On the Diagnostic of Road Pathway Visibility

01/21/2016
by   Pierre Charbonnier, et al.
0

Visibility distance on the road pathway plays a significant role in road safety and in particular, has a clear impact on the choice of speed limits. Visibility distance is thus of importance for road engineers and authorities. While visibility distance criteria are routinely taken into account in road design, only a few systems exist for estimating it on existing road networks. Most existing systems comprise a target vehicle followed at a constant distance by an observer vehicle, which only allows to check if a given, fixed visibility distance is available. We propose two new approaches that allow estimating the maximum available visibility distance, involving only one vehicle and based on different sensor technologies, namely binocular stereovision and 3D range sensing (LIDAR). The first approach is based on the processing of two views taken by digital cameras onboard the diagnostic vehicle. The main stages of the process are: road segmentation, edge registration between the two views, road profile 3D reconstruction and finally, maximal road visibility distance estimation. The second approach involves the use of a Terrestrial LIDAR Mobile Mapping System. The triangulated 3D model of the road and its surroundings provided by the system is used to simulate targets at different distances, which allows estimating the maximum geometric visibility distance along the pathway. These approaches were developed in the context of the SARI-VIZIR PREDIT project. Both approaches are described, evaluated and compared. Their pros and cons with respect to vehicle following systems are also discussed.

READ FULL TEXT

page 2

page 3

page 5

page 6

research
04/01/2021

Improved and efficient inter-vehicle distance estimation using road gradients of both ego and target vehicles

In advanced driver assistant systems and autonomous driving, it is cruci...
research
01/15/2021

Vision-based Vehicle Speed Estimation for ITS: A Survey

The need to accurately estimate the speed of road vehicles is becoming i...
research
11/07/2017

Real-Time Road Segmentation Using LiDAR Data Processing on an FPGA

This paper presents the FPGA design of a convolutional neural network (C...
research
11/02/2022

Road Markings Segmentation from LIDAR Point Clouds using Reflectivity Information

Lane detection algorithms are crucial for the development of autonomous ...
research
09/17/2020

SYSTEM AND METHOD FOR PROVIDING CONTEXT AWARE ROAD-USER IMPORTANCE ESTIMATION

A system and method for providing context-aware road user importance est...
research
12/23/2020

Low-latency Perception in Off-Road Dynamical Low Visibility Environments

This work proposes a perception system for autonomous vehicles and advan...
research
11/11/2022

Sensor Visibility Estimation: Metrics and Methods for Systematic Performance Evaluation and Improvement

Sensor visibility is crucial for safety-critical applications in automot...

Please sign up or login with your details

Forgot password? Click here to reset