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Traffic cameras remain the primary source data for surveillance activities such as congestion and incident monitoring. To date, State agencies continue to rely on manual effort to extract data from networked cameras due to limitations of…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Linlin Zhang , Xiang Yu , Abdulateef Daud , Abdul Rashid Mussah , Yaw Adu-Gyamfi

The vast number of existing IP cameras in current road networks is an opportunity to take advantage of the captured data and analyze the video and detect any significant events. For this purpose, it is necessary to detect moving vehicles, a…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Iván García , Rafael Marcos Luque , Ezequiel López

This paper aims to develop a robust and flexible algorithm for vacant parking space detections using the image processing capabilities of OpenCV. It removes the need for independent sensors to detect a car and instead, uses real-time images…

Image and Video Processing · Electrical Eng. & Systems 2018-07-09 Chetan Sai Tutika , Charan Vallapaneni , Karthikeyan B

Currently, there are computer vision systems that help us with tasks that would be dull for humans, such as surveillance and vehicle tracking. An important part of this analysis is to identify traffic anomalies. An anomaly tells us that…

CCTV-based vehicle tracking systems face structural limitations in continuously connecting the trajectories of the same vehicle across multiple camera environments. In particular, blind spots occur due to the intervals between CCTVs and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Yujin Roh , Inho Jake Park , Chigon Hwang

The lane-level localization accuracy is very important for autonomous vehicles. The Global Navigation Satellite System (GNSS), e.g. GPS, is a generic localization method for vehicles, but is vulnerable to the multi-path interference in the…

Computer Vision and Pattern Recognition · Computer Science 2018-08-24 Iljoo Baek , Mengwen He

Classifying time series data using neural networks is a challenging problem when the length of the data varies. Video object trajectories, which are key to many of the visual surveillance applications, are often found to be of varying…

Computer Vision and Pattern Recognition · Computer Science 2018-12-19 Santhosh Kelathodi Kumaran , Debi Prosad Dogra , Partha Pratim Roy , Adway Mitra

Numerous Deep Learning and sensor-based models have been developed to detect potential accidents with an autonomous vehicle. However, a self-driving car needs to be able to detect accidents between other vehicles in its path and take…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Dhananjai Chand , Savyasachi Gupta , Ilaiah Kavati

Calibration of sensors is fundamental to robust performance for intelligent vehicles. In natural environments, disturbances can easily challenge calibration. One possibility is to use natural objects of known shape to recalibrate sensors.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-22 Yunhai Han , Yuhan Liu , David Paz , Henrik Christensen

Real-time traffic light recognition is essential for autonomous driving. Yet, a cohesive overview of the underlying model architectures for this task is currently missing. In this work, we conduct a comprehensive survey and analysis of…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Svetlana Pavlitska , Nico Lambing , Ashok Kumar Bangaru , J. Marius Zöllner

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

In this paper, we present an accurate approach to estimate vehicles' pose and shape from off-board multiview images. The images are taken by monocular cameras and have small overlaps. We utilize state-of-the-art convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2018-11-13 Wenhao Ding , Shuaijun Li , Guilin Zhang , Xiangyu Lei , Huihuan Qian

This paper proposes a new method, that we call VisualBackProp, for visualizing which sets of pixels of the input image contribute most to the predictions made by the convolutional neural network (CNN). The method heavily hinges on exploring…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Mariusz Bojarski , Anna Choromanska , Krzysztof Choromanski , Bernhard Firner , Larry Jackel , Urs Muller , Karol Zieba

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

Multispectral methods have gained considerable attention due to their promising performance across various fields. However, most existing methods cannot effectively utilize information from two modalities while optimizing time efficiency.…

Computer Vision and Pattern Recognition · Computer Science 2023-05-23 Chenhang Cui , Jinyu Xie , Yechenhao Yang

Abnormal driving behaviour is one of the leading cause of terrible traffic accidents endangering human life. Therefore, study on driving behaviour surveillance has become essential to traffic security and public management. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Yaocong Hu , MingQi Lu , Xiaobo Lu

Video monitoring of traffic is useful for traffic management and control, traffic counting, and traffic law enforcement. However, traffic monitoring during inclement weather such as rain is a challenging task because video quality is…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Shuya Zong , Sikai Chen , Samuel Labi

Accurately calibrating light field camera is essential to its applications. Rapid progress has been made in this area in the past decades. In this paper, detailed analysis was first performed towards the state of the art projection models…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Dongyang Jin , Saiping Zhang , Xiao Huo , Wei Zhang , Fuzheng Yang

Thermal images are mainly used to detect the presence of people at night or in bad lighting conditions, but perform poorly at daytime. To solve this problem, most state-of-the-art techniques employ a fusion network that uses features from…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Debasmita Ghose , Shasvat Mukeshkumar Desai , Sneha Bhattacharya , Deep Chakraborty , Madalina Fiterau , Tauhidur Rahman

We propose a robust method for estimating road curb 3D parameters (size, location, orientation) using a calibrated monocular camera equipped with a fisheye lens. Automatic curb detection and localization is particularly important in the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Stanislav Panev , Francisco Vicente , Fernando De la Torre , Véronique Prinet