期刊
JOURNAL OF VISUAL COMMUNICATION AND IMAGE REPRESENTATION
卷 21, 期 1, 页码 29-32出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jvcir.2009.09.010
关键词
Correlation analysis; Radon transform; Rotation invariance; Texture analysis; Orientation estimation
资金
- Natural Science Foundation of Shaanxi Province, China [2009JM8003]
- National Natural Science Foundation of China [90204012]
- National High-Tech Research and Development Plan of China [2002AA143021]
Some recent rotation invariant texture analysis approaches such as multiresolution approaches yield high correct classification percentages, but present insufficient noise tolerance. This paper describes a new method for rotation invariant texture analysis. In the proposed method, Radon transform is utilized to project a texture image onto projection space to convert a rotation of the original texture image to a translation of the projection in the angle variable, and then Radon projection correlation distance is introduced. A k-nearest neighbors' classifier with Radon projection correlation distances is employed to implement texture classification and orientation estimation. Theoretical and experimental results show the high classification accuracy of this approach as a result of using the Radon projection correlation distance instead of repetitious usage of discrete transforms. It is also shown that the proposed method presents high noise tolerance and yields high accuracy in orientation estimation in comparison with Khouzani's method. (C) 2009 Elsevier Inc. All rights reserved.
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