Publications de Grégoire Casimir Joseph Surrel

Low Power Sensing and Processing in Wearable Biomedical Devices for Personalized Health Monitoring

Whether it is for personal use or for medical application, wearable sensors are becoming more and more widespread. This is the industry answer to two parallel trends. First, the public show a wish to collect data about their own lifestyle. This rather new ...

EPFL2019

Event-Triggered Sensing for High-Quality and Low-Power Cardiovascular Monitoring Systems

David Atienza Alonso, Amir Aminifar, Grégoire Casimir Joseph Surrel, Tomas Teijeiro Campo

In the context of wearable medical systems, resources are scarce while performance requirements are high. Traditional sampling strategies create large amounts of data, which hinders the device's battery lifetime. However, energy savings are possible when r ...

2019

Online Obstructive Sleep Apnea Detection on Medical Wearable Sensors

David Atienza Alonso, Srinivasan Murali, Francisco Javier Rincon Vallejos, Amir Aminifar, Grégoire Casimir Joseph Surrel

Obstructive Sleep Apnea (OSA) is one of the main under-diagnosed sleep disorder. It is an aggravating factor for several serious cardiovascular diseases, including stroke. There is, however, a lack of medical devices for long-term ambulatory monitoring of ...

2018

Wireless Monitoring of Endogenous and Exogenous Biomolecules on an Android Interface

Giovanni De Micheli, Cristina Boero, Sandro Carrara, Irene Taurino, Camilla Baj-Rossi, Grégoire Casimir Joseph Surrel, Stefano Riario, Francesca Stradolini

Monitoring patients in intensive care units is generally expensive and time consuming. A prompter medical intervention for those critical patients is a key factor for their safety. Therefore, a system that offers immediate visualization of the monitored da ...

Institute of Electrical and Electronics Engineers2016

Real-Time Probabilistic Heart Beat Classification and Correction for Embedded Systems

David Atienza Alonso, Srinivasan Murali, Francisco Javier Rincon Vallejos, Grégoire Casimir Joseph Surrel

With the emergence of wearable and non-intrusive med- ical devices, one major challenge is the real-time analysis of the acquired signals in real-life and ambulatory con- ditions. This paper presents a lightweight algorithm for on-line heart beat classific ...

2015

Full System for Translational Studies of Personalized Medicine with Free-Moving Mice (invited)

Catherine Dehollain, Giovanni De Micheli, Cristina Boero, Sandro Carrara, Enver Gürhan Kilinç, Camilla Baj-Rossi, Seyedeh Sara Ghoreishizadeh, Grégoire Casimir Joseph Surrel, Stefano Riario, Francesca Stradolini

A full remotely powered system for metabolism monitoring of free-moving mice is presented here. The fully implantable sensing platform hosts two ASICs, one off-the-shelf micro-controller, four biosensors, two other sensors, a coil to receive power, and an ...

2015