Context-Aware Activity Recognition Systems

75 works in the bibliography carry this topic. Each used an Axivity accelerometer to collect data, or evaluated one as an instrument.

Search and filter within this topic

2026

  1. Development and evaluation of wrist- and thigh-worn accelerometer algorithms using self-training machine learning models for classification of activity type and posture: towards device placement-agnostic methods in the ProPASS consortium (opens in new tab)
  2. Do Movement Summary Metrics Produce Comparable Outputs Across Different Accelerometer Brands in Free Living? (opens in new tab)
  3. Dual foundation models for accelerometry predict future health (opens in new tab)
  4. Evaluating Open-Source Wrist-Worn Accelerometer Models for Sedentary Time Detection Against Thigh-Worn Accelerometer Data (opens in new tab)
  5. Feature Anchors for Time-Series Sensor-Based Human Activity Recognition

  6. Free-Living Human Activity Recognition (FL-HAR) using Frequency Domain Feature and Machine Learning Algorithms (opens in new tab)
  7. Hybrid Deep Learning Models for Free-Living Imbalanced Human Activity Recognition: Comparative Study (opens in new tab)
  8. Real-World Gait Analysis for Older Adults: Identifying Optimal Gait Bouts and Reconstructing Lower-Back Signals from Wrist-Worn Devices (opens in new tab)

2025

  1. A Methodological Framework for Analyzing and Differentiating Daily Physical Activity Across Groups Using Digital Biomarkers from the Frequency Domain (opens in new tab)
  2. Activity Detection of Paralympic Athletes with Lower Limb Running-Specific Prosthesis During Extended Periods of Time: Software Development and Preliminary Validation (opens in new tab)
  3. An Effective Approach for Wearable Sensor-Based Human Activity Recognition in Elderly Monitoring (opens in new tab)
  4. Classification of 24-hour movement behaviors from wrist-worn accelerometer data: from handcrafted features to deep learning techniques (opens in new tab)
  5. Cohort profile: baseline characteristics and design of the McMaster Monitoring My Mobility (MacM3) study – a prospective digital mobility cohort of community-dwelling older Canadians from Southern Ontario (opens in new tab)
  6. Exploring parameter optimisation in machine learning algorithms for locomotor task discrimination using wearable sensors (opens in new tab)
  7. Federated Learning for IoMT-Enhanced Human Activity Recognition with Hybrid LSTM-GRU Networks (opens in new tab)
  8. iPlayer: an open-source tool for time-windowed video annotation of human physical activity and behaviour (opens in new tab)
  9. Mesure de l’activité physique favorable à la santé : développement d’une approche objective et in situ (opens in new tab)
  10. Predictive performance of wearable sensors for mortality risk in older adults: a model development and validation study (opens in new tab)
  11. Sensor for sports applications: monitoring and assessment of intrinsic capacity enhancement in older adults during brisk walking (opens in new tab)
  12. Validation and comparative study of the Motus system for accurately identifying movement behaviours using different sampling frequencies (opens in new tab)

2024

  1. Adaptive Hierarchical Classification for Human Activity Recognition Using Inertial Measurement Unit (IMU) Time-Series Data (opens in new tab)
  2. An Approach for Human Posture Recognition Based on the Fusion PSE-CNN-BiGRU Model (opens in new tab)
  3. CAPTURE-24: A large dataset of wrist-worn activity tracker data collected in the wild for human activity recognition (opens in new tab)
  4. Composite activity type and stride-specific energy expenditure estimation model for thigh-worn accelerometry (opens in new tab)
  5. Daily physical activity in older adults across levels of care: the HUNT Trondheim 70 + study (opens in new tab)
  6. Development of machine learning-based algorithms for classifying physical activity intensity using wrist and thigh worn wearables (opens in new tab)
  7. ERG-AI: enhancing occupational ergonomics with uncertainty-aware ML and LLM feedback (opens in new tab)
  8. Full-Body Activity Recognition Using Inertial Signals (opens in new tab)
  9. Mitigating data quality challenges in ambulatory wrist-worn wearable monitoring through analytical and practical approaches (opens in new tab)
  10. NiMBaLWear analytics pipeline for wearable sensors: a modular, open-source platform for evaluating multiple domains of health and behaviour (opens in new tab)
  11. Private Data Leakage in Federated Human Activity Recognition for Wearable Healthcare Devices (opens in new tab)
  12. Quantitative Analysis of Mother Wavelet Function Selection for Wearable Sensors-Based Human Activity Recognition (opens in new tab)
  13. Self-Supervised Machine Learning to Characterize Step Counts from Wrist-Worn Accelerometers in the UK Biobank (opens in new tab)
  14. SelfPAB: large-scale pre-training on accelerometer data for human activity recognition (opens in new tab)
  15. Towards Learning Discrete Representations via Self-Supervision for Wearables-Based Human Activity Recognition (opens in new tab)

2023

  1. Human Activity Recognition Using Self-Supervised Representations of Wearable Data (opens in new tab)
  2. Reducing the Impact of Sensor Orientation Variability in Human Activity Recognition Using a Consistent Reference System (opens in new tab)
  3. Sensors for Human Physical Behaviour Monitoring (opens in new tab)
  4. Validation of an Activity Type Recognition Model Classifying Daily Physical Behavior in Older Adults: The HAR70+ Model (opens in new tab)
  5. Validation of Oura ring energy expenditure and steps in laboratory and free-living (opens in new tab)

2022

  1. A software system for the assessment of the sleep-wake rhythm using Axivity AX3 (opens in new tab)
  2. GGIRread: Wearable Accelerometer Data File Readers (opens in new tab)
  3. Investigating Wrist-Based Acceleration Summary Measures across Different Sample Rates towards 24-Hour Physical Activity and Sleep Profile Assessment (opens in new tab)
  4. Personalised Gait Recognition for People with Neurological Conditions (opens in new tab)
  5. POPULATION ANALYSIS OF MORTALITY RISK: PREDICTIVE MODELS USING MOTION SENSORS FOR 100,000 PARTICIPANTS IN THE UK BIOBANK NATIONAL COHORT (opens in new tab)
  6. Putting Temperature into the Equation: Development and Validation of Algorithms to Distinguish Non-Wearing from Inactivity and Sleep in Wearable Sensors (opens in new tab)
  7. Quantification of acceleration as activity counts in ActiGraph wearable (opens in new tab)
  8. Quantification of Acceleration as Activity Counts in ActiGraph Wearables (opens in new tab)

2021

  1. A Machine Learning Classifier for Detection of Physical Activity Types and Postures During Free-Living (opens in new tab)
  2. Estimation of kinetic energy harvesting potential for self-powered wearable devices with 67,000 participants from the UK Biobank (opens in new tab)
  3. Reallocation of time between device-measured movement behaviours and risk of incident cardiovascular disease (opens in new tab)
  4. Wearable Based Calibration of Contactless In-home Motion Sensors for Physical Activity Monitoring in Community-Dwelling Older Adults (opens in new tab)

2020

  1. Impact of Reduced Sampling Rate on Accelerometer-based Physical Activity Monitoring and Machine Learning Activity Classification (opens in new tab)
  2. Personalized and Weakly Supervised Learning for Parkinson's Disease Symptom Detection (opens in new tab)
  3. Potential of Ambient Sensor Systems for Early Detection of Health Problems in Older Adults (opens in new tab)
  4. Workplace activity classification from shoe-based movement sensors (opens in new tab)

2019

  1. A data-driven, meaningful, easy to interpret, standardised accelerometer outcome variable for global surveillance (opens in new tab)
  2. A Dual-Accelerometer System for Detecting Human Movement in a Free-living Environment (opens in new tab)
  3. Comparison of physical behavior estimates from three different thigh-worn accelerometers brands: a proof-of-concept for the Prospective Physical Activity, Sitting, and Sleep consortium (ProPASS) (opens in new tab)
  4. Effects of Frequency Filtering on Intensity and Noise in Accelerometer-Based Physical Activity Measurements (opens in new tab)
  5. Ensemble Classifier Managing Uncertainty in Accelerometer Data within Human Activity Recognition Systems

  6. Inertial wearables as pragmatic tools in dementia (opens in new tab)
  7. Machine learning methods for sleep-wake classification using two body-worn accelerometers

  8. MEx - Multi-modal Exercise Dataset for Human Activity Recognition (opens in new tab)
  9. P2‐220: GAIT IMPAIRMENTS IN DEMENTIA SUBTYPES: CONSIDERING THE IMPACT OF ENVIRONMENTAL CONTEXT (opens in new tab)

2018

  1. A Dual-Accelerometer System for Classifying Physical Activity in Children and Adults (opens in new tab)
  2. Designing free-living quantitative reports for Parkinson’s

  3. TD‐P‐015: CONTINUOUS MONITORING OF GAIT: WHAT CAN IT TELL US ABOUT DEMENTIA? (opens in new tab)

2017

  1. Accelerometer-assessed Physical Activity in Epidemiology (opens in new tab)
  2. Generating ActiGraph Counts from Raw Acceleration Recorded by an Alternative Monitor (opens in new tab)
  3. Learning deep features for kNN-based human activity recognition.

  4. Tea, talk and technology: patient and public involvement to improve connected health ‘wearables’ research in dementia (opens in new tab)

2016

  1. Validation of algorithms for physical activity type detection in children using raw acceleration data (opens in new tab)

2013

  1. Recognizing Physical Training Exercises Using the Axivity Device.

  2. Wearable Recognition System for Physical Activities (opens in new tab)