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Wearable sensor-based human activity recognition (HAR) has emerged as a principal research area and is utilized in a variety of applications. Recently, deep learning-based methods have achieved significant improvement in the HAR field with…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Sungho Suh , Vitor Fortes Rey , Paul Lukowicz

Human activity recognition (HAR) has been playing an increasingly important role in various domains such as healthcare, security monitoring, and metaverse gaming. Though numerous HAR methods based on computer vision have been developed to…

计算机视觉与模式识别 · 计算机科学 2024-03-01 Jianfei Yang , Shijie Tang , Yuecong Xu , Yunjiao Zhou , Lihua Xie

Human motion prediction is a cornerstone of human-robot collaboration (HRC), as robots need to infer the future movements of human workers based on past motion cues to proactively plan their motion, ensuring safety in close collaboration…

计算机视觉与模式识别 · 计算机科学 2024-09-20 Sibo Tian , Minghui Zheng , Xiao Liang

Recent advances in model compression have provided procedures for compressing large neural networks to a fraction of their original size while retaining most if not all of their accuracy. However, all of these approaches rely on access to…

机器学习 · 计算机科学 2017-11-27 Raphael Gontijo Lopes , Stefano Fenu , Thad Starner

Dataset distillation aims to compress information from a large-scale original dataset to a new compact dataset while striving to preserve the utmost degree of the original data informational essence. Previous studies have predominantly…

计算机视觉与模式识别 · 计算机科学 2024-04-12 Muxin Zhou , Zeyuan Yin , Shitong Shao , Zhiqiang Shen

Current scaling laws for visual AI models focus predominantly on large-scale pretraining, leaving a critical gap in understanding how performance scales for data-constrained downstream tasks. To address this limitation, this paper…

机器学习 · 计算机科学 2025-04-21 Wenxuan Yang , Qingqu Wei , Chenxi Ma , Weimin Tan , Bo Yan

Dataset Distillation has emerged as a technique for compressing large datasets into smaller synthetic counterparts, facilitating downstream training tasks. In this paper, we study the impact of bias inside the original dataset on the…

机器学习 · 计算机科学 2024-07-11 Justin Cui , Ruochen Wang , Yuanhao Xiong , Cho-Jui Hsieh

RF fingerprinting leverages circuit-level variability of transmitters to identify them using signals they send. Signals used for identification are impacted by a wireless channel and receiver circuitry, creating additional impairments that…

信号处理 · 电气工程与系统科学 2022-01-13 Samer Hanna , Samurdhi Karunaratne , Danijela Cabric

WiFi sensing is an important part of the new WiFi 802.11bf standard, which can detect motion and measure distances. In recent years, some machine learning methods have been proposed for human activity recognition from WiFi signals. However,…

人机交互 · 计算机科学 2022-10-24 Hojjat Salehinejad , Navid Hasanzadeh , Radomir Djogo , Shahrokh Valaee

Dataset distillation synthesizes compact datasets that enable models to achieve performance comparable to training on the original large-scale datasets. However, existing distillation methods overlook the robustness of the model, resulting…

计算机视觉与模式识别 · 计算机科学 2025-03-18 Wei Lai , Tianyu Ding , ren dongdong , Lei Wang , Jing Huo , Yang Gao , Wenbin Li

The sharp increase in data-related expenses has motivated research into condensing datasets while retaining the most informative features. Dataset distillation has thus recently come to the fore. This paradigm generates synthetic datasets…

机器学习 · 计算机科学 2024-11-20 Jiawei Du , Xin Zhang , Juncheng Hu , Wenxin Huang , Joey Tianyi Zhou

In this paper, we propose a framework for predicting frame errors in the collaborative spectrally congested wireless environments of the DARPA Spectrum Collaboration Challenge (SC2) via a recently collected dataset. We employ distributed…

网络与互联网体系结构 · 计算机科学 2021-04-14 Ahmed P. Mohamed , Abu Shafin Mohammad Mahdee Jameel , Aly El Gamal

This paper presents MultiTrack, a commodity WiFi-based human sensing system that can track multiple users and recognize the activities of multiple users performing them simultaneously. Such a system can enable easy and large-scale…

人机交互 · 计算机科学 2021-06-03 Sheng Tan , Jie Yang

4D radar super-resolution, which aims to reconstruct sparse and noisy point clouds into dense and geometrically consistent representations, is a foundational problem in autonomous perception. However, existing methods often suffer from high…

计算机视觉与模式识别 · 计算机科学 2025-09-17 Minqing Huang , Shouyi Lu , Boyuan Zheng , Ziyao Li , Xiao Tang , Guirong Zhuo

Privacy issues related to video camera feeds have led to a growing need for suitable alternatives that provide functionalities such as user authentication, activity classification and tracking in a noninvasive manner. Existing…

机器学习 · 计算机科学 2019-11-27 Vinoj Jayasundara , Hirunima Jayasekara , Tharaka Samarasinghe , Kasun T. Hemachandra

Passive human tracking via Wi-Fi has been researched broadly in the past decade. Besides straight-forward anchor point localization, velocity is another vital sign adopted by the existing approaches to infer user trajectory. However,…

人机交互 · 计算机科学 2022-07-29 Chenning Li , Li Liu , Zhichao Cao , Mi Zhang

Deploying large language models (LLMs) is challenging because they are memory inefficient and compute-intensive for practical applications. In reaction, researchers train smaller task-specific models by either finetuning with human labels…

Wireless signal-based human sensing technologies, such as WiFi, millimeter-wave (mmWave) radar, and Radio Frequency Identification (RFID), enable the detection and interpretation of human presence, posture, and activities, thereby providing…

计算机视觉与模式识别 · 计算机科学 2025-04-23 Zhenkui Yang , Zeyi Huang , Ge Wang , Han Ding , Tony Xiao Han , Fei Wang

Deep Neural Networks have achieved huge success at a wide spectrum of applications from language modeling, computer vision to speech recognition. However, nowadays, good performance alone is not sufficient to satisfy the needs of practical…

机器学习 · 计算机科学 2018-12-31 Xuan Liu , Xiaoguang Wang , Stan Matwin

The increasing volume of traffic (especially from IoT devices) is posing a challenge to the current anomaly detection systems. Existing systems are forced to take the support of the control plane for a more thorough and accurate detection…

密码学与安全 · 计算机科学 2024-12-24 Sankalp Mittal