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相关论文: Recovering Surveillance Video Using RF Cues

200 篇论文

Detecting salient objects from a video requires exploiting both spatial and temporal knowledge included in the video. We propose a novel region-based multiscale spatiotemporal saliency detection method for videos, where static features and…

计算机视觉与模式识别 · 计算机科学 2017-08-07 Trung-Nghia Le , Akihiro Sugimoto

Body-worn video (BWV) cameras are increasingly utilized by police departments to provide a record of police-public interactions. However, large-scale BWV deployment produces terabytes of data per week, necessitating the development of…

计算机视觉与模式识别 · 计算机科学 2016-10-21 Stephanie Allen , David Madras , Ye Ye , Greg Zanotti

Video snapshot compressive imaging (SCI) encodes the target dynamic scene compactly into a snapshot and reconstructs its high-speed frame sequence afterward, greatly reducing the required data footprint and transmission bandwidth as well as…

图像与视频处理 · 电气工程与系统科学 2024-04-12 Bo Zhang , Jinli Suo , Qionghai Dai

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

We present a solution for the goal of extracting a video from a single motion blurred image to sequentially reconstruct the clear views of a scene as beheld by the camera during the time of exposure. We first learn motion representation…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Kuldeep Purohit , Anshul Shah , A. N. Rajagopalan

Analyzing human motion is a challenging task with a wide variety of applications in computer vision and in graphics. One such application, of particular importance in computer animation, is the retargeting of motion from one performer to…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Kfir Aberman , Rundi Wu , Dani Lischinski , Baoquan Chen , Daniel Cohen-Or

Learning-based methods have enabled the recovery of a video sequence from a single motion-blurred image or a single coded exposure image. Recovering video from a single motion-blurred image is a very ill-posed problem and the recovered…

计算机视觉与模式识别 · 计算机科学 2020-11-16 S Anupama , Prasan Shedligeri , Abhishek Pal , Kaushik Mitra

Recently several ground-breaking RF-based motion recognition systems were proposed to detect and/or recognize macro/micro human movements. These systems often suffer from various interferences caused by multiple-users moving simultaneously,…

信号处理 · 电气工程与系统科学 2018-10-30 Ning Xiao , Panlong Yang , Yubo Yan , Hao Zhou , Xiang-Yang Li , Haohua Du

In this work, we propose a novel procedure for video super-resolution, that is the recovery of a sequence of high-resolution images from its low-resolution counterpart. Our approach is based on a "sequential" model (i.e., each…

计算机视觉与模式识别 · 计算机科学 2016-02-16 Patrick Héas , Angélique Drémeau , Cédric Herzet

Compressed streak imaging (CSI) is a computational imaging strategy that can acquire video at over 150 trillion frames per second. Despite this achievement, CSI faces challenges in detecting subtle intensity fluctuations in slow-moving,…

Remote sensing shadow removal, which aims to recover contaminated surface information, is tricky since shadows typically display overwhelmingly low illumination intensities. In contrast, the infrared image is robust toward significant light…

计算机视觉与模式识别 · 计算机科学 2024-06-26 Kaichen Chi , Wei Jing , Junjie Li , Qiang Li , Qi Wang

Recovering temporally consistent 3D human body pose, shape and motion from a monocular video is a challenging task due to (self-)occlusions, poor lighting conditions, complex articulated body poses, depth ambiguity, and limited availability…

计算机视觉与模式识别 · 计算机科学 2023-11-21 Sushovan Chanda , Amogh Tiwari , Lokender Tiwari , Brojeshwar Bhowmick , Avinash Sharma , Hrishav Barua

We present a novel method for recovering the absolute pose and shape of a human in a pre-scanned scene given a single image. Unlike previous methods that perform sceneaware mesh optimization, we propose to first estimate absolute position…

计算机视觉与模式识别 · 计算机科学 2023-06-07 Zehong Shen , Zhi Cen , Sida Peng , Qing Shuai , Hujun Bao , Xiaowei Zhou

In this work we present a deep learning framework for video compressive sensing. The proposed formulation enables recovery of video frames in a few seconds at significantly improved reconstruction quality compared to previous approaches.…

计算机视觉与模式识别 · 计算机科学 2017-12-19 Michael Iliadis , Leonidas Spinoulas , Aggelos K. Katsaggelos

Person Re-Identification is a key and challenging task in video surveillance. While traditional methods rely on visual data, issues like poor lighting, occlusion, and suboptimal angles often hinder performance. To address these challenges,…

计算机视觉与模式识别 · 计算机科学 2025-08-05 Danilo Avola , Emad Emam , Dario Montagnini , Daniele Pannone , Amedeo Ranaldi

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

Video surveillance has long been in use to monitor security sensitive areas such as banks, department stores, highways, crowded public places and borders.The advance in computing power, availability of large-capacity storage devices and…

计算机视觉与模式识别 · 计算机科学 2014-05-20 Shraddha Mehta , Vaishali Kalariya

Wi-Fi sensing is a transformative approach that enables a large of applications through CSI analysis. The challenge lies in the high computational and communication costs with the increasing granularity of CSI data. In this letter, we…

信号处理 · 电气工程与系统科学 2024-05-08 Jichen Bian

The cybersecurity breaches expose surveillance video streams to forgery attacks, under which authentic streams are falsified to hide unauthorized activities. Traditional video forensics approaches can localize forgery traces using…

密码学与安全 · 计算机科学 2022-01-25 Yong Huang , Xiang Li , Wei Wang , Tao Jiang , Qian Zhang

This project investigates the human multi-modal behavior identification algorithm utilizing deep neural networks. According to the characteristics of different modal information, different deep neural networks are used to adapt to different…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Jinyin Wang , Xingchen Li , Yixuan Jin , Yihao Zhong , Keke Zhang , Chang Zhou