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Human activity recognition (HAR) with deep learning models relies on large amounts of labeled data, often challenging to obtain due to associated cost, time, and labor. Self-supervised learning (SSL) has emerged as an effective approach to…

计算机视觉与模式识别 · 计算机科学 2025-03-25 Dominique Nshimyimana , Vitor Fortes Rey , Sungho Suh , Bo Zhou , Paul Lukowicz

In recent years, deep neural networks (DNNs) have been found very successful for multi-label classification (MLC) of remote sensing (RS) images. Self-supervised pre-training combined with fine-tuning on a randomly selected small training…

计算机视觉与模式识别 · 计算机科学 2023-06-22 Lars Möllenbrok , Begüm Demir

Activity recognition using built-in sensors in smart and wearable devices provides great opportunities to understand and detect human behavior in the wild and gives a more holistic view of individuals' health and well being. Numerous…

信号处理 · 电气工程与系统科学 2020-11-16 Mehrdad Fazli , Kamran Kowsari , Erfaneh Gharavi , Laura Barnes , Afsaneh Doryab

Vision-based human activity recognition (HAR) has made substantial progress in recognizing predefined gestures but lacks adaptability for emerging activities. This paper introduces a paradigm shift by harnessing generative modeling and…

In this paper, we explore how we can build upon the data and models of Internet images and use them to adapt to robot vision without requiring any extra labels. We present a framework called Self-supervised Embodied Active Learning (SEAL).…

计算机视觉与模式识别 · 计算机科学 2021-12-03 Devendra Singh Chaplot , Murtaza Dalal , Saurabh Gupta , Jitendra Malik , Ruslan Salakhutdinov

The performance of Human Activity Recognition (HAR) models, particularly deep neural networks, is highly contingent upon the availability of the massive amount of annotated training data which should be sufficiently labeled. Though, data…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Elnaz Soleimani , Ghazaleh Khodabandelou , Abdelghani Chibani , Yacine Amirat

Human Activity Recognition (HAR) has been an active area of research, with applications ranging from healthcare to smart environments. The recent advancements in Large Language Models (LLMs) have opened new possibilities to leverage their…

机器学习 · 计算机科学 2025-12-24 Md Shakhrul Iman Siam , Ishtiaque Ahmed Showmik , Guanqun Song , Ting Zhu

Detecting human actions is a crucial task for autonomous robots and vehicles, often requiring the integration of various data modalities for improved accuracy. In this study, we introduce a novel approach to Human Action Recognition (HAR)…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Mohammad Mahdavian , Mohammad Loni , Ted Samuelsson , Mo Chen

The ubiquitous availability of smartphones and smartwatches with integrated inertial measurement units (IMUs) enables straightforward capturing of human activities. For specific applications of sensor based human activity recognition (HAR),…

计算机视觉与模式识别 · 计算机科学 2023-10-24 Megha Thukral , Harish Haresamudram , Thomas Ploetz

Activity recognition systems that are capable of estimating human activities from wearable inertial sensors have come a long way in the past decades. Not only have state-of-the-art methods moved away from feature engineering and have fully…

人机交互 · 计算机科学 2021-10-14 Marius Bock , Alexander Hoelzemann , Michael Moeller , Kristof Van Laerhoven

Unsupervised active learning has attracted increasing attention in recent years, where its goal is to select representative samples in an unsupervised setting for human annotating. Most existing works are based on shallow linear models by…

机器学习 · 计算机科学 2020-07-29 Changsheng Li , Handong Ma , Zhao Kang , Ye Yuan , Xiao-Yu Zhang , Guoren Wang

Current studies in Human Activity Recognition (HAR) primarily focus on the classification of activities through sensor data, while there is not much emphasis placed on recognizing the individuals performing these activities. This type of…

机器学习 · 计算机科学 2025-05-13 Debashish Saha , Piyush Malik , Adrika Saha

We propose Disentanglement based Active Learning (DAL), a new active learning technique based on self-supervision which leverages the concept of disentanglement. Instead of requesting labels from human oracle, our method automatically…

机器学习 · 计算机科学 2021-09-28 Silpa Vadakkeeveetil Sreelatha , Adarsh Kappiyath , Sumitra S

Learning and understanding the typical patterns in the daily activities and routines of people from low-level sensory data is an important problem in many application domains such as building smart environments, or providing intelligent…

机器学习 · 计算机科学 2014-08-14 Truyen Tran , Hung Bui , Svetha Venkatesh

Learning from preference-based feedback has become an effective approach for aligning LLMs across diverse tasks. However, high-quality human-annotated preference data remains expensive and scarce. Existing methods address this challenge…

计算与语言 · 计算机科学 2026-04-21 Ruiyao Xu , Mihir Parmar , Tiankai Yang , Zhengyu Hu , Yue Zhao , Kaize Ding

Human action understanding is crucial for the advancement of multimodal systems. While recent developments, driven by powerful large language models (LLMs), aim to be general enough to cover a wide range of categories, they often overlook…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Yongle Huang , Haodong Chen , Zhenbang Xu , Zihan Jia , Haozhou Sun , Dian Shao

Human Activity Recognition (HAR), based on machine and deep learning algorithms is considered one of the most promising technologies to monitor professional and daily life activities for different categories of people (e.g., athletes,…

信号处理 · 电气工程与系统科学 2024-11-19 Florenc Demrozi , Cristian Turetta , Graziano Pravadelli

The study explores a hybrid centralized-federated approach for Human Activity Recognition (HAR) using a Transformer-based architecture. With the increasing ubiquity of edge devices, such as smartphones and wearables, a significant amount of…

信号处理 · 电气工程与系统科学 2026-03-27 Wandemberg Gibaut , Alexandre Osorio , Amparo Munoz , Sildolfo F. G. Neto , Fabio Grassiotto

Human Activity Recognition (HAR) benefits various application domains, including health and elderly care. Traditional HAR involves constructing pipelines reliant on centralized user data, which can pose privacy concerns as they necessitate…

The use of accurate and reliable open-source human activity recognition (HAR) models on passively collected wrist-accelerometer data is essential in large-scale epidemiological studies that investigate the association between physical…

机器学习 · 计算机科学 2026-05-01 Aidan Acquah , Shing Chan , Aiden Doherty