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Article Dans Une Revue IEEE Transactions on Image Processing Année : 2002

Multiresolution reconstruction in fan-beam tomography

Résumé

In this paper, a new multiresolution reconstruction approach for fan-beam tomography is established. The theoretical development assumes radial wavelets. An approximate reconstruction formula based on a near-radial quincunx multiresolution scheme is proposed. This multiresolution algorithm allows to compute both the quincunx approximation and detail coefficients of an image from its fan-beam projections. Simulations on mathematical phantoms show that wavelet decomposition is acceptable for small beam angles but deteriorates at high angles. The main applications of the method are denoising and wavelet-based image analysis.
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hal-02009702 , version 1 (06-02-2019)

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Stephane Bonnet, F. Peyrin, F. Turjman, R. Prost. Multiresolution reconstruction in fan-beam tomography. IEEE Transactions on Image Processing, 2002, 11 (3), pp.169-176. ⟨10.1109/83.988951⟩. ⟨hal-02009702⟩
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