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Visual localization is the problem of estimating the position and orientation from which a given image (or a sequence of images) is taken in a known scene. It is an important part of a wide range of computer vision and robotics…

Computer Vision and Pattern Recognition · Computer Science 2021-09-13 Ara Jafarzadeh , Manuel Lopez Antequera , Pau Gargallo , Yubin Kuang , Carl Toft , Fredrik Kahl , Torsten Sattler

Automatic detection of traffic accidents is an important emerging topic in traffic monitoring systems. Nowadays many urban intersections are equipped with surveillance cameras connected to traffic management systems. Therefore, computer…

Computer Vision and Pattern Recognition · Computer Science 2022-08-16 Hadi Ghahremannezhad , Hang Shi , Chengjun Liu

Vision-based road detection is an essential functionality for supporting advanced driver assistance systems (ADAS) such as road following and vehicle and pedestrian detection. The major challenges of road detection are dealing with shadows…

Computer Vision and Pattern Recognition · Computer Science 2014-12-11 José M. Álvarez , Ferran Diego , Joan Serrat , Antonio M. López

This paper presents two variations of architecture referred to as RANet and BIRANet. The proposed architecture aims to use radar signal data along with RGB camera images to form a robust detection network that works efficiently, even in…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Ritu Yadav , Axel Vierling , Karsten Berns

A key challenge for autonomous driving lies in maintaining real-time situational awareness regarding surrounding obstacles under strict latency constraints. The high processing requirements coupled with limited onboard computational…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Faisal Hawladera , Rui Meireles , Gamal Elghazaly , Ana Aguiar , Raphaël Frank

Current perception models in autonomous driving have become notorious for greatly relying on a mass of annotated data to cover unseen cases and address the long-tail problem. On the other hand, learning from unlabeled large-scale collected…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Jiageng Mao , Minzhe Niu , Chenhan Jiang , Hanxue Liang , Jingheng Chen , Xiaodan Liang , Yamin Li , Chaoqiang Ye , Wei Zhang , Zhenguo Li , Jie Yu , Hang Xu , Chunjing Xu

The development of computer vision algorithms for Unmanned Aerial Vehicles (UAVs) imagery heavily relies on the availability of annotated high-resolution aerial data. However, the scarcity of large-scale real datasets with pixel-level…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Giulia Rizzoli , Francesco Barbato , Matteo Caligiuri , Pietro Zanuttigh

Shadow detection in general photos is a nontrivial problem, due to the complexity of the real world. Though recent shadow detectors have already achieved remarkable performance on various benchmark data, their performance is still limited…

Computer Vision and Pattern Recognition · Computer Science 2024-09-06 Xiaowei Hu , Tianyu Wang , Chi-Wing Fu , Yitong Jiang , Qiong Wang , Pheng-Ann Heng

With the rapid advancement of generative models, highly realistic image synthesis has posed new challenges to digital security and media credibility. Although AI-generated image detection methods have partially addressed these concerns, a…

Computer Vision and Pattern Recognition · Computer Science 2025-09-12 Chunxiao Li , Xiaoxiao Wang , Meiling Li , Boming Miao , Peng Sun , Yunjian Zhang , Xiangyang Ji , Yao Zhu

In this paper, we present a dataset capturing diverse visual data formats that target varying luminance conditions. While RGB cameras provide nourishing and intuitive information, changes in lighting conditions potentially result in…

Robotics · Computer Science 2022-04-15 Alex Junho Lee , Younggun Cho , Young-sik Shin , Ayoung Kim , Hyun Myung

Research on damage detection of road surfaces has been an active area of re-search, but most studies have focused so far on the detection of the presence of damages. However, in real-world scenarios, road managers need to clearly understand…

Computer Vision and Pattern Recognition · Computer Science 2022-01-21 A. A. Angulo , J. A. Vega-Fernández , L. M. Aguilar-Lobo , S. Natraj , G Ochoa-Ruiz

We introduce ACCIDENT, a benchmark dataset for traffic accident detection in CCTV footage, designed to evaluate models in supervised (IID and OOD) and zero-shot settings, reflecting both data-rich and data-scarce scenarios. The benchmark…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Lukas Picek , Michal Čermák , Marek Hanzl , Vojtěch Čermák

Adverse weather conditions, particularly heavy snowfall, pose significant challenges to both human drivers and autonomous vehicles. Traditional image-based de-snowing methods often introduce hallucination artifacts as they rely solely on…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Manasi Muglikar , Nico Messikommer , Marco Cannici , Davide Scaramuzza

This work presented a new drone-based face detection dataset Drone LAMS in order to solve issues of low performance of drone-based face detection in scenarios such as large angles which was a predominant working condition when a drone flies…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Yi Luo , Siyi Chen , X. -G. Ma

In the past several years, road anomaly segmentation is actively explored in the academia and drawing growing attention in the industry. The rationale behind is straightforward: if the autonomous car can brake before hitting an anomalous…

Computer Vision and Pattern Recognition · Computer Science 2024-01-11 Beiwen Tian , Huan-ang Gao , Leiyao Cui , Yupeng Zheng , Lan Luo , Baofeng Wang , Rong Zhi , Guyue Zhou , Hao Zhao

Provident detection of other road users at night has the potential for increasing road safety. For this purpose, humans intuitively use visual cues, such as light cones and light reflections emitted by other road users to be able to react…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Lukas Ewecker , Lars Ohnemus , Robin Schwager , Stefan Roos , Tim Brühl , Sascha Saralajew

One of the main tasks of an autonomous agent in a vehicle is to correctly perceive its environment. Much of the data that needs to be processed is collected by optical sensors such as cameras. Unfortunately, the data collected in this way…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Michael Kranl , Hubert Ramsauer , Bernhard Knapp

Even though a significant amount of work has been done to increase the safety of transportation networks, accidents still occur regularly. They must be understood as unavoidable and sporadic outcomes of traffic networks. No public dataset…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Walter Zimmer , Ross Greer , Daniel Lehmberg , Marc Pavel , Holger Caesar , Xingcheng Zhou , Ahmed Ghita , Mohan Trivedi , Rui Song , Hu Cao , Akshay Gopalkrishnan , Alois C. Knoll

We propose RainyScape, an unsupervised framework for reconstructing clean scenes from a collection of multi-view rainy images. RainyScape consists of two main modules: a neural rendering module and a rain-prediction module that incorporates…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Xianqiang Lyu , Hui Liu , Junhui Hou

This study developed a traffic sign detection and recognition algorithm based on the RetinaNet. Two main aspects were revised to improve the detection of traffic signs: image cropping to address the issue of large image and small traffic…

Computer Vision and Pattern Recognition · Computer Science 2019-11-14 Meixin Zhu , Jingyun Hu , Ziyuan Pu , Zhiyong Cui , Liangwu Yan , Yinhai Wang