Multiresolution analysis using wavelet, ridgelet, and curvelet transforms for medical image segmentation.

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2011
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Abstract
The experimental study presented in this paper is aimed at the development of an automatic image segmentation system for classifying region of interest (ROI) in medical images which are obtained from different medical scanners such as PET, CT, or MRI. Multiresolution analysis (MRA) using wavelet, ridgelet, and curvelet transforms has been used in the proposed segmentation system. It is particularly a challenging task to classify cancers in human organs in scanners output using shape or gray-level information; organs shape changes throw different slices in medical stack and the gray-level intensity overlap in soft tissues. Curvelet transform is a new extension of wavelet and ridgelet transforms which aims to deal with interesting phenomena occurring along curves. Curvelet transforms has been tested on medical data sets, and results are compared with those obtained from the other transforms. Tests indicate that using curvelet significantly improves the classification of abnormal tissues in the scans and reduce the surrounding noise.
Reference Key
alzubi2011multiresolutioninternational Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Alzubi, Shadi;Islam, Naveed;Abbod, Maysam;
Journal international journal of biomedical imaging
Year 2011
DOI
10.1155/2011/136034
URL
Keywords
dose egsnrc roi attenuator forward scatter gafchromic film point spread function

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