期刊
SIGNAL PROCESSING
卷 93, 期 10, 页码 2828-2837出版社
ELSEVIER
DOI: 10.1016/j.sigpro.2012.06.029
关键词
Breast cancer; Microscopic FNAC image; Complex wavelet transform; Texture analysis; Multivariate classifier
Breast cancer is the most frequent cause of cancer induced death among women in the world. Diagnosis of this cancer can be done through radiological, surgical, and pathological assessments of breast tissue samples. A common test for detection of this cancer involves visual microscopic inspection of Fine Needle Aspiration Cytology (FNAC) samples of breast tissue. The result of analysis on this sample by a cytopathologist is crucial for the breast cancer patient. For the assessment of malignancy, the chromatin texture patterns of the cell nuclei are essential. Wavelet transforms have been shown to be good tools for extracting information about texture. In this paper, it has been investigated whether complex wavelets can provide better performance than the more common real valued wavelet transform. The features extracted through the wavelets are used as input to a k-nn classifier. The correct classification results are obtained as 93.9% for the complex wavelets and 70.3% for the real wavelets. (C) 2012 Elsevier B.V. All rights reserved.
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