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This paper focuses on motion prediction for point cloud sequences in the challenging case of deformable 3D objects, such as human body motion. First, we investigate the challenges caused by deformable shapes and complex motions present in…

计算机视觉与模式识别 · 计算机科学 2023-07-20 Pedro Gomes , Silvia Rossi , Laura Toni

Learning representations for graphs plays a critical role in a wide spectrum of downstream applications. In this paper, we summarize the limitations of the prior works in three folds: representation space, modeling dynamics and modeling…

机器学习 · 计算机科学 2021-04-07 Li Sun , Zhongbao Zhang , Jiawei Zhang , Feiyang Wang , Hao Peng , Sen Su , Philip S. Yu

Human activity recognition (HAR) with millimeter-wave (mmWave) radar offers a privacy-preserving and robust alternative to camera- and wearable-based approaches. In this work, we propose the Occupancy-Gated Parallel-CNN Bi-LSTM (OG-PCL)…

信号处理 · 电气工程与系统科学 2025-11-13 Jiuqi Yan , Chendong Xu , Dongyu Liu

Human Action Recognition (HAR), one of the most important tasks in computer vision, has developed rapidly in the past decade and has a wide range of applications in health monitoring, intelligent surveillance, virtual reality, human…

计算机视觉与模式识别 · 计算机科学 2023-01-18 Zhou Shuchang

Human skeleton information is important in skeleton-based action recognition, which provides a simple and efficient way to describe human pose. However, existing skeleton-based methods focus more on the skeleton, ignoring the objects…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Hao Wen , Ziqian Lu , Fengli Shen , Zhe-Ming Lu , Jialin Cui

The assumption of using a static graph to represent multivariate time-varying signals oversimplifies the complexity of modeling their interactions over time. We propose a Dynamic Multi-hop model that captures dynamic interactions among…

信号处理 · 电气工程与系统科学 2024-11-26 Yi Yan , Fengfan Zhao , Ercan Engin Kuruoglu

Human Activity Recognition (HAR) using wearable and mobile sensors has gained momentum in last few years, in various fields, such as, healthcare, surveillance, education, entertainment. Nowadays, Edge Computing has emerged to reduce…

信号处理 · 电气工程与系统科学 2019-10-01 Preeti Agarwal , Mansaf Alam

Human mobility prediction is a fundamental task essential for various applications in urban planning, location-based services and intelligent transportation systems. Existing methods often ignore activity information crucial for reasoning…

机器学习 · 计算机科学 2025-01-03 Yihong Tang , Junlin He , Zhan Zhao

Human activity recognition (HAR) in ubiquitous computing is beginning to adopt deep learning to substitute for well-established analysis techniques that rely on hand-crafted feature extraction and classification techniques. From these…

机器学习 · 计算机科学 2016-05-02 Nils Y. Hammerla , Shane Halloran , Thomas Ploetz

The problem of human activity recognition from mobile sensor data applies to multiple domains, such as health monitoring, personal fitness, daily life logging, and senior care. A critical challenge for training human activity recognition…

计算机视觉与模式识别 · 计算机科学 2022-05-10 Abduallah Mohamed , Fernando Lejarza , Stephanie Cahail , Christian Claudel , Edison Thomaz

Real-time condition monitoring is crucial for the reliable and efficient operation of complex systems. However, relying solely on physical sensors can be limited due to their cost, placement constraints, or inability to directly measure…

机器学习 · 计算机科学 2025-03-07 Mengjie Zhao , Cees Taal , Stephan Baggerohr , Olga Fink

Effective congestion management along signalized corridors is essential for improving productivity and reducing costs, with arterial travel time serving as a key performance metric. Traditional approaches, such as Coordinated Signal Timing…

机器学习 · 计算机科学 2024-12-17 Nooshin Yousefzadeh , Rahul Sengupta , Sanjay Ranka

In human activity recognition (HAR), activity labels have typically been encoded in one-hot format, which has a recent shift towards using textual representations to provide contextual knowledge. Here, we argue that HAR should be anchored…

计算机视觉与模式识别 · 计算机科学 2025-03-20 Shuheng Li , Jiayun Zhang , Xiaohan Fu , Xiyuan Zhang , Jingbo Shang , Rajesh K. Gupta

Advances in biosignal signal processing and machine learning, in particular Deep Neural Networks (DNNs), have paved the way for the development of innovative Human-Machine Interfaces for decoding the human intent and controlling artificial…

机器学习 · 计算机科学 2021-10-19 Elahe Rahimian , Soheil Zabihi , Amir Asif , Dario Farina , S. Farokh Atashzar , Arash Mohammadi

Weakly-supervised temporal action localization (WTAL) is a practical yet challenging task. Due to large-scale datasets, most existing methods use a network pretrained in other datasets to extract features, which are not suitable enough for…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Xiaojun Tang , Junsong Fan , Chuanchen Luo , Zhaoxiang Zhang , Man Zhang , Zongyuan Yang

Human activity recognition (HAR) is a very active research field. Recently, deep learning techniques are being exploited to recognize human activities from inertial signals. However, to compute accurate and reliable deep learning models, a…

计算机与社会 · 计算机科学 2019-05-30 Anna Ferrari , Daniela Micucci , Marco Mobilio , Paolo Napoletano

Conventional radar segmentation research has typically focused on learning category labels for different moving objects. Although fundamental differences between radar and optical sensors lead to differences in the reliability of predicting…

信号处理 · 电气工程与系统科学 2026-05-05 Simin Zhu , Satish Ravindran , Alexander Yarovoy , Francesco Fioranelli

We present a large-scale study exploring the capability of temporal deep neural networks to interpret natural human kinematics and introduce the first method for active biometric authentication with mobile inertial sensors. At Google, we…

In this paper, we investigate novel data collection and training techniques towards improving classification accuracy of non-moving (static) hand gestures using a convolutional neural network (CNN) and frequency-modulated-continuous-wave…

计算机视觉与模式识别 · 计算机科学 2023-05-04 Josiah Smith , Shiva Thiagarajan , Richard Willis , Yiorgos Makris , Murat Torlak

Human Activity Recognition has gained significant attention due to its diverse applications, including ambient assisted living and remote sensing. Wearable sensor-based solutions often suffer from user discomfort and reliability issues,…