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Online exams have become widely used to evaluate students' performance in mastering knowledge in recent years, especially during the pandemic of COVID-19. However, it is challenging to conduct proctoring for online exams due to the lack of…

Human-Computer Interaction · Computer Science 2021-01-21 Haotian Li , Min Xu , Yong Wang , Huan Wei , Huamin Qu

Online exams conducted via video conferencing platforms such as Zoom have become widespread, yet ensuring exam integrity remains challenging due to the difficulty of monitoring multiple video feeds in real time. We present iExam, an online…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Xu Yang , Juantao Zhong , Daoyuan Wu , Xiao Yi , Jimmy H. M. Lee , Tan Lee , Peng Han

Remote proctoring technology, a cheating-preventive measure, often raises privacy and fairness concerns that may affect test-takers' experiences and the validity of test results. Our study explores how selectively obfuscating information in…

Human-Computer Interaction · Computer Science 2024-06-24 Suvadeep Mukherjee , Verena Distler , Gabriele Lenzini , Pedro Cardoso-Leite

Online proctoring systems (OPS) are technologies and services that are used to monitor students during an online exam to deter cheating. However, OPS often violates student privacy by implementing overly intrusive surveillance to which…

Human-Computer Interaction · Computer Science 2025-11-17 Monika Blue Kwapisz , Yoav Ackerman , Jennifer Nguyen , Prashanth Rajivan

For high-stakes online exams, it is important to detect potential rule violations to ensure the security of the test. In this study, we investigate the task of detecting whether test takers are looking away from the screen, as such behavior…

Artificial Intelligence · Computer Science 2024-09-26 Yong-Siang Shih , Zach Zhao , Chenhao Niu , Bruce Iberg , James Sharpnack , Mirza Basim Baig

Online exams are more attractive after the Covid-19 pandemic. Furthermore, during recruitment, online exams are used. However, there are more cheating possibilities for online exams. Assigning a proctor for each exam increases cost. At this…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Mert Ege , Mustafa Ceyhan

Cheating in online exams has become a prevalent issue over the past decade, especially during the COVID-19 pandemic. To address this issue of academic dishonesty, our "Exam Monitoring System: Detecting Abnormal Behavior in Online…

Computer Vision and Pattern Recognition · Computer Science 2024-02-20 Dinh An Ngo , Thanh Dat Nguyen , Thi Le Chi Dang , Huy Hoan Le , Ton Bao Ho , Vo Thanh Khang Nguyen , Truong Thanh Hung Nguyen

In response to the Covid-19 pandemic, educational institutions quickly transitioned to remote learning. The problem of how to perform student assessment in an online environment has become increasingly relevant, leading many institutions…

Cryptography and Security · Computer Science 2021-06-11 David G. Balash , Dongkun Kim , Darikia Shaibekova , Rahel A. Fainchtein , Micah Sherr , Adam J. Aviv

The burgeoning of online education has created an urgent need for robust and scalable systems to ensure academic integrity during remote examinations. Traditional human proctoring is often not feasible at scale, while existing automated…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Aryan Kashyap Naveen

Examinations are a crucial part of the learning process, and academic institutions invest significant resources into maintaining their integrity by preventing cheating from students or facilitators. However, cheating has become rampant in…

Computer Vision and Pattern Recognition · Computer Science 2023-08-25 Reuben Moyo , Stanley Ndebvu , Michael Zimba , Jimmy Mbelwa

The popularity of various social platforms has prompted more people to share their routine photos online. However, undesirable privacy leakages occur due to such online photo sharing behaviors. Advanced deep neural network (DNN) based…

Computer Vision and Pattern Recognition · Computer Science 2022-07-05 Mingfu Xue , Shichang Sun , Zhiyu Wu , Can He , Jian Wang , Weiqiang Liu

AI-assisted cheating has emerged as a significant threat in the context of online exams. Advanced browser extensions now enable large language models (LLMs) to answer questions presented in online exams within seconds, thereby compromising…

Human-Computer Interaction · Computer Science 2025-10-23 Gökhan Akçapınar

Pose-based anomaly detection is a video-analysis technique for detecting anomalous events or behaviors by examining human pose extracted from the video frames. Utilizing pose data alleviates privacy and ethical issues. Also,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-10 Ghazal Alinezhad Noghre , Armin Danesh Pazho , Vinit Katariya , Hamed Tabkhi

Privacy is one of the key challenges to the adoption and implementation of online proctoring systems in higher education. To better understand this challenge, we adopt privacy as contextual integrity theory to conduct a scoping review of 17…

Computers and Society · Computer Science 2023-10-31 Mutimukwe Chantal , Han Shengnan , Viberg Olga , Cerratto-Pargman Teresa

A face image not only provides details about the identity of a subject but also reveals several attributes such as gender, race, sexual orientation, and age. Advancements in machine learning algorithms and popularity of sharing images on…

Computer Vision and Pattern Recognition · Computer Science 2018-10-01 Saheb Chhabra , Richa Singh , Mayank Vatsa , Gaurav Gupta

There is an increasing concern in computer vision devices invading users' privacy by recording unwanted videos. On the one hand, we want the camera systems to recognize important events and assist human daily lives by understanding its…

Computer Vision and Pattern Recognition · Computer Science 2018-07-30 Zhongzheng Ren , Yong Jae Lee , Michael S. Ryoo

This paper introduces an algorithm to protect the privacy of individuals in streaming video data by blurring faces such that face cannot be reliably recognized. This thwarts any possible face recognition, but because all facial details are…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Jizhe Zhou , Chi-Man Pun , YingYu Wang

This paper investigates the feasibility of a proactive DeepFake defense framework, {\em FacePosion}, to prevent individuals from becoming victims of DeepFake videos by sabotaging face detection. The motivation stems from the reliance of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-03 Delong Zhu , Yuezun Li , Baoyuan Wu , Jiaran Zhou , Zhibo Wang , Siwei Lyu

This study addresses the current issues in online assessments, which are particularly relevant during the Covid-19 pandemic. Our focus is on academic dishonesty associated with online assessments. We investigated the prevalence of potential…

Human-Computer Interaction · Computer Science 2021-01-26 Leslie Ching Ow Tiong , HeeJeong Jasmine Lee

Anomaly detection in surveillance videos has been recently gaining attention. Even though the performance of state-of-the-art methods on publicly available data sets has been competitive, they demand a massive amount of training data. Also,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-07 Keval Doshi , Yasin Yilmaz
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