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Visual Odometry (VO) is one of the fundamental tasks in computer vision for robotics. However, its performance is deeply affected by High Dynamic Range (HDR) scenes, omnipresent outdoor. While new Automatic-Exposure (AE) approaches to…

We introduce xbench, a dynamic, profession-aligned evaluation suite designed to bridge the gap between AI agent capabilities and real-world productivity. While existing benchmarks often focus on isolated technical skills, they may not…

Object-to-camera motion produces a variety of apparent motion patterns that significantly affect performance of short-term visual trackers. Despite being crucial for designing robust trackers, their influence is poorly explored in standard…

Computer Vision and Pattern Recognition · Computer Science 2017-03-28 Luka Čehovin Zajc , Alan Lukežič , Aleš Leonardis , Matej Kristan

We aim to tackle a novel task in action detection - Online Detection of Action Start (ODAS) in untrimmed, streaming videos. The goal of ODAS is to detect the start of an action instance, with high categorization accuracy and low detection…

Computer Vision and Pattern Recognition · Computer Science 2018-07-24 Zheng Shou , Junting Pan , Jonathan Chan , Kazuyuki Miyazawa , Hassan Mansour , Anthony Vetro , Xavier Giro-i-Nieto , Shih-Fu Chang

Sharing or publishing social network data while accounting for privacy of individuals is a difficult task due to the interconnectedness of nodes in networks. A key question in k-anonymity, a widely studied notion of privacy, is how to…

Social and Information Networks · Computer Science 2025-06-27 Rachel G. de Jong , Mark P. J. van der Loo , Frank W. Takes

Real-time detection of anomalies in streaming data is receiving increasing attention as it allows us to raise alerts, predict faults, and detect intrusions or threats across industries. Yet, little attention has been given to compare the…

Despite recent advances in Computer Vision and Artificial Intelligence (AI), AI-assisted video solutions have struggled to penetrate real-world urban environments due to significant concerns regarding privacy, ethical risks, and technical…

Computers and Society · Computer Science 2026-03-06 Mehrnoush Fereydouni , Eka Ebong , Sahar Maleki , Philip Otienoburu , Babak Rahimi Ardabili , Hamed Tabkhi

Occlusion perception, a critical foundation for human-level spatial understanding, embodies the challenge of integrating visual recognition and reasoning. Though multimodal large language models (MLLMs) have demonstrated remarkable…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Zhaochen Liu , Kaiwen Gao , Shuyi Liang , Bin Xiao , Limeng Qiao , Lin Ma , Tingting Jiang

Event-based vision, characterized by low redundancy, focus on dynamic motion, and inherent privacy-preserving properties, naturally fits the demands of video anomaly detection (VAD). However, the absence of dedicated event-stream anomaly…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Peng Wu , Yuting Yan , Guansong Pang , Yujia Sun , Qingsen Yan , Peng Wang , Yanning Zhang

Offline optimization aims to maximize a black-box objective function with a static dataset and has wide applications. In addition to the objective function being black-box and expensive to evaluate, numerous complex real-world problems…

Machine Learning · Computer Science 2024-06-07 Ke Xue , Rong-Xi Tan , Xiaobin Huang , Chao Qian

Privacy preservation is a prerequisite for using video data in Operating Room (OR) research. Effective anonymization relies on the exhaustive localization of every individual; even a single missed detection necessitates extensive manual…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Keqi Chen , Vinkle Srivastav , Armine Vardazaryan , Cindy Rolland , Didier Mutter , Nicolas Padoy

Comparing model performances on benchmark datasets is an integral part of measuring and driving progress in artificial intelligence. A model's performance on a benchmark dataset is commonly assessed based on a single or a small set of…

Artificial Intelligence · Computer Science 2021-11-09 Kathrin Blagec , Georg Dorffner , Milad Moradi , Matthias Samwald

This article provides a thorough meta-analysis of the anomaly detection problem. To accomplish this we first identify approaches to benchmarking anomaly detection algorithms across the literature and produce a large corpus of anomaly…

Artificial Intelligence · Computer Science 2016-08-29 Andrew Emmott , Shubhomoy Das , Thomas Dietterich , Alan Fern , Weng-Keen Wong

Active Learning has received significant attention in the field of machine learning for its potential in selecting the most informative samples for labeling, thereby reducing data annotation costs. However, we show that the reported lifts…

Machine Learning · Computer Science 2025-02-24 Thorben Werner , Johannes Burchert , Lars Schmidt-Thieme

Generic motion understanding from video involves not only tracking objects, but also perceiving how their surfaces deform and move. This information is useful to make inferences about 3D shape, physical properties and object interactions.…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Carl Doersch , Ankush Gupta , Larisa Markeeva , Adrià Recasens , Lucas Smaira , Yusuf Aytar , João Carreira , Andrew Zisserman , Yi Yang

The proliferation of speech technologies and rising privacy legislation calls for the development of privacy preservation solutions for speech applications. These are essential since speech signals convey a wealth of rich, personal and…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-01 Paul-Gauthier Noé , Jean-François Bonastre , Driss Matrouf , Natalia Tomashenko , Andreas Nautsch , Nicholas Evans

Obtaining standardized crowdsourced benchmark of computational methods is a major issue in data science communities. Dedicated frameworks enabling fair benchmarking in a unified environment are yet to be developed. Here we introduce…

Machine Learning · Computer Science 2022-06-28 Zhen Xu , Sergio Escalera , Isabelle Guyon , Adrien Pavão , Magali Richard , Wei-Wei Tu , Quanming Yao , Huan Zhao

Anomaly detection in surveillance videos is attracting an increasing amount of attention. Despite the competitive performance of recent methods, they lack theoretical performance analysis, particularly due to the complex deep neural network…

Computer Vision and Pattern Recognition · Computer Science 2020-10-15 Keval Doshi , Yasin Yilmaz

Endoscopic video recordings are widely used in minimally invasive robot-assisted surgery, but when the endoscope is outside the patient's body, it can capture irrelevant segments that may contain sensitive information. To address this, we…

Computer Vision and Pattern Recognition · Computer Science 2023-04-03 Ziheng Wang , Conor Perreault , Xi Liu , Anthony Jarc

The estimation of class prevalence, i.e., the fraction of a population that belongs to a certain class, is a very useful tool in data analytics and learning, and finds applications in many domains such as sentiment analysis, epidemiology,…

Machine Learning · Statistics 2021-09-21 Purushottam Kar , Shuai Li , Harikrishna Narasimhan , Sanjay Chawla , Fabrizio Sebastiani