Articles

Monitoring and Analysis of Respiratory Patterns Using Microwave Doppler Radar
Author(s)3: Yee Siong Lee, Pubudu N. Pathirana, Terry Caelli, Christopher Louis Steinfort
Monitoring and Analysis of Respiratory Patterns Using Microwave Doppler Radar 540 226 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

Non-contact detection characteristic of Doppler radar provides an unobtrusive means of respiration detection and monitoring. This avoids additional preparations such as physical sensor attachment or special clothing which can be…

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Automatic Detection and Classification of Unsafe Events during Power Wheelchair Use
Author(s)3: Joelle Pineau, Athena K. Moghaddam, Hiu Kim Yuen, Philippe S. Archambault, Francois Routhier, Francois Michaud, Patrick Boissy
Automatic Detection and Classification of Unsafe Events during Power Wheelchair Use 540 238 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

Using a powered wheelchair (PW) is a complex task requiring advanced perceptual and motor control skills. We develop technological tools that can be used to characterize a PW user’s driving…

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The waveform of the photoplethysmographic image (PPGi) signals may be significantly affected by the light spectra and intensity. The purpose of this study is to evaluate the performance of PPGi aveform acquisition in the red, green and blue channels using a commercial camera in different light conditions. The fitted curve of PPGi amplitudes in the RGB channels with different light intensity for 470 nm, 490 nm, 505 nm, 590 nm, 600 nm, 610 nm, 625 nm, 660 nm wavelengths and white light. X-axes represent averaging DC output form pixels and y-axes represent averaging AC output form pixels. These representative data are from one male, age 30 years old.

The Effect of Light Conditions on Photoplethysmographic Image Acquisition Using a Commercial Camera
Author(s)3: He Liu, Yadong Wang, Lei Wang
The Effect of Light Conditions on Photoplethysmographic Image Acquisition Using a Commercial Camera 540 211 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

The waveform of the photoplethysmographic image (PPGi) signals may be significantly affected by the light spectra and intensity. The purpose of this study is to evaluate the performance of PPGi…

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A Bayesian Algorithm for Anxiety Index Prediction Based on Cerebral Blood Oxygenation in the Prefrontal Cortex Measured by Near Infrared Spectroscopy
A Bayesian Algorithm for Anxiety Index Prediction Based on Cerebral Blood Oxygenation in the Prefrontal Cortex Measured by Near Infrared Spectroscopy 540 227 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

Stress-induced psychological and somatic diseases are virtually endemic nowadays. Written self-report anxiety measures are available; however, these indices tend to be time consuming to acquire. For medical patients, completing written…

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Pre to Intraoperative Data Fusion Framework for Multimodal Characterization of Myocardial Scar Tissue
Pre to Intraoperative Data Fusion Framework for Multimodal Characterization of Myocardial Scar Tissue 540 242 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

Merging multimodal information about myocardial scar tissue can help electrophysiologists to find the most appropriate target during catheter ablation of ventricular arrhythmias. A framework is presented to analyze and combine…

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Controlling knee swing initiation and ankle plantarflexion with an active prosthesis on level and inclined surfaces at variable walking speeds
Controlling knee swing initiation and ankle plantarflexion with an active prosthesis on level and inclined surfaces at variable walking speeds 150 150 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

Improving lower-limb prostheses is important to enhance the mobility of amputees. The purpose of this study was to introduce an impedance-based control strategy (consisting of four novel algorithms) for an…

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This study evaluated an experimental procedure for providing data on the complex permittivity of different cell lines in the 2-50 GHz range at room temperature, for the purpose of future dosimetric studies. The complex permittivity measurements were performed on cells suspended in culture medium using an open-ended coaxial probe. The results demonstrate the method to be a viable technique for distinguishing between different cancerous and non-cancerous cell types. Other possible clinical applications include optimizing exposure frequency for hyperthermia treatment.

Experimental Procedure for Determination of the Dielectric Properties of Biological Samples in the 2-50 GHz Range
Experimental Procedure for Determination of the Dielectric Properties of Biological Samples in the 2-50 GHz Range 540 295 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

This study evaluated an experimental procedure for providing data on the complex permittivity of different cell lines in the 2-50 GHz range at room temperature, for the purpose of future…

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Panel B shows 12 minutes of bipolar EEG from Fp2-F4 (1-70 Hz, 200 S/s). Panel A is the corresponding spectrogram. Panel E shows 30 seconds of EEG from Panel B at the onset of the generalized seizure (dashed line). Panels C, D, and F are the corresponding tEEG signals from Fp2’ (1-100 Hz, 200 S/s). Note the high gamma-band burst HFOs just prior to the partial seizure (highlighted by ellipse in panel C).

High-Frequency Oscillations Recorded on the Scalp of Patients with Epilepsy Using Tripolar Concentric Ring Electrodes
High-Frequency Oscillations Recorded on the Scalp of Patients with Epilepsy Using Tripolar Concentric Ring Electrodes 540 508 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

Panel B shows 12 minutes of bipolar EEG from Fp2-F4 (1-70 Hz, 200 S/s). Panel A is the corresponding spectrogram. Panel E shows 30 seconds of EEGfrom Panel B at…

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Effective CPR Procedure with Real Time Evaluation and Feedback Using Smartphones
Effective CPR Procedure with Real Time Evaluation and Feedback Using Smartphones 540 333 IEEE Journal of Translational Engineering in Health and Medicine (JTEHM)

Timely CPR can mean the difference between life and death. A trained person may not be available at emergency sites to give CPR. Normally, a 9-1-1 operator gives verbal instructions…

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