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@Article { 201-1604,
   title = {Tomographic reconstruction of tokamak plasma light emission from single image using wavelet-vaguelette decomposition},
   journal = {Nucl. Fusion},
   year = {2012},
   volume = {52},
   pages = {013005 (11 pages)},
   abstract = {Images acquired by cameras installed in tokamaks are difficult to interpret because the three-dimensional structure of the plasma is flattened in a non-trivial way. Nevertheless, taking advantage of the slow variation of the fluctuations along magnetic field lines, the optical transformation may be approximated by a generalized Abel transform, for which we propose an inversion technique based on the wavelet-vaguelette decomposition. After validation of the new method using an academic test case and numerical data obtained with the Tokam 2D code, we present an application to an experimental movie obtained in the tokamak Tore Supra. A comparison with a classical regularization technique for ill-posed inverse problems, the singular value decomposition, allows us to assess the efficiency. The superiority of the wavelet-vaguelette technique is reflected in preserving local features, such as blobs and fronts, in the denoised emissivity map.},
   note = {D{\'e}partement CP2S : Exp{\'e}riences et Simulations des Plasmas R{\'e}actifs - Interaction plasma-surface et Traitement des Surfaces ESPRITS},
   author = {yen, R. Nguyen van and Fedorczak, N. and Brochard, F. and Bonhomme, G. and Schneider, K. and Farge, M. and Garbet, P. Monier-}
}