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      Computer-aided tumor detection in endoscopic video using color wavelet features

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          Texture classification and segmentation using wavelet frames.

           M. Unser (1995)
          This paper describes a new approach to the characterization of texture properties at multiple scales using the wavelet transform. The analysis uses an overcomplete wavelet decomposition, which yields a description that is translation invariant. It is shown that this representation constitutes a tight frame of l(2) and that it has a fast iterative algorithm. A texture is characterized by a set of channel variances estimated at the output of the corresponding filter bank. Classification experiments with l(2) Brodatz textures indicate that the discrete wavelet frame (DWF) approach is superior to a standard (critically sampled) wavelet transform feature extraction. These results also suggest that this approach should perform better than most traditional single resolution techniques (co-occurrences, local linear transform, and the like). A detailed comparison of the classification performance of various orthogonal and biorthogonal wavelet transforms is also provided. Finally, the DWF feature extraction technique is incorporated into a simple multicomponent texture segmentation algorithm, and some illustrative examples are presented.
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            Psychological Science Can Improve Diagnostic Decisions.

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              Cancer statistics, 1997

               P A Wingo,  S Bolden,  T. Tong (1997)
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                Author and article information

                Journal
                IEEE Transactions on Information Technology in Biomedicine
                IEEE Trans. Inform. Technol. Biomed.
                Institute of Electrical and Electronics Engineers (IEEE)
                1089-7771
                September 2003
                September 2003
                : 7
                : 3
                : 141-152
                Article
                10.1109/TITB.2003.813794
                © 2003
                Product

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