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spec: The particular topics to be discussed will include techniques of image segmentation , regularization methods based on minimization of total variation and other norms of the signal and derivatives , locally adaptive methods , Gaussian approximation of spatial models , Gaussian mixture models , texture modelling using Markov random fields , scale-space techniques in the area of medical imaging , wavelet and spline methods , methods for linear and non-linear inverse problems , diffusion methods , template based pattern identification , Bayesian techniques using MCMC , point and object processes . The September 11 terror attacks , succeeding anthrax hysteria , and war fever following the Bush administration military intervention in Afghanistan created a situation of unparalleled media and popular support for the Bush presidency and elevated Bush into a top-tier celebrity , almost immune from criticism .