Abstract

Since global road traffic is steadily increasing, the need for intelligent traffic management and observation systems is becoming an important and critical aspect of modern traffic analysis. In this paper, we cover the development and evaluation of a traffic measurement system for tracking, counting and classifying different vehicle types based on real-time input data from ordinary highway cameras by using a hybrid approach including computer vision and machine learning techniques. Moreover, due to the relatively low framerate of such cameras, we also present a prediction model to estimate driving paths based on previous detections. We evaluate the proposed system with respect to different real-life road situations including highway-, toll station- and bridge-cameras and manage to keep the error rate of lost vehicles under 10%.

Highlights

  • To develop a suitable traffic management or surveillance system the current traffic on the road in a specific area has to be identified and measured respectively

  • To develop a camera-based traffic measurement system which is capable of tracking, counting and classification of different vehicle types, a computer system has to analyze video frames using common computer vision and machine learning techniques in a hybrid application

  • After establishing a background model each input frame is subtracted by the static background model

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Summary

Introduction

To develop a suitable traffic management or surveillance system the current traffic on the road in a specific area has to be identified and measured respectively. To develop a camera-based traffic measurement system which is capable of tracking, counting and classification of different vehicle types, a computer system has to analyze video frames using common computer vision and machine learning techniques in a hybrid application. Sci. 2020, 10, 6270 centralized computer system It allows changes between common traffic hotspots in seconds by switching the input stream to another camera. The success of such a system mainly depends on five identified factors following the approach of using remote cameras:. A prediction model is established to enrich the raw video data with additional information It tries to find associations between the current and past detected vehicles in order to derive driving paths. A final conclusion and remarks about the system are given in the last section in order to provide a base for discussion, further research and future system revisions

Thresholding
Edge Detection
Background Substraction
Template Matching
Statistical Pattern Recognition
Exhaustive Search
Mean Shift and Camshift
Dense Optical Flow
Feature Based Trackers
Machine Learning Model
System Overview
Workflows
Configuration and Input Feed
Detection and Classification
Prediction Modelling
Tracking System
Counting
Evaluation and Limitations
Video Data
Counting Results
Traffic Approaching a Toll Station
Traffic on a Bridge
Traffic on A Highway
Additional Limitations
Conclusions and Future Work
Full Text
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