheng, Z. M. Li and C.C. Liu*. Detection of coupling in short physiological series by a joint distribution entropy method. IEEE Transactions on Biomedical Engineering, 2016, 63(11): 2231-2242. (IF 4.424)
93.L. Z. Ji, P. Li, C. Y. Liu, X. P. Wang, J. Yang and C.C. Liu*. Measuringelectromechanical coupling in patients with coronary artery disease and healthy subjects. Entropy, 2016, 18(4): 153(1)-153(16).(IF 2.494)
94.Y. T. Zhang, S. S. Wei*, H. Liu, L. N. Zhao and C. Y. Liu*. A novel Encoding Lempel-Ziv complexity algorithm for quantifying the irregularity of physiological time series. Computer Methods and Programs in Biomedicine, 2016, 133(6): 7-15.(IF 3.632)
95.C. Y. Liu*, D. C. Zheng* and A. Murray. Arteries stiffen with age, but can retain an ability to become more elastic with applied external cuff pressure. Medicine, 2015, 94(41): e1831(1)-e1831(6).(IF 1.552)
96.C. Y. Liu*#, C. Q. Zhang#, L. Zhang, L. N. Zhao, C. C. Liu and H. J. Wang*.Measuring synchronization in coupled simulation and coupled cardiovascular time series: A comparison of different cross entropy measures. Biomedical Signal Processing and Control, 2015, 21(8): 49-57. (IF 3.137)
97.M. F. Xu, S. S. Wei*, X. W. Qin, Y. T. Zhang and C. Y. Liu*. Rule-based method for morphology classification of ST segment in ECG signal. Journal of Medical and Biological Engineering, 2015, 35(6): 816-823. (IF 1.173)
98.L. N. Zhao, S. S. Wei*, C. Q. Zhang, Y. T. Zhang and C. Y. Liu*. Determination of sample entropy and fuzzy measure entropy parameters for distinguishing congestive heart failure from normal sinus rhythm subjects. Entropy, 2015,17(9): 6270-6288.(IF 2.494)
99.L. Z. Ji, C. Y. Liu, P. Li, X. P. Wang, C. Yan and C. C. Liu*. Comparison of heart rate variability between resting state and external-cuff-inflation-and-deflation state: a pilot study. Physiological Measurement, 2015, 36(10):2135-2146.(IF 2.309)
100.A. R. Wang, L. Yang*, C. Y. Liu, J. X. Cui, Y. Li, X. X. Yang, S. Zhang and D. C. Zheng. Athletic differences in the characteristics of the photoplethysmographic pulse shape: Effect of maximal oxygen uptake and maximal muscular voluntary contraction. BioMed Research International, 2015, Volume 2015, 2015: 752570(1)-752570(8). (IF 2.276)
101.P. Li, C. Y. Liu, K. Li, D. C. Zheng, C.C. Liu* and Y. L. Hou*. Assessing the complexity of short-term heartbeat interval series by distribution entropy. Medical & Biological Engineering & Computing, 2015, 53(1): 77-87. (IF 2.022)
102.C. Y. Liu*, L. N. Zhao and C. C. Liu. Effects of blood pressure and sex on the change of wave reflection:Evidence from Gaussian fitting method for radial artery pressure waveform. Plos One, 2014, 9(11): e112895(1)-e112895(7).(IF 2.740)
103.C. Y. Liu*, P. Li, C. Di Maria, L. N. Zhao,H. G. Zhang, Z. Q. Chen*. A multi-step method with signal quality assessment and fine-tuning procedure to locate maternal and fetal QRS complexes from abdominal ECG recordings. Physiological Measurement, 2014, 35(8): 1665-1683.(IF 2.309)
104.C. Y. Liu*, T. Zhuang, L. N. Zhao, F. L. Chang, C. C. Liu, S. S. Wei, Q. Q. Li and D. C. Zheng. Modelling arterial pressure waveform using Gaussian functions and two-stage particle swarm optimizer.BioMed Research International, 2014, 2014: 923260(1)-923260(10). (IF 2.276)
105.C. Y. Liu*, D. C.Zheng*, L. N. Zhao and C. C. Liu. Gaussian fitting for carotid and radial artery pressure waveforms comparison between normal subjects and heart failure patients. Bio-Medical Materials and Engineering, 2014, 24(1): 271-277. (IF 1.243)
106.G. X. Gu, L. Yang*, C. Y. Liu, S. Zhang and D. C. Zheng. Age and blood pressure associated changes in the Gaussian modelling characteristics of the photoplethysmographic pulse. Experimental & Clinical Cardiology, 2014, 20(9): 4943-4951. (IF 0.758)
107.Z. Q. Chen, L. N. Mao, C. Y. Liu, J. R. Blake and D. C. Zheng*. Decreased peripheral arterial volume distensibility in patients with branch retinal vein occlusion in comparison with normal subjects. Scientific Reports, 2014, 4: 6685(1)-6685(6). (IF 3.998)
108.C. Di Maria*, C. Y. Liu, D. C. Zheng, A. Murray and P. Langley. Extracting the foetal ECG from maternal abdominal recordings: Selection of the optimal principal component. Physiological Measurement, 2014, 35(8): 1649-1664. (IF 2.309)
109.Y. T. Zhang, C. Y. Liu, S. S. Wei*, C. Z. Wei and F. F. Liu. ECG quality assessment based on a kernel support vector machine and genetic algorithm with a feature matrix. Journal of Zhejiang University – Science C, 2014, 15(7): 564-573. (IF 1.215)
110.P. Li, C. Y. Liu, X. P. Wang, D. C. Zheng, Y. Y. Li and C. C. Liu*. A low-complexity data-adaptive approach for premature ventricular contraction recognition. Signal, Image and Video Processing, 2014, 8(1): 111-120.(IF 1.794)
111.C. Y. Liu*, D. C.Zheng, A. Murray and C. C. Liu. Modelling carotid and radial artery pulse pressure waveforms by curve fitting with Gaussian functions. Biomedical Signal Processing and Control, 2013, 8(5): 449-454.(IF 3.137)
112.C. Y. Liu*, D. C. Zheng, L. N. Zhao, P. Li, B. Li, A. Murray and C. C. Liu. Elastic properties of peripheral arteries in heart failure patients in comparison with normal subjects. Journal of Physiological Sciences, 2013, 63(3): 195-201. (IF 2.955)
113.C. Y. Liu*, K. Li, L. N. Zhao, F. Liu, D. C. Zheng, C. C. Liu* and S. T. Liu. Analysis of heart rate variability using fuzzy measure entropy. Computers in Biology and Medicine, 2013, 43(2): 100-108. (IF 3.434)
114.P. Li, C. Y. Liu, L. P. Li, L. Z. Ji, S. Y. Yu andC.C. Liu*. Multiscale multivariate fuzzy entropy analysis. Acta Physica Sinica, 2013, 62(12): 120512(1)-120512(9). (in Chinese) (IF 0.732)
115.P. Li, C. Y. Liu, X. P. Wang, L. P. Li, L. Yang, Y. C. Chen and C. C. Liu*. Testing pattern synchronization in coupled systems through different entropy-based measures. Medical & Biological Engineering & Computing, 2013, 51(5): 581-591. (IF 2.022)
116.C. Y. Liu*, L. P. Li, L. N. Zhao, D. C. Zheng, P. Li and C. C. Liu*. A combination method of improved impulse rejection filter and template matching for identification of anomalous intervals in electrocardiographic RR sequences. Journal of Medical and Biological Engineering, 2012, 32(4): 245-250. (IF 1.173)
117.L. P. Li, K. Li, S. G. Cheng, C. Y. Liu and C. C Liu*. Five-class density histogram and its application in short-term heart rate variability. Journal of Medical and Biological Engineering, 2012, 32(4): 287-291. (IF 1.173)
118.C. Y. Liu, C. C. Liu*, P. Shao, L. P. Li, X. Sun, X. P. Wang and F. Liu. Comparison of different threshold values r for approximate entropy: Application to investigate the heart rate variability between heart failure and healthy control groups. Physiological Measurement, 2011, 32(2): 167-180. (IF 2.309)
119.C. Y. Liu*, L. N. Zhao, C. C. Liu and S. S. Wei. Dynamic nodes partition algorithm for Ad Hoc network. China Communications, 2011, 8(8): 44-48. (IF 2.024)
