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Recent terrorist attacks in major cities around the world have brought many casualties among innocent citizens. One potential threat is represented by abandoned luggage items (that could contain bombs or biological warfare) in public areas.…

Computer Vision and Pattern Recognition · Computer Science 2018-06-18 Sorina Smeureanu , Radu Tudor Ionescu

In the last few years, several techniques for facial manipulation in videos have been successfully developed and made available to the masses (i.e., FaceSwap, deepfake, etc.). These methods enable anyone to easily edit faces in video…

Computer Vision and Pattern Recognition · Computer Science 2020-04-17 Nicolò Bonettini , Edoardo Daniele Cannas , Sara Mandelli , Luca Bondi , Paolo Bestagini , Stefano Tubaro

This paper addresses the problem of estimating and tracking human body keypoints in complex, multi-person video. We propose an extremely lightweight yet highly effective approach that builds upon the latest advancements in human detection…

Computer Vision and Pattern Recognition · Computer Science 2018-05-04 Rohit Girdhar , Georgia Gkioxari , Lorenzo Torresani , Manohar Paluri , Du Tran

Recently, image manipulation has achieved rapid growth due to the advancement of sophisticated image editing tools. A recent surge of generated fake imagery and videos using neural networks is DeepFake. DeepFake algorithms can create fake…

Computer Vision and Pattern Recognition · Computer Science 2022-06-01 Naciye Celebi , Qingzhong Liu , Muhammed Karatoprak

Human activity recognition in videos is a challenging problem that has drawn a lot of interest, particularly when the goal requires the analysis of a large video database. AOLME project provides a collaborative learning environment for…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Sravani Teeparthi

The practicality of a video surveillance system is adversely limited by the amount of queries that can be placed on human resources and their vigilance in response. To transcend this limitation, a major effort under way is to include…

Computer Vision and Pattern Recognition · Computer Science 2014-05-16 Samaneh Khoshrou , Jaime S. Cardoso , Luis F. Teixeira

Students interactions while solving problems in learning environments (i.e. log data) are often used to support students learning. For example, researchers use log data to develop systems that can provide students with personalized problem…

Computers and Society · Computer Science 2024-07-26 Alex Hicks , Yang Shi , Arun-Balajiee Lekshmi-Narayanan , Wei Yan , Samiha Marwan

Identifying academic plagiarism is a pressing problem, among others, for research institutions, publishers, and funding organizations. Detection approaches proposed so far analyze lexical, syntactical, and semantic text similarity. These…

Information Retrieval · Computer Science 2021-06-11 Norman Meuschke

Multiple choice questions are at the heart of many standardized tests and examinations at academic institutions allover the world. In this paper, we argue that recent advancements in sensing and human-computer interaction expose these types…

Cryptography and Security · Computer Science 2022-03-17 Tasnia Ashrafi Heya , Abdul Serwadda , Isaac Griswold-Steiner , Richard Matovu

Deepfakes - manipulated or forged audio and video media - pose significant security risks to individuals, organizations, and society at large. To address these challenges, machine learning-based classifiers are commonly employed to detect…

Cryptography and Security · Computer Science 2026-05-14 Nicolas Müller , Piotr Kawa , Adriana Stan , Thien-Phuc Doan , Souhwan Jung , Wei Herng Choong , Philip Sperl , Konstantin Böttinger

Recent advances in video manipulation techniques have made the generation of fake videos more accessible than ever before. Manipulated videos can fuel disinformation and reduce trust in media. Therefore detection of fake videos has garnered…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Shehzeen Hussain , Paarth Neekhara , Malhar Jere , Farinaz Koushanfar , Julian McAuley

The current concept of Smart Cities influences urban planners and researchers to provide modern, secured and sustainable infrastructure and give a decent quality of life to its residents. To fulfill this need video surveillance cameras have…

Computer Vision and Pattern Recognition · Computer Science 2021-08-10 Devashree R. Patrikar , Mayur Rajram Parate

Deepfake videos, produced through advanced artificial intelligence methods now a days, pose a new challenge to the truthfulness of the digital media. As Deepfake becomes more convincing day by day, detecting them requires advanced methods…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Mahmudul Hasan , Sadia Ruhama , Sabrina Tajnim Sithi , Chowdhury Mohammad Mutamir Samit , Oindrila Saha

We address the problem of anomaly detection, that is, detecting anomalous events in a video sequence. Anomaly detection methods based on convolutional neural networks (CNNs) typically leverage proxy tasks, such as reconstructing input video…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Hyunjong Park , Jongyoun Noh , Bumsub Ham

The increasing ubiquity of low-cost wireless sensors has enabled users to easily deploy systems to remotely monitor and control their environments. However, this raises privacy concerns for third-party occupants, such as a hotel room guest…

Cryptography and Security · Computer Science 2021-04-20 Akash Deep Singh , Luis Garcia , Joseph Noor , Mani Srivastava

Nowadays, many places use security cameras. Unfortunately, when an incident occurs, these technologies are used to show past events. So it can be considered as a deterrence tool than a detection tool. In this article, we will propose a deep…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Fabien Poirier

Student disengagement in online learning has become a critical challenge, particularly post-pandemic. This review explores deep learning techniques used to detect disengagement, emphasizing computer vision and affective computing as…

Human-Computer Interaction · Computer Science 2024-11-19 Ahmed Mohamed , Mostafa Ali , Shahd Ahmed , Nouran Hani , Mohammed Hisham , Meram Mahmoud

The use of new technologies in higher education has surprisingly emphasized students' tendency to adopt a passive behavior in class. Participation and interaction of students are essential to improve academic results. This paper describes…

Active authentication refers to the process in which users are unobtrusively monitored and authenticated continuously throughout their interactions with mobile devices. Generally, an active authentication problem is modelled as a one class…

Computer Vision and Pattern Recognition · Computer Science 2019-03-05 Poojan Oza , Vishal M. Patel

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
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