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An Alternative Solution to the Non-Uniform Noise Propagation Problem in Fan-Beam FBP Image Reconstruction
It has been observed that the variances in reconstructed images from stationary noisy projection data by fan-beam filtered backprojection (fFBP) algorithm with ramp in the filtering step and linear interpolation in the backprojection step are non-uniform across the field-of-view. This is believed to...
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| Main Authors: | , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2005
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC1379631/ https://ncbi.nlm.nih.gov/pubmed/16372414 |
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