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相关论文: Exploring Contrastive Learning in Human Activity R…

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Given the growing trend of continual learning techniques for deep neural networks focusing on the domain of computer vision, there is a need to identify which of these generalizes well to other tasks such as human activity recognition…

机器学习 · 计算机科学 2021-04-21 Saurav Jha , Martin Schiemer , Juan Ye

This paper presents SimCLR: a simple framework for contrastive learning of visual representations. We simplify recently proposed contrastive self-supervised learning algorithms without requiring specialized architectures or a memory bank.…

机器学习 · 计算机科学 2020-07-02 Ting Chen , Simon Kornblith , Mohammad Norouzi , Geoffrey Hinton

Human activity recognition (HAR) in wearable computing is typically based on direct processing of sensor data. Sensor readings are translated into representations, either derived through dedicated preprocessing, or integrated into…

机器学习 · 计算机科学 2023-06-05 Harish Haresamudram , Irfan Essa , Thomas Ploetz

With the rapid development of the internet of things (IoT) and artificial intelligence (AI) technologies, human activity recognition (HAR) has been applied in a variety of domains such as security and surveillance, human-robot interaction,…

人机交互 · 计算机科学 2023-01-19 Rex Liu , Albara Ah Ramli , Huanle Zhang , Erik Henricson , Xin Liu

Self-supervised contrastive learning (CL) has achieved state-of-the-art performance in representation learning by minimizing the distance between positive pairs while maximizing that of negative ones. Recently, it has been verified that the…

计算机视觉与模式识别 · 计算机科学 2024-07-16 Jin-Young Kim , Soonwoo Kwon , Hyojun Go , Yunsung Lee , Seungtaek Choi , Hyun-Gyoon Kim

We investigate contrastive learning in the federated setting through the lens of SimCLR and multi-view mutual information maximization. In doing so, we uncover a connection between contrastive representation learning and user verification;…

机器学习 · 计算机科学 2024-05-06 Christos Louizos , Matthias Reisser , Denis Korzhenkov

We present a new adversarial deep learning framework for the problem of human activity recognition (HAR) using inertial sensors worn by people. Our framework incorporates a novel adversarial activity-based discrimination task that addresses…

信号处理 · 电气工程与系统科学 2025-03-19 Francisco M. Calatrava-Nicolás , Shoko Miyauchi , Oscar Martinez Mozos

Machine learning and deep learning have shown great promise in mobile sensing applications, including Human Activity Recognition. However, the performance of such models in real-world settings largely depends on the availability of large…

机器学习 · 计算机科学 2021-02-12 Chi Ian Tang , Ignacio Perez-Pozuelo , Dimitris Spathis , Soren Brage , Nick Wareham , Cecilia Mascolo

Human Activity Recognition (HAR) is a crucial technology for many applications such as smart homes, surveillance, human assistance and health care. This technology utilises pattern recognition and can contribute to the development of…

人机交互 · 计算机科学 2022-06-10 Farhad Nazari , Darius Nahavandi , Navid Mohajer , Abbas Khosravi

Human Activity Recognition (HAR) using Inertial Measurement Unit (IMU) sensors is critical for applications in healthcare, safety, and industrial production. However, variations in activity patterns, device types, and sensor placements…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Hua Yan , Heng Tan , Yi Ding , Pengfei Zhou , Vinod Namboodiri , Yu Yang

Deep learning methods are successfully used in applications pertaining to ubiquitous computing, health, and well-being. Specifically, the area of human activity recognition (HAR) is primarily transformed by the convolutional and recurrent…

机器学习 · 计算机科学 2019-07-30 Aaqib Saeed , Tanir Ozcelebi , Johan Lukkien

Machine learning models for sensor-based human activity recognition (HAR) are expected to adapt post-deployment to recognize new activities and different ways of performing existing ones. To address this need, Online Continual Learning…

计算机视觉与模式识别 · 计算机科学 2025-11-11 Yao Zhang , Souza Leite Clayton , Yu Xiao

Human activity recognition (HAR) based on mobile sensors plays an important role in ubiquitous computing. However, the rise of data regulatory constraints precludes collecting private and labeled signal data from personal devices at scale.…

信号处理 · 电气工程与系统科学 2021-06-02 Chenglin Li , Di Niu , Bei Jiang , Xiao Zuo , Jianming Yang

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 Computer Vision, self-supervised contrastive learning enforces similar representations between different views of the same image. The pre-training is most often performed on image classification datasets, like ImageNet, where images…

计算机视觉与模式识别 · 计算机科学 2023-10-31 Benjamin Missaoui , Chongbin Yuan

Contrastive learning has emerged as an essential approach for self-supervised learning in visual representation learning. The central objective of contrastive learning is to maximize the similarities between two augmented versions of an…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Hengkui Dong , Xianzhong Long , Yun Li , Lei Chen

In contrastive learning, two views of an original image, generated by different augmentations, are considered a positive pair, and their similarity is required to be high. Similarly, two views of distinct images form a negative pair, with…

计算机视觉与模式识别 · 计算机科学 2024-09-24 Lei Wang , Piotr Koniusz , Tom Gedeon , Liang Zheng

There has been much recent research on human activity re\-cog\-ni\-tion (HAR), due to the proliferation of wearable sensors in watches and phones, and the advances of deep learning methods, which avoid the need to manually extract features…

机器学习 · 计算机科学 2022-09-20 Louis Mahon , Thomas Lukasiewicz

Human Activity Recognition (HAR) from wearable sensor data identifies movements or activities in unconstrained environments. HAR is a challenging problem as it presents great variability across subjects. Obtaining large amounts of labelled…

计算机视觉与模式识别 · 计算机科学 2022-02-15 Arttu Lämsä , Jaakko Tervonen , Jussi Liikka , Constantino Álvarez Casado , Miguel Bordallo López

Human Activity Recognition (HAR) is a key building block of many emerging applications such as intelligent mobility, sports analytics, ambient-assisted living and human-robot interaction. With robust HAR, systems will become more…

计算机视觉与模式识别 · 计算机科学 2019-01-10 Mirco Moencks , Varuna De Silva , Jamie Roche , Ahmet Kondoz