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Comer Detection of Parking Lot Using Multiple Echo Ultrasonic  

Kim, Byung-Sung (Department of Electronic Engineering, Sogang Univiersity)
Park, Wan-Joo (Department of Electronic Engineering, Sogang Univiersity)
Seo, Dong-Eun (Department of Electronic Engineering, Sogang Univiersity)
Lee, Kwae-Hi (Department of Electronic Engineering, Sogang Univiersity)
Kim, Dong-Suk (Mando Central R&D Center)
Publication Information
Transactions of the Korean Society of Automotive Engineers / v.16, no.2, 2008 , pp. 66-73 More about this Journal
Abstract
In this paper, ultrasonic range system which detects parking lot in parking area is studied. The important part for detecting parking lot accurately is to detect the first and second corners of possible parking lot, and for that, new method using multiple echo function is introduced in this paper. Many probabilistic methods have been used to reduce uncertainties of ultrasonic sensor for distance and location of objects. Method using multiple echo, however, gives accurates results as well as simple algorithm. For experiments in parking space, ultrasonic range system was attached to a Pioneer AT-2 and final parking space map was created in a fusion with position information from wheels of a Pioneer AT-2. We will show the results are compared with error of another methods.
Keywords
Multiple echo; Ultrasonic; Parking lot; Corner detection; Map generation;
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