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The task of human reposing involves generating a realistic image of a person standing in an arbitrary conceivable pose. There are multiple difficulties in generating perceptually accurate images, and existing methods suffer from limitations…

计算机视觉与模式识别 · 计算机科学 2023-03-30 Rishabh Jain , Krishna Kumar Singh , Mayur Hemani , Jingwan Lu , Mausoom Sarkar , Duygu Ceylan , Balaji Krishnamurthy

Optical flow estimation is crucial to a variety of vision tasks. Despite substantial recent advancements, achieving real-time on-device optical flow estimation remains a complex challenge. First, an optical flow model must be sufficiently…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Jamie Menjay Lin , Jisoo Jeong , Hong Cai , Risheek Garrepalli , Kai Wang , Fatih Porikli

Thanks to the ubiquitous deployment of Wi-Fi hotspots, channel state information (CSI)-based Wi-Fi sensing can unleash game-changing applications in many fields, such as healthcare, security, and entertainment. However, despite one decade…

网络与互联网体系结构 · 计算机科学 2023-02-03 Marco Cominelli , Francesco Gringoli , Francesco Restuccia

We introduce WiCluster, a new machine learning (ML) approach for passive indoor positioning using radio frequency (RF) channel state information (CSI). WiCluster can predict both a zone-level position and a precise 2D or 3D position,…

网络与互联网体系结构 · 计算机科学 2021-09-28 Ilia Karmanov , Farhad G. Zanjani , Simone Merlin , Ishaque Kadampot , Daniel Dijkman

WiFi sensing has been evolving rapidly in recent years. Empowered by propagation models and deep learning methods, many challenging applications are realized such as WiFi-based human activity recognition and gesture recognition. However, in…

机器学习 · 计算机科学 2023-02-20 Jianfei Yang , Xinyan Chen , Dazhuo Wang , Han Zou , Chris Xiaoxuan Lu , Sumei Sun , Lihua Xie

Recently, Wi-Fi has caught tremendous attention for its ubiquity, and, motivated by Wi-Fi's low cost and privacy preservation, researchers have been putting lots of investigation into its potential on action recognition and even person…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Jen-Yin Chang , Kuan-Ying Lee , Yu-Lin Wei , Kate Ching-Ju Lin , Winston Hsu

WiFi sensing based on channel state information (CSI) collected from commodity WiFi devices has shown great potential across a wide range of applications, including vital sign monitoring and indoor localization. Existing WiFi sensing…

信号处理 · 电气工程与系统科学 2025-10-14 Ruiqi Kong , He Chen

Sleep deprivation is a public health concern that significantly impacts one's well-being and performance. Sleep is an intimate experience, and state-of-the-art sleep monitoring solutions are highly-personalized to individual users. With a…

信号处理 · 电气工程与系统科学 2022-03-16 Priyanka Mary Mammen , Camellia Zakaria , Tergel Molom-Ochir , Amee Trivedi , Prashant Shenoy , Rajesh Balan

SiFo, a wireless foundation model-based framework, is proposed for low-overhead site-specific channel state information (CSI) feedback. In 3GPP NR, Type-II feedback provides an expressive codebook-based CSI representation, but it requires…

信号处理 · 电气工程与系统科学 2026-05-18 Cheng-Jie Zhao , Zhaolin Wang , Zongyao Zhao , Yuanwei Liu

The use of WiFi signals to sense the physical environment is gaining popularity, with some common applications being motion detection and transmitter localization. Standard-compliant WiFi provides a cost effective, easy and…

信息论 · 计算机科学 2024-08-30 Florian Euchner , Stephan ten Brink

In this paper, we propose BeamSense, a completely novel approach to implement standard-compliant Wi-Fi sensing applications. Wi-Fi sensing enables game-changing applications in remote healthcare, home entertainment, and home surveillance,…

网络与互联网体系结构 · 计算机科学 2025-01-22 Khandaker Foysal Haque , Milin Zhang , Francesca Meneghello , Francesco Restuccia

Rehabilitation is important to improve quality of life for mobility-impaired patients. Smart walkers are a commonly used solution that should embed automatic and objective tools for data-driven human-in-the-loop control and monitoring.…

计算机视觉与模式识别 · 计算机科学 2021-07-06 Manuel Palermo , Sara Moccia , Lucia Migliorelli , Emanuele Frontoni , Cristina P. Santos

With the rapid development of wireless communication technology, wireless access points (AP) and internet of things (IoT) devices have been widely deployed in our surroundings. Various types of wireless signals (e.g., Wi-Fi, LoRa, LTE) are…

信号处理 · 电气工程与系统科学 2022-06-27 Zheng Yang , Yi Zhang , Guoxuan Chi , Guidong Zhang

Recent advancements in wireless perception technologies, including mmWave, WiFi, and acoustics, have expanded their application in human motion tracking and health monitoring. They are promising alternatives to traditional camera-based…

网络与互联网体系结构 · 计算机科学 2025-04-08 Yin Li , Rajalakshmi Nandakumar

Emerging sixth-generation wireless systems are increasingly heterogeneous, with compatibility across diverse configurations, ubiquitous coverage, and expanded functionalities. Although deep learning has substantially benefited wireless…

信号处理 · 电气工程与系统科学 2026-05-05 Boxun Liu , Xuanyu Liu , Shijian Gao , Xuesong Cai , Xiang Cheng , Liuqing Yang

Multi-frame human pose estimation in complicated situations is challenging. Although state-of-the-art human joints detectors have demonstrated remarkable results for static images, their performances come short when we apply these models to…

计算机视觉与模式识别 · 计算机科学 2021-03-22 Zhenguang Liu , Haoming Chen , Runyang Feng , Shuang Wu , Shouling Ji , Bailin Yang , Xun Wang

Human motion sensing plays a crucial role in smart systems for decision-making, user interaction, and personalized services. Extensive research that has been conducted is predominantly based on cameras, whose intrusive nature limits their…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Fangqiang Ding , Zhen Luo , Peijun Zhao , Chris Xiaoxuan Lu

As the Internet of Things (IoT) continues to evolve, indoor location has become a critical element for enabling smart homes, behavioral monitoring, and elderly care. Existing WiFi-based human tracking solutions typically require specialized…

网络与互联网体系结构 · 计算机科学 2025-08-14 Wei Guo , Shunsei Yamagishi , Lei Jing

Large displacement optical flow is an integral part of many computer vision tasks. Variational optical flow techniques based on a coarse-to-fine scheme interpolate sparse matches and locally optimize an energy model conditioned on colour,…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Qiao Chen , Charalambos Poullis

As elderly population grows, social and health care begin to face validation challenges, in-home monitoring is becoming a focus for professionals in the field. Governments urgently need to improve the quality of healthcare services at lower…

信号处理 · 电气工程与系统科学 2020-09-22 Lingchao Guo , Zhaoming Lu , Shuang Zhou , Xiangming Wen , Zhihong He