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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Real-Time Adaptive Colour Segmentation for the RoboCup Middle Size League
verfasst von : Claudia Gönner, Martin Rous, Karl-Friedrich Kraiss
Erschienen in: RoboCup 2004: Robot Soccer World Cup VIII
Verlag: Springer Berlin Heidelberg
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In order to detect objects using colour information, the mapping from points in colour space to the most likely object must be known. This work proposes an adaptive colour calibration based on the Bayes Theorem and chrominance histograms. Furthermore the object’s shape is considered resulting in a more robust classification. A randomised hough transform is employed for the ball. The lines of the goals and flagposts are extracted by an orthogonal regression. Shape detection corrects over- and undersegmentations of the colour segmentation, thus enabling an update of the chrominance histograms. The entire algorithm, including a segmentation and a recalibration step, is robust enough to be used during a RoboCup game and runs in real-time.