期刊
COMPUTERS IN BIOLOGY AND MEDICINE
卷 37, 期 4, 页码 486-498出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.compbiomed.2006.08.002
关键词
multi-resolution analysis; texture classification; wavelets; ridgelets; curvelets; computed tomography
The research presented in this article is aimed at the development of an automated imaging system for classification of normal tissues in medical images obtained from computed tomography (CT) scans. This article focuses on comparing the discriminating power of several multi-resolution texture analysis techniques using wavelet, ridgelet, and curvelet-based texture descriptors. The approach consists of two steps: automatic extraction of the most discriminative texture features of regions of interest and creation of a classifier that automatically identifies the various tissues. The algorithms are extensively tested and results are compared with standard texture classification algorithms. Tests indicate that using curvelet-based texture features significantly improves the classification of normal tissues in CT scans. (c) 2006 Elsevier Ltd. All rights reserved.
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