Reconstruction of tomographic images from limited range projections using discrete Radon transform and Tchebichef moments

Abstract : This paper presents an image reconstruction method for X-ray tomography from limited range projections. It makes use of the discrete Radon transform and a set of discrete orthogonal Tchebichef polynomials to define the projection moments and the image moments. By establishing the relationship between these two sets of moments, we show how to estimate the unknown projections from known projections in order to improve the image reconstruction. Simulation results are provided in order to validate the method and to compare its performance with some existing algorithms.
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Xiubin Dai, Huazhong Shu, Limin Luo, Guo-Niu Han, Jean-Louis Coatrieux. Reconstruction of tomographic images from limited range projections using discrete Radon transform and Tchebichef moments. Pattern Recognition, Elsevier, 2010, 43 (3), pp.1152-1164. 〈10.1016/j.patcog.2009.07.009〉. 〈inserm-00421043〉

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