M. Villarroel

Publications31
h-index10
Citations1,448
Highly Influential Citations88
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Multiparameter Intelligent Monitoring in Intensive Care II: A public-access intensive care unit database*
Objective:We sought to develop an intensive care unit research database applying automated techniques to aggregate high-resolution diagnostic and therapeutic data from a large, diverse population of… Expand
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Automated de-identification of free-text medical records
TLDR
We describe an automated Perl-based de-identification software package that is generally usable on most free-text medical records, e.g., nursing notes, discharge summaries, X-ray reports, etc. Expand
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Continuous non-contact vital sign monitoring in neonatal intensive care unit
Current technologies to allow continuous monitoring of vital signs in pre-term infants in the hospital require adhesive electrodes or sensors to be in direct contact with the patient. These can cause… Expand
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Open-access MIMIC-II database for intensive care research
TLDR
The critical state of intensive care unit (ICU) patients demands close monitoring, and as a result a large volume of multi-parameter data is collected continuously. Expand
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Non-contact measurement of oxygen saturation with an RGB camera.
TLDR
A novel method (Sophia) is presented to track oxygen saturation changes in a controlled environment using an RGB camera placed approximately 1.5 m away from the subject. Expand
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Multi-Task Convolutional Neural Network for Patient Detection and Skin Segmentation in Continuous Non-Contact Vital Sign Monitoring
TLDR
We develop a multi-task convolutional neural network for detecting the presence of a patient and segmenting the patient’s skin regions. Expand
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Waveform Analysis to Estimate Respiratory Rate
Several techniques have been developed for estimation of respiratory rate (RR) from physiological waveforms. This case study presents a comparison of exemplary techniques for estimation of RR from… Expand
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User guide and documentation for the MIMIC II database (version 2, release 1)
This User Guide is intended to describe the MIMIC II (Multiparameter Intelligent Monitoring in Intensive Care) database, an Intensive Care Unit (ICU) database which is freely available, together with… Expand
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Non-Contact Monitoring of Respiration in the Neonatal Intensive Care Unit
TLDR
We present a novel method for the extraction of respiration from camera-based measurements taken from the top-view of an incubator. Expand
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Cardio-respiratory signal extraction from video camera data for continuous non-contact vital sign monitoring using deep learning
TLDR
We propose a deep learning framework to tackle the identification of time periods and skin regions of interest (ROIs) from which vital signs can be estimated. Expand
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