Search Results for author: Nicholas J. Wareham

Found 2 papers, 2 papers with code

Self-supervised transfer learning of physiological representations from free-living wearable data

1 code implementation18 Nov 2020 Dimitris Spathis, Ignacio Perez-Pozuelo, Soren Brage, Nicholas J. Wareham, Cecilia Mascolo

Our contributions are two-fold: i) the pre-training task creates a model that can accurately forecast HR based only on cheap activity sensors, and ii) we leverage the information captured through this task by proposing a simple method to aggregate the learnt latent representations (embeddings) from the window-level to user-level.

Human Activity Recognition Representation Learning +1

Learning Generalizable Physiological Representations from Large-scale Wearable Data

2 code implementations9 Nov 2020 Dimitris Spathis, Ignacio Perez-Pozuelo, Soren Brage, Nicholas J. Wareham, Cecilia Mascolo

To date, research on sensor-equipped mobile devices has primarily focused on the purely supervised task of human activity recognition (walking, running, etc), demonstrating limited success in inferring high-level health outcomes from low-level signals, such as acceleration.

Human Activity Recognition Representation Learning +1

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