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Scene flow estimation, which extracts point-wise motion between scenes, is becoming a crucial task in many computer vision tasks. However, all of the existing estimation methods utilize only the unidirectional features, restricting the…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Wencan Cheng , Jong Hwan Ko

Acquiring accurate channel state information (CSI) is critical for reliable and efficient wireless communication, but challenges such as high pilot overhead and channel aging hinder timely and accurate CSI acquisition. CSI prediction, which…

信号处理 · 电气工程与系统科学 2025-10-14 Mehdi Sattari , Javad Aliakbari , Alexandre Graell i Amat , Tommy Svensson

Because each indoor site has its own radio propagation characteristics, a site survey process is essential to optimize a Wi-Fi ranging strategy for range-based positioning solutions. This paper studies an unsupervised learning technique…

网络与互联网体系结构 · 计算机科学 2020-07-14 Jeongsik Choi

Underwater Salient Object Detection (USOD) faces significant challenges, including underwater image quality degradation and domain gaps. Existing methods tend to ignore the physical principles of underwater imaging or simply treat…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Runting Li , Shijie Lian , Hua Li , Yutong Li , Wenhui Wu , Sam Kwong

While commonly used for communication purposes, an increasing number of recent studies consider WiFi for sensing. In particular, wireless signals are altered (e.g., reflected and attenuated) by the human body and objects in the environment.…

网络与互联网体系结构 · 计算机科学 2022-04-08 Philipp H. Kindt , Cristian Turetta , Florenc Demrozi , Alejandro Masrur , Graziano Pravadelli , Samarjit Chakraborty

ISAC is regarded as a promising technology for next-generation communication systems, enabling simultaneous data transmission and target sensing. Among various tasks in ISAC, scatter sensing plays a crucial role in exploiting the full…

信号处理 · 电气工程与系统科学 2025-09-25 Xudong Zhang , Jingbo Tan , Zhizhen Ren , Jintao Wang , Yihua Ma , Jian Song

We present DeepCSI, a novel approach to Wi-Fi radio fingerprinting (RFP) which leverages standard-compliant beamforming feedback matrices to authenticate MU-MIMO Wi-Fi devices on the move. By capturing unique imperfections in off-the-shelf…

网络与互联网体系结构 · 计算机科学 2022-12-01 Francesca Meneghello , Michele Rossi , Francesco Restuccia

3D Human body pose and shape estimation within a temporal sequence can be quite critical for understanding human behavior. Despite the significant progress in human pose estimation in the recent years, which are often based on single images…

计算机视觉与模式识别 · 计算机科学 2022-07-27 Zhouping Wang , Sarah Ostadabbas

Denoising diffusion probabilistic models that were initially proposed for realistic image generation have recently shown success in various perception tasks (e.g., object detection and image segmentation) and are increasingly gaining…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Runyang Feng , Yixing Gao , Tze Ho Elden Tse , Xueqing Ma , Hyung Jin Chang

We propose OmniPose, a single-pass, end-to-end trainable framework, that achieves state-of-the-art results for multi-person pose estimation. Using a novel waterfall module, the OmniPose architecture leverages multi-scale feature…

计算机视觉与模式识别 · 计算机科学 2021-03-19 Bruno Artacho , Andreas Savakis

Person re-identification(ReID), as a crucial technology in the field of security, plays a vital role in safety inspections, personnel counting, and more. Most current ReID approaches primarily extract features from images, which are easily…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Chen Mao , Chong Tan , Jingqi Hu , Min Zheng

Human doing actions will result in WiFi distortion, which is widely explored for action recognition, such as the elderly fallen detection, hand sign language recognition, and keystroke estimation. As our best survey, past work recognizes…

信号处理 · 电气工程与系统科学 2019-04-29 Fei Wang , Yunpeng Song , Jimuyang Zhang , Jinsong Han , Dong Huang

In this paper, we consider people counting and localization systems exploiting channel state information (CSI) measured from commodity WiFi network interface cards (NICs). While CSI has useful information of amplitude and phase to describe…

信息论 · 计算机科学 2026-05-01 Jihoon Cha , Hwanjin Kim , Junil Choi

Device-free fall detection utilizing WiFi Channel State Information (CSI) has emerged as a promising, privacy-preserving solution for elderly health monitoring in the Internet of Things (IoT) era. However, existing deep learning approaches…

信号处理 · 电气工程与系统科学 2026-05-05 Yingzhe Wang , Cunhua Pan , Ruijing Liu , Shaokai Li , Hong Ren , Kezhi Wang , Jiangzhou Wang

Recently, human pose estimation mainly focuses on how to design a more effective and better deep network structure as human features extractor, and most designed feature extraction networks only introduce the position of each anatomical…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Zhangjian Ji , Zilong Wang , Ming Zhang , Yapeng Chen , Yuhua Qian

The ability to embed watermarks in images is a fundamental problem of interest for computer vision, and is exacerbated by the rapid rise of generated imagery in recent times. Current state-of-the-art techniques suffer from computational and…

图像与视频处理 · 电气工程与系统科学 2025-09-17 Vinay Shukla , Prachee Sharma , Ryan Rossi , Sungchul Kim , Tong Yu , Aditya Grover

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

WiFi-based sensing has aroused immense attention over recent years. The rationale is that the signal fluctuations caused by humans carry the information of human behavior which can be extracted from the channel state information of WiFi.…

机器学习 · 计算机科学 2021-11-30 Xie Zhang , Chengpei Tang , Yasong An , Kang Yin

Ambient intelligence, continuously understanding human presence, activity, and physiology in physical spaces, is fundamental to smart environments, health monitoring, and human-computer interaction. WiFi infrastructure provides a…

Parametric human models capture global pose but cannot represent the non-rigid surface dynamics of clothing and soft tissue. Generic scene flow estimates dense motion but breaks down on articulated bodies, where pixel-level supervision is…

计算机视觉与模式识别 · 计算机科学 2026-05-22 Zhanbo Huang , Xiaoming Liu , Yu Kong