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Erschienen in:
2003 | OriginalPaper | Buchkapitel
Edge and Junction Detection with an Improved Structure Tensor
verfasst von : Ullrich Köthe
Erschienen in: Pattern Recognition
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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We describe three modifications to the structure tensor approach to low-level feature extraction. We first show that the structure tensor must be represented at a higher resolution than the original image. Second, we propose a non-linear filter for structure tensor computation that avoids undesirable blurring. Third, we introduce a method to simultaneously extract edge and junction information. Examples demonstrate significant improvements in the quality of the extracted features.