English
Related papers

Related papers: Privacy-Aware Activity Classification from First P…

200 papers

This paper presents a framework for recognition of human activity from egocentric video and eye tracking data obtained from a head-mounted eye tracker. Three channels of information such as eye movement, ego-motion, and visual features are…

Computer Vision and Pattern Recognition · Computer Science 2018-05-21 Anjith George , Aurobinda Routray

The identification of source cameras from videos, though it is a highly relevant forensic analysis topic, has been studied much less than its counterpart that uses images. In this work we propose a method to identify the source camera of a…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Derrick Timmerman , Swaroop Bennabhaktula , Enrique Alegre , George Azzopardi

Human pose is a useful feature for fine-grained sports action understanding. However, pose estimators are often unreliable when run on sports video due to domain shift and factors such as motion blur and occlusions. This leads to poor…

Computer Vision and Pattern Recognition · Computer Science 2021-09-06 James Hong , Matthew Fisher , Michaël Gharbi , Kayvon Fatahalian

Understanding driver activity is vital for in-vehicle systems that aim to reduce the incidence of car accidents rooted in cognitive distraction. Automating real-time behavior recognition while ensuring actions classification with high…

Computer Vision and Pattern Recognition · Computer Science 2021-02-23 Chaoyun Zhang , Rui Li , Woojin Kim , Daesub Yoon , Paul Patras

We present a learning algorithm for human activity recognition in videos. Our approach is designed for UAV videos, which are mainly acquired from obliquely placed dynamic cameras that contain a human actor along with background motion.…

Computer Vision and Pattern Recognition · Computer Science 2025-02-13 Divya Kothandaraman , Ming Lin , Dinesh Manocha

The use of accurate and reliable open-source human activity recognition (HAR) models on passively collected wrist-accelerometer data is essential in large-scale epidemiological studies that investigate the association between physical…

Machine Learning · Computer Science 2026-05-01 Aidan Acquah , Shing Chan , Aiden Doherty

Visual appearance-based person retrieval is a challenging problem in surveillance. It uses attributes like height, cloth color, cloth type and gender to describe a human. Such attributes are known as soft biometrics. This paper proposes…

Computer Vision and Pattern Recognition · Computer Science 2019-11-01 Hiren Galiyawala , Mehul S Raval , Shivansh Dave

The proliferation of Vision-Language Models (VLMs) introduces profound privacy risks from personal videos. This paper addresses the critical yet unexplored inferential privacy threat, the risk of inferring sensitive personal attributes over…

Human-Computer Interaction · Computer Science 2025-11-05 Shuning Zhang , Zhaoxin Li , Changxi Wen , Ying Ma , Simin Li , Gengrui Zhang , Ziyi Zhang , Yibo Meng , Hantao Zhao , Xin Yi , Hewu Li

Recognizing abnormal events such as traffic violations and accidents in natural driving scenes is essential for successful autonomous driving and advanced driver assistance systems. However, most work on video anomaly detection suffers from…

Computer Vision and Pattern Recognition · Computer Science 2019-07-29 Yu Yao , Mingze Xu , Yuchen Wang , David J. Crandall , Ella M. Atkins

Systems that give control of a mobile robot to a remote user raise privacy concerns about what the remote user can see and do through the robot. We aim to preserve some of that privacy by manipulating the video data that the remote user…

Human activity recognition, facilitated by smart devices, has recently garnered significant attention. Deep learning algorithms have become pivotal in daily activities, sports, and healthcare. Nevertheless, addressing the challenge of…

Human-Computer Interaction · Computer Science 2024-11-19 Nazanin Sedaghati , Masoud Kargar , Sina Abbaskhani

Facial motion capture in mixed reality headsets enables real-time avatar animation, allowing users to convey non-verbal cues during virtual interactions. However, as facial motion data constitutes a behavioral biometric, its use raises…

Cryptography and Security · Computer Science 2025-07-16 Adriano Castro , Simon Hanisch , Matin Fallahi , Thorsten Strufe

When we say a person is texting, can you tell the person is walking or sitting? Emphatically, no. In order to solve this incomplete representation problem, this paper presents a sub-action descriptor for detailed action detection. The…

Computer Vision and Pattern Recognition · Computer Science 2017-10-11 Cheng-Bin Jin , Shengzhe Li , Hakil Kim

A first-person camera, placed at a person's head, captures, which objects are important to the camera wearer. Most prior methods for this task learn to detect such important objects from the manually labeled first-person data in a…

Computer Vision and Pattern Recognition · Computer Science 2017-08-03 Gedas Bertasius , Hyun Soo Park , Stella X. Yu , Jianbo Shi

Collaborative robots are increasingly present in industry to support human activities. However, to make the human-robot collaborative process more effective, there are several challenges to be addressed. Collaborative robotic systems need…

Computer Vision and Pattern Recognition · Computer Science 2023-03-20 Laura Duarte , Pedro Neto

This paper showcases an experimental study on anomaly detection using computer vision. The study focuses on class distinction and performance evaluation, combining OpenCV with deep learning techniques while employing a TensorFlow-based…

Computer Vision and Pattern Recognition · Computer Science 2025-03-26 Md. Barkat Ullah Tusher , Shartaz Khan Akash , Amirul Islam Showmik

Face obfuscation (blurring, mosaicing, etc.) has been shown to be effective for privacy protection; nevertheless, object recognition research typically assumes access to complete, unobfuscated images. In this paper, we explore the effects…

Computer Vision and Pattern Recognition · Computer Science 2022-06-10 Kaiyu Yang , Jacqueline Yau , Li Fei-Fei , Jia Deng , Olga Russakovsky

The 3rd annual installment of the ActivityNet Large- Scale Activity Recognition Challenge, held as a full-day workshop in CVPR 2018, focused on the recognition of daily life, high-level, goal-oriented activities from user-generated videos…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Bernard Ghanem , Juan Carlos Niebles , Cees Snoek , Fabian Caba Heilbron , Humam Alwassel , Victor Escorcia , Ranjay Krishna , Shyamal Buch , Cuong Duc Dao

With rapidly increasing deployment of surveillance cameras, the reliable methods for automatically analyzing the surveillance video and recognizing special events are demanded by different practical applications. This paper proposes a novel…

Computer Vision and Pattern Recognition · Computer Science 2018-10-29 Michael Ying Yang , Wentong Liao , Chun Yang , Yanpeng Cao , Bodo Rosenhahn

The behavioural and psychological symptoms of dementia, such as agitation and aggression, present a significant health and safety risk in residential care settings. Many care facilities have video cameras in place for digital monitoring of…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Pratik K. Mishra , Irene Ballester , Andrea Iaboni , Bing Ye , Kristine Newman , Alex Mihailidis , Shehroz S. Khan