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Anomaly detection is critically important for intelligent surveillance systems to detect in a timely manner any malicious activities. Many video anomaly detection approaches using deep learning methods focus on a single camera video stream…

Computer Vision and Pattern Recognition · Computer Science 2020-10-07 Chongke Wu , Sicong Shao , Cihan Tunc , Salim Hariri

The paper develops datasets and methods to assess student participation in real-life collaborative learning environments. In collaborative learning environments, students are organized into small groups where they are free to interact…

Computer Vision and Pattern Recognition · Computer Science 2024-05-07 Wenjing Shi , Phuong Tran , Sylvia Celedón-Pattichis , Marios S. Pattichis

With the increase of distance learning, in general, and e-learning, in particular, having a system capable of determining the engagement of students is of primordial importance, and one of the biggest challenges, both for teachers,…

Computer Vision and Pattern Recognition · Computer Science 2023-03-24 Prabin Sharma , Shubham Joshi , Subash Gautam , Sneha Maharjan , Salik Ram Khanal , Manuel Cabral Reis , João Barroso , Vítor Manuel de Jesus Filipe

This full paper in the research track evaluates the usage of data logged from cybersecurity exercises in order to predict students who are potentially at risk of performing poorly. Hands-on exercises are essential for learning since they…

This paper presents a review of human activity recognition and behaviour understanding in video sequence. The key objective of this paper is to provide a general review on the overall process of a surveillance system used in the current…

Computer Vision and Pattern Recognition · Computer Science 2012-07-31 A. R. Revathi , Dhananjay Kumar

Detecting anomalies in images has become a well-explored problem in both academia and industry. State-of-the-art algorithms are able to detect defects in increasingly difficult settings and data modalities. However, most current methods are…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Mathis Kruse , Marco Rudolph , Dominik Woiwode , Bodo Rosenhahn

We introduce the task of early mistake detection in video, where the goal is to determine whether a keystep in a procedural activity is performed correctly while observing as little of the streaming video as possible. To tackle this…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Sagnik Majumder , Anish Nethi , Ziad Al-Halah , Kristen Grauman

In this paper, we propose a privacy-enhancing technique leveraging an inherent property of automatic pedestrian detection algorithms, namely, that the training of deep neural network (DNN) based methods is generally performed using curated…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Jacob Shams , Ben Nassi , Satoru Koda , Asaf Shabtai , Yuval Elovici

The onset of the COVID-19 pandemic changed the landscape of education and led to increased usage of remote proctoring tools that are designed to monitor students when they take assessments outside the classroom. While prior work has…

Computers and Society · Computer Science 2023-02-28 David G. Balash , Rahel A. Fainchtein , Elena Korkes , Miles Grant , Micah Sherr , Adam J. Aviv

The recent proliferation of hyper-realistic deepfake videos has drawn attention to the threat of audio and visual forgeries. Most previous studies on detecting artificial intelligence-generated fake videos only utilize visual modality or…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Ammarah Hashmi , Sahibzada Adil Shahzad , Chia-Wen Lin , Yu Tsao , Hsin-Min Wang

Automatic deception detection is an important task that has gained momentum in computational linguistics due to its potential applications. In this paper, we propose a simple yet tough to beat multi-modal neural model for deception…

Computation and Language · Computer Science 2018-03-21 Gangeshwar Krishnamurthy , Navonil Majumder , Soujanya Poria , Erik Cambria

Inspection of insulators is important to ensure reliable operation of the power system. Deep learning is being increasingly exploited to automate the inspection process by leveraging object detection models to analyse aerial images captured…

Computer Vision and Pattern Recognition · Computer Science 2024-08-28 Laya Das , Blazhe Gjorgiev , Giovanni Sansavini

Deception detection is an interdisciplinary field attracting researchers from psychology, criminology, computer science, and economics. We propose a multimodal approach combining deep learning and discriminative models for automated…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Laslo Dinges , Marc-André Fiedler , Ayoub Al-Hamadi , Thorsten Hempel , Ahmed Abdelrahman , Joachim Weimann , Dmitri Bershadskyy

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

Automated X-ray inspection is crucial for efficient and unobtrusive security screening in various public settings. However, challenges such as object occlusion, variations in the physical properties of items, diversity in X-ray scanning…

Rapid spread of false images and videos on online platforms is an emerging problem. Anyone may add, delete, clone or modify people and entities from an image using various editing software which are readily available. This generates false…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Shayantani Kar , B. Shresth Bhimrajka , Aditya Kumar , Sahil Gupta , Sourav Ghosh , Subhamita Mukherjee , Shauvik Paul

Accounting for the increased concern for public safety, automatic abnormal event detection and recognition in a surveillance scene is crucial. It is a current open study subject because of its intricacy and utility. The identification of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-27 Anikeit Sethi , Krishanu Saini , Sai Mounika Mididoddi

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

Anomaly detection in videos is challenging due to the complexity, noise, and diverse nature of activities such as violence, shoplifting, and vandalism. While deep learning (DL) has shown excellent performance in this area, existing…

Computer Vision and Pattern Recognition · Computer Science 2024-08-05 Sabah Abdulazeez Jebur , Khalid A. Hussein , Haider Kadhim Hoomod , Laith Alzubaidi , Ahmed Ali Saihood , YuanTong Gu

Educators are rapidly switching to remote proctoring and examination software for their testing needs, both due to the COVID-19 pandemic and the expanding virtualization of the education sector. State boards are increasingly utilizing these…

Cryptography and Security · Computer Science 2022-05-09 Ben Burgess , Avi Ginsberg , Edward W. Felten , Shaanan Cohney