Search Results for author: Chi Ian Tang

Found 9 papers, 4 papers with code

Balancing Continual Learning and Fine-tuning for Human Activity Recognition

no code implementations4 Jan 2024 Chi Ian Tang, Lorena Qendro, Dimitris Spathis, Fahim Kawsar, Akhil Mathur, Cecilia Mascolo

These schemes re-purpose contrastive learning for knowledge retention and, Kaizen combines that with self-training in a unified scheme that can leverage unlabelled and labelled data for continual learning.

Continual Learning Contrastive Learning +3

Kaizen: Practical Self-supervised Continual Learning with Continual Fine-tuning

1 code implementation30 Mar 2023 Chi Ian Tang, Lorena Qendro, Dimitris Spathis, Fahim Kawsar, Cecilia Mascolo, Akhil Mathur

Kaizen is able to balance the trade-off between knowledge retention and learning from new data with an end-to-end model, paving the way for practical deployment of continual learning systems.

Continual Learning Knowledge Distillation +1

Improving Feature Generalizability with Multitask Learning in Class Incremental Learning

no code implementations26 Apr 2022 Dong Ma, Chi Ian Tang, Cecilia Mascolo

Many deep learning applications, like keyword spotting, require the incorporation of new concepts (classes) over time, referred to as Class Incremental Learning (CIL).

Class Incremental Learning Incremental Learning +2

ColloSSL: Collaborative Self-Supervised Learning for Human Activity Recognition

no code implementations1 Feb 2022 Yash Jain, Chi Ian Tang, Chulhong Min, Fahim Kawsar, Akhil Mathur

In this paper, we extend this line of research and present a novel technique called Collaborative Self-Supervised Learning (ColloSSL) which leverages unlabeled data collected from multiple devices worn by a user to learn high-quality features of the data.

Contrastive Learning Human Activity Recognition +2

Evaluating Contrastive Learning on Wearable Timeseries for Downstream Clinical Outcomes

no code implementations13 Nov 2021 Kevalee Shah, Dimitris Spathis, Chi Ian Tang, Cecilia Mascolo

Vast quantities of person-generated health data (wearables) are collected but the process of annotating to feed to machine learning models is impractical.

Contrastive Learning Data Augmentation +3

Exploring Contrastive Learning in Human Activity Recognition for Healthcare

1 code implementation23 Nov 2020 Chi Ian Tang, Ignacio Perez-Pozuelo, Dimitris Spathis, Cecilia Mascolo

Human Activity Recognition (HAR) constitutes one of the most important tasks for wearable and mobile sensing given its implications in human well-being and health monitoring.

Contrastive Learning Human Activity Recognition

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