Applying machine learning for sensor data analysis in interactive systems: Common pitfalls of pragmatic use and ways to avoid them

T PlÖtz - ACM Computing Surveys (CSUR), 2021 - dl.acm.org
With the widespread proliferation of (miniaturized) sensing facilities and the massive growth
and popularity of the field of machine learning (ML) research, new frontiers in automated …

Assessing the state of self-supervised human activity recognition using wearables

H Haresamudram, I Essa, T Plötz - … of the ACM on Interactive, Mobile …, 2022 - dl.acm.org
The emergence of self-supervised learning in the field of wearables-based human activity
recognition (HAR) has opened up opportunities to tackle the most pressing challenges in the …

Contrastive predictive coding for human activity recognition

H Haresamudram, I Essa, T Plötz - … of the ACM on Interactive, Mobile …, 2021 - dl.acm.org
Feature extraction is crucial for human activity recognition (HAR) using body-worn
movement sensors. Recently, learned representations have been used successfully, offering …

Learning hierarchical time series data augmentation invariances via contrastive supervision for human activity recognition

D Cheng, L Zhang, C Bu, H Wu, A Song - Knowledge-Based Systems, 2023 - Elsevier
Human activity recognition (HAR) using wearable sensors is always a research hotspot in
ubiquitous computing scenario, in which feature learning has played a crucial role. Recent …

Masked reconstruction based self-supervision for human activity recognition

H Haresamudram, A Beedu, V Agrawal… - Proceedings of the …, 2020 - dl.acm.org
The ubiquitous availability of wearable sensing devices has rendered large scale collection
of movement data a straightforward endeavor. Yet, annotation of these data remains a …

Imutube: Automatic extraction of virtual on-body accelerometry from video for human activity recognition

H Kwon, C Tong, H Haresamudram, Y Gao… - Proceedings of the …, 2020 - dl.acm.org
The lack of large-scale, labeled data sets impedes progress in developing robust and
generalized predictive models for on-body sensor-based human activity recognition (HAR) …

Wearable sensor-based human activity recognition with hybrid deep learning model

YJ Luwe, CP Lee, KM Lim - Informatics, 2022 - mdpi.com
It is undeniable that mobile devices have become an inseparable part of human's daily
routines due to the persistent growth of high-quality sensor devices, powerful computational …

Contrastive self-supervised learning for sensor-based human activity recognition

B Khaertdinov, E Ghaleb… - 2021 IEEE International …, 2021 - ieeexplore.ieee.org
Deep Learning models, applied to a sensor-based Human Activity Recognition task, usually
require vast amounts of annotated time-series data to extract robust features. However …

Self-supervised learning for human activity recognition using 700,000 person-days of wearable data

H Yuan, S Chan, AP Creagh, C Tong, A Acquah… - NPJ digital …, 2024 - nature.com
Accurate physical activity monitoring is essential to understand the impact of physical activity
on one's physical health and overall well-being. However, advances in human activity …

Human activity recognition from wearable sensor data using self-attention

S Mahmud, M Tanjid Hasan Tonmoy… - ECAI 2020, 2020 - ebooks.iospress.nl
Abstract Human Activity Recognition from body-worn sensor data poses an inherent
challenge in capturing spatial and temporal dependencies of time-series signals. In this …