Bicycle Counter

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Minnesota Department of Transportation, Office of Research & Strategic Services, 2000 - Automatic data collection systems - 23 pages
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This report describes a system for monitoring bicycle activity in sequences of gray scale images from a stationary camera. Applications for such a system include determining the use and congestion of bicycle paths. The output of the system is a count of the number of bicycles detected in the image sequence. The system uses a simple model of two circular objects separated by relatively known distance, with four levels of abstraction: raw images, blobs, edge images, and the bicycle model. The system was implemented on a dual Pentium computer equipped with a Matrox imaging board and achieved a peak performance of eight frames per second. Experimental results based on outdoor scenes show promising results for a variety of weather conditions.

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Contents

INTRODUCTION
1
GENERIC OBJECT TRACKING
7
HARDWARE FOR VISIONBASED DETECTION
17

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