01555306

Component

This paper introduces the components, hardware and software, of a pedestrian counting system based on ultrasonic sensor technology. The proposed counting system is designed to collect data in different facilities such as sidewalks, trails, and building corridors. To evaluate the performance (accuracy) of the proposed system, manual video-based counting was obtained in different traffic conditions. In addition, the ultrasonic system was compared with an existing infrared-based sensor currently available in the market. The results show that the counting error of the ultrasonic sensor was typically between 0 to 15% for different traffic conditions. Correction error functions were also fitted which can help to improve counting accuracy. The comparative analysis between the ultrasonic and infrared systems indicates that the system performs better in situations with high pedestrian volumes. In particular, the sensor performance was tested on sidewalk placed in an open space because this situation presents a challenge for most infrared-based counting systems. The results show that the system is accurate in these conditions. The proposed system seems to have the potential for counting pedestrian in different facility types (including crosswalks), weather conditions and for counting cyclists in bicycle facilities.

This paper was sponsored by TRB committee ABJ35 Highway Traffic Monitoring.

01550057

15-5136

English

17p

2015

Transportation Research Board 94th Annual Meeting

Digital/other

Figures; References; Tables

Accuracy; Infrared detectors; Pedestrian counts; Sensors; Sidewalks; Testing; Ultrasonic detectors

Montreal, Canada

Data and Information Technology; Pedestrians and Bicyclists; I72: Traffic and Transport Planning

Transportation Research Board Annual Meeting 2015 Paper #15-5136

TRIS, TRB, ATRI

Dec 30 2014 1:43PM