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We introduce an approach for detecting and tracking detailed 3D poses of multiple people from a single monocular camera stream. Our system maintains temporally coherent predictions in crowded scenes filled with difficult poses and…

Computer Vision and Pattern Recognition · Computer Science 2025-04-17 Alejandro Newell , Peiyun Hu , Lahav Lipson , Stephan R. Richter , Vladlen Koltun

Encryption on the internet with the shift to HTTPS has been an important step to improve the privacy of internet users. However, there is an increasing body of work about extracting information from encrypted internet traffic without having…

Computer Vision and Pattern Recognition · Computer Science 2024-05-17 Arwin Gansekoele , Tycho Bot , Rob van der Mei , Sandjai Bhulai , Mark Hoogendoorn

The widespread use of smart computer vision systems in our personal spaces has led to an increased consciousness about the privacy and security risks that these systems pose. On the one hand, we want these systems to assist in our daily…

Computer Vision and Pattern Recognition · Computer Science 2022-08-05 Sudhakar Kumawat , Hajime Nagahara

We propose a novel top-down approach that tackles the problem of multi-person human pose estimation and tracking in videos. In contrast to existing top-down approaches, our method is not limited by the performance of its person detector and…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Manchen Wang , Joseph Tighe , Davide Modolo

In recent years, differential privacy has seen significant advancements in image classification; however, its application to video activity recognition remains under-explored. This paper addresses the challenges of applying differential…

Computer Vision and Pattern Recognition · Computer Science 2023-06-29 Zelun Luo , Yuliang Zou , Yijin Yang , Zane Durante , De-An Huang , Zhiding Yu , Chaowei Xiao , Li Fei-Fei , Animashree Anandkumar

Object detection and object tracking are usually treated as two separate processes. Significant progress has been made for object detection in 2D images using deep learning networks. The usual tracking-by-detection pipeline for object…

Computer Vision and Pattern Recognition · Computer Science 2019-02-06 Chenge Li , Gregory Dobler , Xin Feng , Yao Wang

Object tracking is one of the most important problems in computer vision. The aim of video tracking is to extract the trajectories of a target or object of interest, i.e. accurately locate a moving target in a video sequence and…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Niloufar Salehi Dastjerdi , M. Omair Ahmad

The risk of unauthorized remote access of streaming video from networked cameras underlines the need for stronger privacy safeguards. We propose a lens-free coded aperture camera system for human action recognition that is…

Computer Vision and Pattern Recognition · Computer Science 2019-04-18 Zihao W. Wang , Vibhav Vineet , Francesco Pittaluga , Sudipta Sinha , Oliver Cossairt , Sing Bing Kang

In recent years, video analysis using Artificial Intelligence (AI) has been widely used, due to the remarkable development of image recognition technology using deep learning. In 2019, the Moving Picture Experts Group (MPEG) has started…

Computer Vision and Pattern Recognition · Computer Science 2023-05-31 Takahiro Shindo , Taiju Watanabe , Kein Yamada , Hiroshi Watanabe

Our aim is to estimate the perspective-effected geometric distortion of a scene from a video feed. In contrast to all previous work we wish to achieve this using from low-level, spatio-temporally local motion features used in commercial…

Computer Vision and Pattern Recognition · Computer Science 2015-04-22 Ognjen Arandjelovic , Duc-Son Pham , Svetha Venkatesh

Object tracking is a hot topic in computer vision. Thanks to the booming of the very high resolution (VHR) remote sensing techniques, it is now possible to track targets of interests in satellite videos. However, since the targets in the…

Computer Vision and Pattern Recognition · Computer Science 2018-04-26 Bo Du , Shihan Cai , Chen Wu , Liangpei Zhang , Dacheng Tao

Online video streaming has evolved into an integral component of the contemporary Internet landscape. Yet, the disclosure of user requests presents formidable privacy challenges. As users stream their preferred online videos, their requests…

Multimedia · Computer Science 2026-02-02 Xianzhi Zhang , Yipeng Zhou , Di Wu , Quan Z. Sheng , Miao Hu , Linchang Xiao

Most current multi-object trackers focus on short-term tracking, and are based on deep and complex systems that do not operate in real-time, often making them impractical for video-surveillance. In this paper, we present a long-term…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Germán Barquero , Carles Fernández , Isabelle Hupont

We propose an adaptive tracking algorithm where the object is modelled as a continuously updated bag of affine subspaces, with each subspace constructed from the object's appearance over several consecutive frames. In contrast to linear…

Computer Vision and Pattern Recognition · Computer Science 2016-02-08 Sareh Shirazi , Conrad Sanderson , Chris McCool , Mehrtash T. Harandi

There has been a remarkable increase in the data exchange over web and the widespread use of digital media. As a result, multimedia data transfers also had a boost up. The mounting interest with reference to digital watermarking throughout…

Multimedia · Computer Science 2010-04-13 Neeta Deshpande , Archana Rajurkar , R Manthalkar

The paper presents a new method, SearchTrack, for multiple object tracking and segmentation (MOTS). To address the association problem between detected objects, SearchTrack proposes object-customized search and motion-aware features. By…

Computer Vision and Pattern Recognition · Computer Science 2022-11-01 Zhong-Min Tsai , Yu-Ju Tsai , Chien-Yao Wang , Hong-Yuan Liao , Youn-Long Lin , Yung-Yu Chuang

Event cameras are ideal for object tracking applications due to their ability to capture fast-moving objects while mitigating latency and data redundancy. Existing event-based clustering and feature tracking approaches for surveillance and…

Computer Vision and Pattern Recognition · Computer Science 2022-02-10 Stephanie Aelmore , Richard C. Ordonez , Shibin Parameswaran , Justin Mauger

In this paper, we propose a novel visual tracking framework that intelligently discovers reliable patterns from a wide range of video to resist drift error for long-term tracking tasks. First, we design a Discrete Fourier Transform (DFT)…

Computer Vision and Pattern Recognition · Computer Science 2016-02-19 Shu Wang , Shaoting Zhang , Wei Liu , Dimitris N. Metaxas

The tracking algorithm performance depends on video content. This paper presents a new multi-object tracking approach which is able to cope with video content variations. First the object detection is improved using Kanade- Lucas-Tomasi…

Computer Vision and Pattern Recognition · Computer Science 2014-04-09 Duc Phu Chau , François Bremond , Monique Thonnat , Slawomir Bak

The interest in 3D dynamical tracking is growing in fields such as robotics, biology and fluid dynamics. Recently, a major source of progress in 3D tracking has been the study of collective behaviour in biological systems, where the…

Computer Vision and Pattern Recognition · Computer Science 2015-11-05 Andrea Cavagna , Chiara Creato , Lorenzo Del Castello , Stefania Melillo , Leonardo Parisi , Massimiliano Viale