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Detection of Ellipses by a Modified Hough Transformation

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2 Author(s)
Tsuji, S. ; Department of Electrical Engineering, Faculty of Engineering Science ; Matsumoto, F.

The Hough transformation can detect straight lines in an edge-enhanced picture, however its extension to recover ellipses requires too long a computing time. This correspondence proposes a modified method which utilizes two properties of an ellipse in such a way that it iteratively searches for clusters in two different parameter spaces to find almost complete ellipses, then evaluates their parameters by the least mean squares method.

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Computers, IEEE Transactions on  (Volume:C-27 ,  Issue: 8 )