An iterative virtual projection method to improve the reconstruction performance for ill-posed emission tomographic problems
Liu Hua-Wei, Zheng Shu, Zhou Huai-Chun†
An iterative virtual projection method to improve the reconstruction performance for ill-posed emission tomographic problems |
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Liu Hua-Wei, Zheng Shu, Zhou Huai-Chun†
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| Variations of reconstruction error for the TR method with iterative number ( α = 0.1, Case D). In each iteration, the regularization matrix is updated according to reconstruction results from the last iteration as expressed in Eq. ( 11 ). |
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