Journal article in 2012 and before
A combination method of improved impulse rejection filter and template matching for identification of anomalous intervals in electrocardiographic RR sequences
Chengyu Liu*, Liping Li, Lina Zhao, Dingchang Zheng, Peng Li & Changchun Liu*
Journal of Medical and Biological Engineering, 2012, 32(4): 245-250.
Comparison of different threshold values r for approximate entropy: Application to investigate the heart rate variability between heart failure and healthy control groups
Chengyu Liu, Changchun Liu*, Peng Shao, Liping Li, Xin Sun, Xinpei Wang & Feng Liu
Physiological Measurement, 2011, 32(2): 167-180.
Five-class density histogram and its application in short-term heart rate variability
Liping Li, Ke Li, Shanguang Cheng, Chengyu Liu & Changchun Liu*
Journal of Medical and Biological Engineering, 2012, 32(4): 287-291.
Dynamic nodes partition algorithm for Ad Hoc network
Chengyu Liu*, Lina Zhao, Changchun Liu & Shoushui Wei
China Communications, 2011, 8(8): 44-48.
A new method in short-term heart rate variability---five-class density histogram
Liping Li, Ke Li, Changchun Liu*, Chengyu Liu & Yuanyang Li
World Academy of Science, Engineering and Technology, 2011, 81: 716-719
Comparison of detrending methods in spectral analysis of heart rate variability
Liping Li, Ke Li, Changchun Liu* & Chengyu Liu
Research Journal of Applied Sciences, Engineering and Technology, 2011, 3(11): 292-295
The significance of short-time quantitative analysis of the histogram in patients with congestive heart failure
Liping Li, Chengyu Liu, Qingguang Zhang, Bin Li & ChangchunLiu*
Circulation, 2010, 122(2): 230-231.