Autonomous vehicles and modern Advanced Driver Assistance Systems require a module for detecting parking lot markings, in order to locate free parking slots and to assist the driver with the parking maneuver or to entirely accomplish it. Equipping those systems with multiple fisheye cameras is a common design solution, since fisheye sensors provide a wide field of view at a cost and size comparable with rectilinear cameras. Unfortunately, a straight line in the world corresponds to a segment of conic section in fisheye images, hence the detection of parking lot markings have to deal with non trivial problems. This paper proposes a method that implements the Progressive Probabilistic Hough Transform in the space obtained from the reprojection of the fisheye image points in the equivalence sphere. The presented solution allows to identify road marking segments directly on the fisheye image, providing long range accuracy un-like typical bird's-eye view based approaches. A simple parking slots detector based on the detected road markings has been developed in order to verify the feasibility of such a system. Finally, the intrinsic iterative nature of the proposed algorithm makes it suitable for real-time computation, as required by automotive scenarios.


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    Titel :

    Parking slots detection on the equivalence sphere with a progressive probabilistic hough transform


    Beteiligte:


    Erscheinungsdatum :

    01.10.2017


    Format / Umfang :

    966670 byte





    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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