Affiliation:
1. Faculty of Mechanical Engineering, Brno University of Technology, Brno, Czech Republic
2. Faculty of Electrical Engineering and Informatics, University of Pardubice, Pardubice, Czech Republic
Abstract
Counting of passengers entering and exiting means of transport is one of the basic functionalities of passenger flow monitoring systems. Exact numbers of passengers are important in areas such as public transport surveillance, passenger flow prediction, transport planning, and transport vehicle load monitoring. To allow mass utilization of passenger flow monitoring systems, their cost must be low. As the overall price is mainly given by prices of the used sensor and processing unit, we propose the utilization of a visible spectrum camera and data processing algorithms of low time complexity to ensure a low price of the final product. To guarantee the anonymity of passengers, we suggest orthogonal scanning of a scene. As the precision of the counting is relevantly influenced by the precision of passenger recognition, we focus on the development of an appropriate recognition method. We present two opposite approaches which can be used for the passenger recognition in means of transport with and without entrance steps, or with split level flooring. The first approach is the utilization of an appropriate convolutional neural network (ConvNet), which is currently the prevailing approach in computer vision. The second approach is the utilization of histograms of oriented gradients (HOG) features in combination with a support vector machine classifier. This approach is a representative of classical methods. We study both approaches in terms of practical applications, where real-time processing of data is one of the basic assumptions. Specifically, we examine classification performance and time complexity of the approaches for various topologies and settings, respectively. For this purpose, we form and make publicly available a large-scale, class-balanced dataset of labelled RGB images. We demonstrate that, compared to ConvNets, the HOG-based passenger recognition is more suitable for practical applications. For an appropriate setting, it defeats the ConvNets in terms of time complexity while keeping excellent classification performance. To allow verification of theoretical findings, we construct an engineering prototype of the system.
Funder
European Regional Development Fund
Subject
Strategy and Management,Computer Science Applications,Mechanical Engineering,Economics and Econometrics,Automotive Engineering
Reference48 articles.
1. Empirical study on the accuracy and precision of automatic passenger counting in european bus services;A. Olivo;Open Transportation Journal,2020
2. Validation of automatic passenger counting: introducing the T-test-induced equivalence test;M. Siebert;Transportation,2019
3. Bi-Directional Passing People Counting System Based on IR-UWB Radar Sensors
4. SVM based people counting method in the corridor scene using a single-layer laser scanner;Z. Chen
5. Development of a person counting system using a 3D laser scanner;S. Akamatsu
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