23 February 2010 Tissue classification by wavelet modified generic Fourier descriptor and their recognition using hybrid correlator
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Abstract
Segmentation in Magnetic resonance imaging (MRI) images is a widely studied problem, and techniques (supervised and unsupervised) are discussed in the literature. The basic approaches to image segmentation are based upon: (a) boundary representation, (b) regional characteristics and (c) a combination of boundary and region-based features. In this paper, we report classification of brain tissue based objects employing one of combination of boundary and region-based features as wavelet modified generic Fourier descriptor (WGFD) technique. This technique have been applied to a database consisting of 3 different class's tissues, each class consist of 50 shapes. The Euclidean distance has been calculated as a similarity measure parameter for tissue shape classification. The classification results have been carried out and it is inferred that WGFD performs for brain tissue classification. For brain tissue recognition, a simulation experiment employing hybrid correlator architecture has been carried out. We have used Wavelet modified maximum average correlation hight (MACH) filter for hybrid correlator. Mexican-hat wavelet has used to synthesize the wavelet MACH filter for simulation experiment.
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Raj Bahadur Yadav, Raj Bahadur Yadav, Arun K. Gupta, Arun K. Gupta, } "Tissue classification by wavelet modified generic Fourier descriptor and their recognition using hybrid correlator", Proc. SPIE 7564, Photons Plus Ultrasound: Imaging and Sensing 2010, 75642R (23 February 2010); doi: 10.1117/12.841570; https://doi.org/10.1117/12.841570
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