Search Results - "Zheng, Dingchang"

Recent development of respiratory rate measurement technologies by Liu, Haipeng, Allen, John, Zheng, Dingchang, Chen, Fei

“…Respiratory rate (RR) is an important physiological parameter whose abnormality has been regarded as an important indicator of serious illness. In order to…”
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Quantitative Comparison of Photoplethysmographic Waveform Characteristics: Effect of Measurement Site by Hartmann, Vera, Liu, Haipeng, Chen, Fei, Qiu, Qian, Hughes, Stephen, Zheng, Dingchang

“…Photoplethysmography (PPG) has been widely used to assess cardiovascular function. However, few studies have comprehensively investigated the effect of…”
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Index of microcirculatory resistance: state-of-the-art and potential applications in computational simulation of coronary artery disease by Geng, Yingyi, Wu, Xintong, Liu, Haipeng, Zheng, Dingchang, Xia, Ling

“…The dysfunction of coronary microcirculation is an important cause of coronary artery disease (CAD). The index of microcirculatory resistance (IMR) is a…”
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Microaneurysms detection in color fundus images using machine learning based on directional local contrast by Long, Shengchun, Chen, Jiali, Hu, Ante, Liu, Haipeng, Chen, Zhiqing, Zheng, Dingchang

“…As one of the major complications of diabetes, diabetic retinopathy (DR) is a leading cause of visual impairment and blindness due to delayed diagnosis and…”
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Automatic recognition of uterine contractions with electrohysterogram signals based on the zero-crossing rate by Song, Xiaoxiao, Qiao, Xiangyun, Hao, Dongmei, Yang, Lin, Zhou, Xiya, Xu, Yuhang, Zheng, Dingchang

“…Uterine contraction (UC) is an essential clinical indicator in the progress of labour and delivery. Electrohysterogram (EHG) signals recorded on the abdomen of…”
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Toward Accurate Extraction of Respiratory Frequency From the Photoplethysmogram: Effect of Measurement Site by Hartmann, Vera, Liu, Haipeng, Chen, Fei, Hong, Wentao, Hughes, Stephen, Zheng, Dingchang

“…It is known that the respiration-modulated photoplethysmographic (PPG) signals could be used to derive respiratory frequency (RF) and that PPG signals could be…”
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Comparison of Newtonian and Non-newtonian Fluid Models in Blood Flow Simulation in Patients With Intracranial Arterial Stenosis by Liu, Haipeng, Lan, Linfang, Abrigo, Jill, Ip, Hing Lung, Soo, Yannie, Zheng, Dingchang, Wong, Ka Sing, Wang, Defeng, Shi, Lin, Leung, Thomas W, Leng, Xinyi

“…Newtonian fluid model has been commonly applied in simulating cerebral blood flow in intracranial atherosclerotic stenosis (ICAS) cases using computational…”
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Systematic Review on Fabrication, Properties, and Applications of Advanced Materials in Wearable Photoplethysmography Sensors by Mathew, Jinu, Zheng, Dingchang, Xu, Jianwei, Liu, Haipeng

“…Photoplethysmography (PPG) technology enables the measurement of multiple physiological and psychological parameters with low‐cost wearable sensors and is…”
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Influences of Sensor Placement Site and Subject Posture on Measurement of Respiratory Frequency Using Triaxial Accelerometers by Hughes, Stephen, Liu, Haipeng, Zheng, Dingchang

“…Respiration frequency (RF) could be derived from the respiratory signals recorded by accelerometers which detect chest wall movements. The optimum direction of…”
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Hospitalization Patient Forecasting Based on Multi–Task Deep Learning by Zhou, Min, Huang, Xiaoxiao, Liu, Haipeng, Zheng, Dingchang

“…Forecasting the number of hospitalization patients is important for hospital management. The number of hospitalization patients depends on three types of…”
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Analysis of heart rate variability using fuzzy measure entropy by Liu, Chengyu, Li, Ke, Zhao, Lina, Liu, Feng, Zheng, Dingchang, Liu, Changchun, Liu, Shutang

“…Abstract This paper proposed a new entropy measure, Fuzzy Measure Entropy (FuzzyMEn), for the analysis of heart rate variability (HRV) signals. FuzzyMEn was…”
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Editorial: Multi-Scale Computational Cardiology by Xia, Ling, Zhang, Henggui, Zheng, Dingchang

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Cuffless Blood Pressure Estimation Using Single Channel Photoplethysmography: A Two-Step Method by Khalid, Syed Ghufran, Liu, Haipeng, Zia, Tahir, Zhang, Jufen, Chen, Fei, Zheng, Dingchang

“…Traditional cuff-based blood pressure (BP) monitoring procedure causes inconvenience and discomfort to the users. To overcome these limitations, cuffless BP…”
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Filtering-induced changes of pulse transmit time across different ages: a neglected concern in photoplethysmography-based cuffless blood pressure measurement by Liao, Shangdi, Liu, Haipeng, Lin, Wan-Hua, Zheng, Dingchang, Chen, Fei

“…Pulse transit time (PTT) is a key parameter in cuffless blood pressure measurement based on photoplethysmography (PPG) signals. In wearable PPG sensors, raw…”
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Effect of intracranial pressure on photoplethysmographic waveform in different cerebral perfusion territories: A computational study by Liu, Haipeng, Pan, Fan, Lei, Xinyue, Hui, Jiyuan, Gong, Ru, Feng, Junfeng, Zheng, Dingchang

“…Intracranial photoplethysmography (PPG) signals can be measured from extracranial sites using wearable sensors and may enable long-term non-invasive monitoring…”
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Real-Time Evaluation of Time-Domain Pulse Rate Variability Parameters in Different Postures and Breathing Patterns Using Wireless Photoplethysmography Sensor: Towards Remote Healthcare in Low-Resource Communities by Pineda-Alpizar, Felipe, Arriola-Valverde, Sergio, Vado-Chacón, Mitzy, Sossa-Rojas, Diego, Liu, Haipeng, Zheng, Dingchang

“…Photoplethysmography (PPG) signals have been widely used in evaluating cardiovascular biomarkers, however, there is a lack of in-depth understanding of the…”
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Significance of considering respiratory movement in estimating sleep stage by Liu, Haipeng, Xu, Yuhang, Zheng, Dingchang

“…We read with great interest the paper “Sleep stage estimationmethods using a camera for home use” by Nochino et al. [ 1 ]. The paper proposed a method of sleep…”
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Variation of the Korotkoff Stethoscope Sounds During Blood Pressure Measurement: Analysis Using a Convolutional Neural Network by Fan Pan, Peiyu He, Chengyu Liu, Taiyong Li, Murray, Alan, Dingchang Zheng

“…Korotkoff sounds are known to change their characteristics during blood pressure (BP) measurement, resulting in some uncertainties for systolic and diastolic…”
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Fabrication and Evaluation of a Novel Non-Invasive Stretchable and Wearable Respiratory Rate Sensor Based on Silver Nanoparticles Using Inkjet Printing Technology by Al-Halhouli, Ala’aldeen, Al-Ghussain, Loiy, El Bouri, Saleem, Liu, Haipeng, Zheng, Dingchang

“…The respiration rate (RR) is a key vital sign that links to adverse clinical outcomes and has various important uses. However, RR signals have been neglected…”
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Clinical Evaluation of Respiratory Rate Measurements on COPD (Male) Patients Using Wearable Inkjet-Printed Sensor by Al-Halhouli, Ala'aldeen, Al-Ghussain, Loiy, Khallouf, Osama, Rabadi, Alexander, Alawadi, Jafar, Liu, Haipeng, Al Oweidat, Khaled, Chen, Fei, Zheng, Dingchang

“…Chronic Obstructive Pulmonary Disease (COPD) is a progressive disease that causes long-term breathing problems. The reliable monitoring of respiratory rate…”
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