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Robust WiFi-based human pose estimation (HPE) is a challenging task that bridges discrete and subtle WiFi signals to human skeletons. We revisit this problem and reveal two critical yet overlooked issues: 1) cross-domain gap, i.e., due to…

计算机视觉与模式识别 · 计算机科学 2026-04-08 Yang Chen , Jingcai Guo

The lack of adequate training data is one of the major hurdles in WiFi-based activity recognition systems. In this paper, we propose Wi-Fringe, which is a WiFi CSI-based device-free human gesture recognition system that recognizes named…

信号处理 · 电气工程与系统科学 2019-08-20 Md Tamzeed Islam , Shahriar Nirjon

Avatar refers to a representative of a physical user in the virtual world that can engage in different activities and interact with other objects in metaverse. Simulating the avatar requires accurate human pose estimation. Though…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Jianfei Yang , Yunjiao Zhou , He Huang , Han Zou , Lihua Xie

Wi-Fi Channel State Information (CSI) has been extensively studied for sensing activities. However, its practical application in user authentication still needs to be explored. This study presents a novel approach to biometric…

Gesture awareness plays a crucial role in promoting human-computer interface. Previous works either depend on customized hardware or need a priori learning of wireless signal patterns, facing downsides in terms of the privacy concern,…

信号处理 · 电气工程与系统科学 2020-11-16 Zijun Han , Zhaoming Lu , Xiangming Wen , Wei Zheng , Jingbo Zhao , Lingchao Guo

With increasing applications of 3D hand pose estimation in various human-computer interaction applications, convolution neural networks (CNNs) based estimation models have been actively explored. However, the existing models require complex…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Wencan Cheng , Jae Hyun Park , Jong Hwan Ko

This paper proposes a new neural network based on SPD manifold learning for skeleton-based hand gesture recognition. Given the stream of hand's joint positions, our approach combines two aggregation processes on respectively spatial and…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Xuan Son Nguyen , Luc Brun , Olivier Lézoray , Sébastien Bougleux

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

Current anthropomorphic robotic hands mainly focus on improving their dexterity by devising new mechanical structures and actuation systems. However, most of them rely on a single structure/system (e.g., bone-only) and ignore the fact that…

Functional grasp is essential for enabling dexterous multi-finger robot hands to manipulate objects effectively. However, most prior work either focuses on power grasping, which simply involves holding an object still, or relies on costly…

计算机视觉与模式识别 · 计算机科学 2025-05-14 Hongyi Chen , Yunchao Yao , Yufei Ye , Zhixuan Xu , Homanga Bharadhwaj , Jiashun Wang , Shubham Tulsiani , Zackory Erickson , Jeffrey Ichnowski

Human pose estimation and action recognition have received attention due to their critical roles in healthcare monitoring, rehabilitation, and assistive technologies. In this study, we proposed a novel architecture named Transformer based…

计算机视觉与模式识别 · 计算机科学 2025-04-24 Younggeol Cho , Elisa Motta , Olivia Nocentini , Marta Lagomarsino , Andrea Merello , Marco Crepaldi , Arash Ajoudani

WiFi channel state information (CSI) has emerged as a plausible modality for sensing different human vital signs, i.e. respiration and body motion, as a function of modulated wireless signals that travel between WiFi devices. Although a…

信号处理 · 电气工程与系统科学 2020-03-23 Kamran Ali , Mohammed Alloulah , Fahim Kawsar , Alex X. Liu

Despite remarkable progress in image generation models, generating realistic hands remains a persistent challenge due to their complex articulation, varying viewpoints, and frequent occlusions. We present FoundHand, a large-scale…

计算机视觉与模式识别 · 计算机科学 2024-12-06 Kefan Chen , Chaerin Min , Linguang Zhang , Shreyas Hampali , Cem Keskin , Srinath Sridhar

The goal of this project is to create an inexpensive, lightweight, wearable assistive device that can measure hand or finger movements accurately enough to identify a range of hand gestures. One eventual application is to provide assistive…

人机交互 · 计算机科学 2020-09-29 Sanjay Seshan

While existing methods for reconstructing hand-object interactions have made impressive progress, they either focus on rigid or part-wise rigid objects-limiting their ability to model real-world objects (e.g., cloth, stuffed animals) that…

计算机视觉与模式识别 · 计算机科学 2026-05-12 Jihyun Lee , Changmin Lee , Donghwan Kim , Tae-Kyun Kim

Human pose estimation is fundamental to intelligent perception in the Internet of Things (IoT), enabling applications ranging from smart healthcare to human-computer interaction. While WiFi-based methods have gained traction, they often…

计算机视觉与模式识别 · 计算机科学 2026-04-14 Yi Dao , Lankai Zhang , Hao Liu , Haiwei Zhang , Wenbo Wang

We explore the feasibility of AI assisted hand-gesture recognition using 802.11ad 60GHz (mmWave) technology in smartphones. Range-Doppler information (RDI) is obtained by using pulse Doppler radar for gesture recognition. We built a…

信息论 · 计算机科学 2022-11-15 Yuwei Ren , Jiuyuan Lu , Andrian Beletchi , Yin Huang , Ilia Karmanov , Daniel Fontijne , Chirag Patel , Hao Xu

Human behavior recognition has been considered as a core technology that can facilitate variety of applications. However, accurate detection and recognition of human behavior is still a big challenge that attracts a lot of research efforts.…

人机交互 · 计算机科学 2017-12-04 Zhu Wang , Bin Guo , Zhiwen Yu , Xingshe Zhou

We study the problem of making 3D scene reconstructions interactive by asking the following question: can we predict the sounds of human hands physically interacting with a scene? First, we record a video of a human manipulating objects…

计算机视觉与模式识别 · 计算机科学 2025-06-12 Yiming Dou , Wonseok Oh , Yuqing Luo , Antonio Loquercio , Andrew Owens

Emerging Metaverse applications demand reliable, accurate, and photorealistic reproductions of human hands to perform sophisticated operations as if in the physical world. While real human hand represents one of the most intricate…

计算机视觉与模式识别 · 计算机科学 2022-07-19 Yuwei Li , Longwen Zhang , Zesong Qiu , Yingwenqi Jiang , Nianyi Li , Yuexin Ma , Yuyao Zhang , Lan Xu , Jingyi Yu