English
Related papers

Related papers: Expressway visibility estimation based on image en…

200 papers

Road traffic accidents represent a leading cause of mortality globally, with incidence rates rising due to increasing population, urbanization, and motorization. Rising accident rates raise concerns about traffic surveillance effectiveness.…

Computer Vision and Pattern Recognition · Computer Science 2025-12-15 Tanu Singh , Pranamesh Chakraborty , Long T. Truong

Online dense mapping of urban scenes forms a fundamental cornerstone for scene understanding and navigation of autonomous vehicles. Recent advancements in mapping methods are mainly based on NeRF, whose rendering speed is too slow to meet…

Computer Vision and Pattern Recognition · Computer Science 2024-04-01 Ke Wu , Kaizhao Zhang , Zhiwei Zhang , Shanshuai Yuan , Muer Tie , Julong Wei , Zijun Xu , Jieru Zhao , Zhongxue Gan , Wenchao Ding

Scene model construction based on image rendering is an indispensable but challenging technique in computer vision and intelligent transportation systems. In this paper, we propose a framework for constructing 3D corridor-based road scene…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Yaochen Li , Yuehu Liu , Jihua Zhu , Shiqi Ma , Zhenning Niu , Rui Guo

Edge detection is one of the most critical tasks in automatic image analysis. There exists no universal edge detection method which works well under all conditions. This paper shows the new approach based on the one of the most efficient…

Computer Vision and Pattern Recognition · Computer Science 2012-11-13 Mohamed A. El-Sayed

We address the problem of highlight detection from a 360 degree video by summarizing it both spatially and temporally. Given a long 360 degree video, we spatially select pleasantly-looking normal field-of-view (NFOV) segments from unlimited…

Computer Vision and Pattern Recognition · Computer Science 2018-02-01 Youngjae Yu , Sangho Lee , Joonil Na , Jaeyun Kang , Gunhee Kim

Vision in adverse weather conditions, whether it be snow, rain, or fog is challenging. In these scenarios, scattering and attenuation severly degrades image quality. Handling such inclement weather conditions, however, is essential to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-04 Andrea Ramazzina , Mario Bijelic , Stefanie Walz , Alessandro Sanvito , Dominik Scheuble , Felix Heide

Extracting informative representations from videos is fundamental for effectively learning various downstream tasks. We present a novel approach for unsupervised learning of meaningful representations from videos, leveraging the concept of…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Ali Younes , Simone Schaub-Meyer , Georgia Chalvatzaki

Most image smoothing filters in the literature assume a piecewise constant model of smoothed output images. However, the piecewise constant model assumption can cause artifacts such as gradient reversals in applications such as image detail…

Graphics · Computer Science 2018-01-23 Wei Liu , Wei Xu , Xiaogang Chen , Xiaolin Huang , Chunhua Shen , Jie Yang

This paper provides a comprehensive survey of methods dealing with visibility enhancement of images taken in hazy or foggy scenes. The survey begins with discussing the optical models of atmospheric scattering media and image formation.…

Computer Vision and Pattern Recognition · Computer Science 2016-07-22 Yu Li , Shaodi You , Michael S. Brown , Robby T. Tan

Surveying 3D scenes is a common task in robotics. Systems can do so autonomously by iteratively obtaining measurements. This process of planning observations to improve the model of a scene is called Next Best View (NBV) planning. NBV…

Robotics · Computer Science 2018-11-16 Rowan Border , Jonathan D. Gammell , Paul Newman

Neural rendering-based urban scene reconstruction methods commonly rely on images collected from driving vehicles with cameras facing and moving forward. Although these methods can successfully synthesize from views similar to training…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Sungwon Hwang , Min-Jung Kim , Taewoong Kang , Jayeon Kang , Jaegul Choo

The need to accurately estimate the speed of road vehicles is becoming increasingly important for at least two main reasons. First, the number of speed cameras installed worldwide has been growing in recent years, as the introduction and…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 David Fernández Llorca , Antonio Hernández Martínez , Iván García Daza

We describe a light-weight, weather and lighting invariant, Semantic Bird's Eye View (S-BEV) signature for vision-based vehicle re-localization. A topological map of S-BEV signatures is created during the first traversal of the route, which…

Computer Vision and Pattern Recognition · Computer Science 2021-01-26 Mokshith Voodarla , Shubham Shrivastava , Sagar Manglani , Ankit Vora , Siddharth Agarwal , Punarjay Chakravarty

Traffic congestion is a widespread problem. Dynamic traffic routing systems and congestion pricing are getting importance in recent research. Lane prediction and vehicle density estimation is an important component of such systems. We…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Parag S. Chandakkar , Yilin Wang , Baoxin Li

Autonomous driving requires accurate reasoning of the location of objects from raw sensor data. Recent end-to-end learning methods go from raw sensor data to a trajectory output via Bird's Eye View(BEV) segmentation as an interpretable…

Understanding road geometry is a critical component of the autonomous vehicle (AV) stack. While high-definition (HD) maps can readily provide such information, they suffer from high labeling and maintenance costs. Accordingly, many recent…

Robotics · Computer Science 2024-07-10 Xunjiang Gu , Guanyu Song , Igor Gilitschenski , Marco Pavone , Boris Ivanovic

Street view imagery (SVI), largely captured via outfitted fleets or mounted dashcams in consumer vehicles is a rapidly growing source of geospatial data used in urban sensing and development. These datasets are often collected…

Human-Computer Interaction · Computer Science 2024-04-02 Tahiya Chowdhury , Ilan Mandel , Jorge Ortiz , Wendy Ju

Analyzing video for traffic categorization is an important pillar of Intelligent Transport Systems. However, it is difficult to analyze and predict traffic based on image frames because the representation of each frame may vary…

Computer Vision and Pattern Recognition · Computer Science 2019-02-19 Somdip Dey , Amit K. Singh , Dilip K. Prasad , Klaus D. McDonald-Maier

Recently, 3D Gaussian Splatting (3D-GS) has achieved significant success in real-time, high-quality 3D scene rendering. However, it faces several challenges, including Gaussian redundancy, limited ability to capture view-dependent effects,…

Computer Vision and Pattern Recognition · Computer Science 2025-05-16 Junxi Jin , Xiulai Li , Haiping Huang , Lianjun Liu , Yujie Sun , Logan Liu

To time-efficiently and stably acquire the intensity information for phase retrieval under a coherent illumination, we leverage an event-based vision sensor (EVS) that can detect changes in logarithmic intensity at the pixel level with a…

Information Theory · Computer Science 2025-11-10 Kaito Hori , Chihiro Tsutake , Keita Takahashi , Toshiaki Fujii