Structure Analysis Based Parking Slot Marking Recognition for Semi-automatic Parking System

  • Ho Gi Jung
  • Dong Suk Kim
  • Pal Joo Yoon
  • Jaihie Kim
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4109)

Abstract

Semi-automatic parking system is a driver convenience system automating steering control required during parking operation. This paper proposes novel monocular-vision based target parking-slot recognition by recognizing parking-slot markings when driver designates a seed-point inside the target parking-slot with touch screen. Proposed method compensates the distortion of fisheye lens and constructs a bird’s eye view image using homography. Because adjacent vehicles are projected along the outward direction from camera in the bird’s eye view image, if marking line-segment distinguishing parking-slots from roadway and front-ends of marking line-segments dividing parking-slots are observed, proposed method successfully recognizes the target parking-slot marking. Directional intensity gradient, utilizing the width of marking line-segment and the direction of seed-point with respect to camera position as a prior knowledge, can detect marking line-segments irrespective of noise and illumination variation. Making efficient use of the structure of parking-slot markings in the bird’s eye view image, proposed method simply recognizes the target parking-slot marking. It is validated by experiments that proposed method can successfully recognize target parking-slot under various situations and illumination conditions.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Ho Gi Jung
    • 1
    • 2
  • Dong Suk Kim
    • 1
  • Pal Joo Yoon
    • 1
  • Jaihie Kim
    • 2
  1. 1.Advanced Electronic System TeamMANDO Corporation Central R&D CenterKyonggi-DoRepublic of Korea
  2. 2.School of Electrical and Electronic EngineeringYonsei UniversitySeoulRepublic of Korea

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