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      A Vision Based Top-View Transformation Model for a Vehicle Parking Assistant

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          Abstract

          This paper proposes the Top-View Transformation Model for image coordinate transformation, which involves transforming a perspective projection image into its corresponding bird's eye vision. A fitting parameters searching algorithm estimates the parameters that are used to transform the coordinates from the source image. Using this approach, it is not necessary to provide any interior and exterior orientation parameters of the camera. The designed car parking assistant system can be installed at the rear end of the car, providing the driver with a clearer image of the area behind the car. The processing time can be reduced by storing and using the transformation matrix estimated from the first image frame for a sequence of video images. The transformation matrix can be stored as the Matrix Mapping Table, and loaded into the embedded platform to perform the transformation. Experimental results show that the proposed approaches can provide a clearer and more accurate bird's eye view to the vehicle driver.

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          Fast template matching

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            Eliminating Blind Spots for Assisted Driving

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              Bird’s-Eye View Vision System for Vehicle Surrounding Monitoring

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                Author and article information

                Journal
                Sensors (Basel)
                Sensors (Basel)
                Sensors (Basel, Switzerland)
                Molecular Diversity Preservation International (MDPI)
                1424-8220
                2012
                30 March 2012
                : 12
                : 4
                : 4431-4446
                Affiliations
                Department of Engineering Science, National Cheng Kung University Taiwan, No.1, University Road, Tainan City 701, Taiwan; E-Mail: mswang@ 123456mail.ncku.edu.tw
                Author notes
                [* ]Author to whom correspondence should be addressed; E-Mail: n9893106@ 123456mail.ncku.edu.tw ; Tel.: +886-9-2635-8765; Fax: +886-6-2766-549.
                Article
                sensors-12-04431
                10.3390/s120404431
                3355419
                22666038
                84d19bcc-33cc-4ed5-90b5-3b8797e8fc0f
                © 2012 by the authors; licensee MDPI, Basel, Switzerland.

                This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license ( http://creativecommons.org/licenses/by/3.0/).

                Categories
                Article

                Biomedical engineering

                bird's eye view, inverse perspective mapping, top-view transformation

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