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Recently, the application of computer vision for anomaly detection has been under attention in several industrial fields. An important example is oil pipeline defect detection. Failure of one oil pipeline can interrupt the operation of the…

Machine Learning · Computer Science 2023-10-03 Iurii Katser , Vyacheslav Kozitsin , Igor Mozolin

Collimator detection remains a challenging task in X-ray systems with unreliable or non-available information about the detectors position relative to the source. This paper presents a physically motivated image processing pipeline for…

Computer Vision and Pattern Recognition · Computer Science 2024-11-18 Benjamin El-Zein , Dominik Eckert , Thomas Weber , Maximilian Rohleder , Ludwig Ritschl , Steffen Kappler , Andreas Maier

The use of machine learning (ML) methods for development of robust and flexible visual inspection system has shown promising. However their performance is highly dependent on the amount and diversity of training data. This is often…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Juraj Fulir , Natascha Jeziorski , Lovro Bosnar , Hans Hagen , Claudia Redenbach , Petra Gospodnetić , Tobias Herrfurth , Marcus Trost , Thomas Gischkat

Offline evaluation plays a central role in benchmarking recommender systems when online testing is impractical or risky. However, it is susceptible to two key sources of bias: exposure bias, where users only interact with items they are…

Information Retrieval · Computer Science 2025-08-12 Bruno L. Pereira , Alan Said , Rodrygo L. T. Santos

This paper analyzes the technological requirements necessary to enhance the credibility and reliability of judicial hearings conducted via videoconference, from the internal perspective of the judiciary. Drawing on the practical experience…

Human-Computer Interaction · Computer Science 2025-07-29 Jorge Alberto Araujo

Capture stages are high-end sources of state-of-the-art recordings for downstream applications in movies, games, and other media. One crucial step in almost all pipelines is matting, i.e., separating captured performances from the…

Graphics · Computer Science 2025-11-20 Hannah Dröge , Janelle Pfeifer , Saskia Rabich , Reinhard Klein , Matthias B. Hullin , Markus Plack

Real-time online object tracking in videos constitutes a core task in computer vision, with wide-ranging applications including video surveillance, motion capture, and robotics. Deployed tracking systems usually lack formal safety…

Computer Vision and Pattern Recognition · Computer Science 2026-02-16 Alejandro Monroy Muñoz , Rajeev Verma , Alexander Timans

Anomaly detection describes methods of finding abnormal states, instances or data points that differ from a normal value space. Industrial processes are a domain where predicitve models are needed for finding anomalous data instances for…

Machine Learning · Computer Science 2022-09-26 Alexander Zeiser , Bas van Stein , Thomas Bäck

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 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 availability of both structured and unstructured databases, such as electronic health data, social media data, patent data, and surveys that are often updated in real time, among others, has grown rapidly over the past decade. With this…

Databases · Computer Science 2023-07-26 Rebecca C. Steorts

Modern information retrieval systems often rely on multiple components executed in a pipeline. In a research setting, this can lead to substantial redundant computations (e.g., retrieving the same query multiple times for evaluating…

Information Retrieval · Computer Science 2025-04-15 Sean MacAvaney , Craig Macdonald

Data science pipelines to train and evaluate models with machine learning may contain bugs just like any other code. Leakage between training and test data can lead to overestimating the model's accuracy during offline evaluations, possibly…

Software Engineering · Computer Science 2022-09-08 Chenyang Yang , Rachel A Brower-Sinning , Grace A. Lewis , Christian Kästner

Educators have faced new challenges in effective course assessment during the recent, unprecedented shift to remote online learning during the COVID-19 pandemic. In place of typical proctored, timed exams, instructors must now rethink their…

Computers and Society · Computer Science 2020-09-04 Gili Rusak , Lisa Yan

Closed-circuit video (CCTV) inspection has been the most popular technique for visually evaluating the interior status of pipelines in recent decades. Certified inspectors prepare the pipe repair document based on the CCTV inspection. The…

Information Retrieval · Computer Science 2024-09-02 Sai Nethra Betgeri , Shashank Reddy Vadyala , John C. Mattews , Hongfang Lu

As ultra-realistic face forgery techniques emerge, deepfake detection has attracted increasing attention due to security concerns. Many detectors cannot achieve accurate results when detecting unseen manipulations despite excellent…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Zihan Liu , Hanyi Wang , Shilin Wang

In recent years, video conferencing (VC) popularity has skyrocketed for a wide range of activities. As a result, the number of VC users surged sharply. The sharp increase in VC usage has been accompanied by various newly emerging privacy…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Shmuel Horowitz , Dima Kagan , Galit Fuhrmann Alpert , Michael Fire

The rapid development of technologies and artificial intelligence makes deepfakes an increasingly sophisticated and challenging-to-identify technique. To ensure the accuracy of information and control misinformation and mass manipulation,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-26 Paloma Cantero-Arjona , Alfonso Sánchez-Macián

The paper proposes a new latent variable model for the simultaneous (two-way) detection of outlying individuals and items for item-response-type data. The proposed model is a synergy between a factor model for binary responses and…

Methodology · Statistics 2021-10-25 Yunxiao Chen , Yan Lu , Irini Moustaki

In this paper, we propose an effective pipeline for clothes retrieval system which has sturdiness on large-scale real-world fashion data. Our proposed method consists of three components: detection, retrieval, and post-processing. We…

Computer Vision and Pattern Recognition · Computer Science 2020-05-27 Yang-Ho Ji , HeeJae Jun , Insik Kim , Jongtack Kim , Youngjoon Kim , Byungsoo Ko , Hyong-Keun Kook , Jingeun Lee , Sangwon Lee , Sanghyuk Park