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Full-automatic recognition of various parking slot markings using a hierarchical tree structure

Title
Full-automatic recognition of various parking slot markings using a hierarchical tree structure
Author
정호기
Keywords
driver assist system; parking assist system; parking slot marking recognition; hierarchical tree structure
Issue Date
2013-03
Publisher
SPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERS, 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98225 USA
Citation
Optical Engineering , 52(3), 037203
Abstract
A full-automatic method for recognizing parking slot markings is proposed. The proposed method recognizes various types of parking slot markings by modeling them as a hierarchical tree structure. This method mainly consists of two processes: bottom-up and top-down. First, the bottom-up process climbs up the hierarchical tree structure to excessively generate parking slot candidates so as not to lose the correct slots. This process includes corner detection, junction and slot generation, and type selection procedures. After that, the top-down process confirms the final parking slots by eliminating falsely generated slots, junctions, and corners based on the properties of the parking slot marking type by climbing down the hierarchical tree structure. The proposed method was evaluated in 608 real-world parking situations encompassing a variety of different parking slot markings. The experimental result reveals that the proposed method outperforms the previous semiautomatic method while requiring a small amount of computational costs even though it is fully automatic.
URI
https://www.spiedigitallibrary.org/journals/Optical-Engineering/volume-52/issue-3/037203/Full-automatic-recognition-of-various-parking-slot-markings-using-a/10.1117/1.OE.52.3.037203.short?SSO=1https://repository.hanyang.ac.kr/handle/20.500.11754/73090
ISSN
0091-3286
DOI
10.1117/1.OE.52.3.037203
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > AUTOMOTIVE ENGINEERING(미래자동차공학과) > Articles
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