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Generating rotation-invariant texture features by randomization of operator orientation

: Pannekamp, J.; Westkämper, E.

Michaelis, B. ; Deutsche Arbeitsgemeinschaft für Mustererkennung -DAGM-:
Pattern recognition : Magdeburg, Germany, September 10 - 12, 2003. Proceedings, 25th DAGM Symposium
Berlin: Springer, 2003 (Lecture Notes in Computer Science 2781)
ISBN: 3-540-40861-4
ISSN: 0302-9743
Deutsche Arbeitsgemeinschaft für Mustererkennung (Symposium) <25, 2003, Magdeburg>
Conference Paper
Fraunhofer IPA ()
Random; texture; pattern recognition; Bildverarbeitung

Rotation-invariant texture features are generated by randomizing the orientation of the underlying texture operators. The approach is applied to texture features based on local binary patterns as well as to sum and difference histograms. Results are given for a difficult classification problem of 15 different Brodatz textures and 7 rotation angles. Due to randomamization, the error rate becomes independet of the texture orientation. Moreover, the classification of periodic textures is enhanced significantly.