Date of Original Version

9-2012

Type

Conference Proceeding

Published In

Proceedings of the 15th IEEE Intelligent Transportation Systems Conference 2012, September, 2012.

Abstract or Table of Contents

This paper addresses the problem of reliably detecting parking spots in semi-filled parking lots using onboard laser line scanners. In order to identify parking spots, one needs to detect parked vehicles and interpret the parking environment. Our approach uses a supervised learning technique to achieve vehicle detection by identifying vehicle bumpers from laser range scans. In particular, we use AdaBoost to train a classifier based on relevant geometric features of data segments that correspond to car bumpers. Using the detected bumpers as landmarks of vehicle hypotheses, our algorithm constructs a topological graph representing the structure of the parking space. Spatial analysis is then performed on the topological graph to identify potential parking spots. Algorithm performance is evaluated through a series of experimental tests.

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