Monitoring Vital Signs and Movement Using Contactless Sensors: Building a Home of the Future
Elinor Schoenfield, Elinor Schoenfeld, Mengjing Liu, Isac Park, Suvab Baral, Tristan Vozzolo, Jason Mathew, Fan Ye

TL;DR
This paper describes a home monitoring system using wireless sensors to track health and movement, aiming to support aging in place while protecting privacy.
Contribution
The novel contribution is a privacy-preserving, multi-modal home monitoring system with ultra-wideband sensors and HIPAA-compliant data handling for aging populations.
Findings
A home monitoring system was developed and stress-tested for over 10 months with <1% data loss.
19 volunteer sessions were conducted to refine the app and protocol before post-stroke data collection.
The system tracks vital signs, movement, and activities of daily living in real-time.
Abstract
As Americans live longer, there is a growing need to develop and implement technologies to monitor changes in health, supporting aging in place. We have installed privacy-preserving ultra-wideband wireless sensors in a model home to facilitate sensor and algorithm development for future home deployment. These sensors monitor vital signs and provide localization/tracking and activity recognition. We have developed a protocol to continuously collect and measure activities of daily living, location, and gait. We developed a multi-modal app using videos, audio, and texts to guide individuals and track activity completion time. To protect data privacy, raw sensor data is sent to a research cloud, and identifiable image data is sent to a university-supported HIPAA-compliant Box app. We spent >10 months developing, evaluating, stress testing, and improving our system and cloud infrastructure…
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Taxonomy
TopicsContext-Aware Activity Recognition Systems · Balance, Gait, and Falls Prevention · Non-Invasive Vital Sign Monitoring
