Publications by authors named "Przemyslaw R Woznowski"

SPHERE is a large multidisciplinary project to research and develop a sensor network to facilitate home healthcare by activity monitoring, specifically towards activities of daily living. It aims to use the latest technologies in low powered sensors, internet of things, machine learning and automated decision making to provide benefits to patients and clinicians. This dataset comprises data collected from a SPHERE sensor network deployment during a set of experiments conducted in the 'SPHERE House' in Bristol, UK, during 2016, including video tracking, accelerometer and environmental sensor data obtained by volunteers undertaking both scripted and non-scripted activities of daily living in a domestic residence.

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Delivering effortless interactions and appropriate interventions through pervasive systems requires making sense of multiple streams of sensor data. This is particularly challenging when these concern people's natural behaviours in the real world. This paper takes a multidisciplinary perspective of annotation and draws on an exploratory study of 12 people, who were encouraged to use a multi-modal annotation app while living in a prototype smart home.

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Article Synopsis
  • Ubiquitous eHealth systems leveraging sensor technologies are essential for addressing the financial challenges of an ageing population.
  • Activity recognition algorithms are central to these systems, relying on both high-quality sensor data and a reliable ground truth for effective training and validation.
  • The development of a hierarchical ontology for activities of daily living (ADL) is proposed to facilitate data sharing and reuse, along with two practical applications demonstrating its effectiveness, while also discussing requirements for future improvements.
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