2006
DOI: 10.1016/j.bspc.2006.12.001
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A Slantlet transform based intelligent system for magnetic resonance brain image classification

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Cited by 106 publications
(68 citation statements)
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“…DWT and its variants were used extensively by various researchers for feature extraction in MR brain image classification [12][13][14][15][16][17][18]. But the problem with DWT is that it is inherently non-supportive to directionality and anisotropy.…”
Section: Ripplet Transform Type-i (Rt)mentioning
confidence: 99%
See 1 more Smart Citation
“…DWT and its variants were used extensively by various researchers for feature extraction in MR brain image classification [12][13][14][15][16][17][18]. But the problem with DWT is that it is inherently non-supportive to directionality and anisotropy.…”
Section: Ripplet Transform Type-i (Rt)mentioning
confidence: 99%
“…They have used discrete wavelet transform (DWT) for feature extraction [13]. In [14], Maitra and Chatterjee have shown that Slantlet transform can be combined with supervised classification (back-propagation neural network (BPNN)) technique to achieve 100% classification accuracy. Principal component analysis (PCA) is used to reduce the dimension of the feature vector obtained through DWT in [15] by El-Dahshan et al They have achieved 97% and 98% successrates through feed-forward BPNN and k-nearest neighbor (kNN) classifiers, respectively.…”
Section: Introductionmentioning
confidence: 99%
“…To improve the efficiency of a classifier, the master features in the MRI image is needed to be identified properly. In recent literature [6,[14][15][16][17][18][19][20][21][22][24][25][26][27], there are many different algorithms (such as DWT and Ripplet transform) used to extract the main features of the images. DWT has some advantages over RT, being less computationally complex and also due to the characteristics of brain MRIs.…”
Section: Master Feature Extractionmentioning
confidence: 99%
“…Chaplot et al [5] used the approximation coefficients obtained by discrete wavelet transform (DWT), and employed the self-organizing map (SOM) neural network and support vector machine (SVM). Maitra and Chatterjee [6] employed the Slantlet transform, which is an improved version of DWT. Their feature vector of each image is created by considering the magnitudes of Slantlet transform outputs corresponding to six spatial positions chosen according to a specific logic.…”
Section: Existing Pathological Brain Detection Systemsmentioning
confidence: 99%