A real-time arrhythmia heartbeats classification algorithm using parallel delta modulations and rotated linear-kernel support vector machines

X Tang, Z Ma, Q Hu, W Tang - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Real-time wearable electrocardiogram monitoring sensor is one of the best candidates in
assisting cardiovascular disease diagnosis. In this paper, we present a novel real-time …

A smart chair sitting posture recognition system using flex sensors and FPGA implemented artificial neural network

Q Hu, X Tang, W Tang - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
Sitting is the most common status of modern human beings. Some sitting postures may bring
health issues. To prevent the harm from bad sitting postures, a local sitting posture …

An ECG delineation and arrhythmia classification system using slope variation measurement by ternary second-order delta modulators for wearable ECG sensors

X Tang, W Tang - IEEE Transactions on Biomedical Circuits …, 2021 - ieeexplore.ieee.org
This paper presents a system for electrocardiogram (ECG) delineation and arrhythmia
classification. The proposed system consists of a front-end integrated circuit, a delineation …

A real-time patient-specific sleeping posture recognition system using pressure sensitive conductive sheet and transfer learning

Q Hu, X Tang, W Tang - IEEE Sensors Journal, 2020 - ieeexplore.ieee.org
Sleeping is an indispensable activity of human beings. Sleeping postures have a significant
effect on sleeping quality and health. A real-time low-cost sleeping posture recognition …

A vision-based cattle recognition system using tensorflow for livestock water intake monitoring

A Biglari, W Tang - IEEE Sensors Letters, 2022 - ieeexplore.ieee.org
This letter presents a new method for identifying individual cattle for the purpose of tracking
and efficiently measuring their daily water intake using a vision-based machine learning …

A smart sensing system of water quality and intake monitoring for livestock and wild animals

W Tang, A Biglari, R Ebarb, T Pickett, S Smallidge… - Sensors, 2021 - mdpi.com
This paper presents a water intake monitoring system for animal agriculture that tracks
individual animal watering behavior, water quality, and water consumption. The system is …

A fully wireless wearable motion tracking system with 3D human model for gait analysis

K Lee, W Tang - Sensors, 2021 - mdpi.com
This paper presents a wearable motion tracking system with recording and playback
features. This system has been designed for gait analysis and interlimb coordination studies …

A 65nm continuous-time sigma-delta modulator with limited OTA DC gain compensation

VR Gonzalez-Diaz, F Pareschi - IEEE Access, 2020 - ieeexplore.ieee.org
This paper explores the effects of compensating the performance degradation in high-speed
Continuous-Time Sigma-Delta modulators when the loop integrators are implemented …

A delta sigma modulator-based stochastic divider

X Tang, S Liu, F Niknia, P Reviriego… - … on Circuits and …, 2022 - ieeexplore.ieee.org
The divider is one of the most complex hardware units in Stochastic Computing (SC); even
though several new designs have been presented to reduce the computation latency of the …

Energy-efficient anti-flocking control for mobile sensor networks on uneven terrains

N Ganganath, W Yuan, T Fernando… - … on Circuits and …, 2018 - ieeexplore.ieee.org
Anti-flocking controlled mobile sensor networks (MSNs) have demonstrated impressive
dynamic area coverage performances. Even though MSNs are often utilized in outdoor …