Robust Low-Dose CT Sinogram Preprocessing via Exploiting Noise-Generating Mechanism
作者： Qi Xie , Dong Zeng , Qian Zhao , Deyu Meng , Zongben Xu
关键词: Noise (electronics) 、 Algorithm 、 Medical imaging 、 Photon statistics 、 Maximum a posteriori estimation 、 Regularization (mathematics) 、 Tomography x ray computed 、 CT sinogram 、 Iterative reconstruction 、 Noise measurement 、 Computer vision 、 Computed tomography 、 Computer science 、 Signal-to-noise ratio 、 Artificial intelligence 、 Preprocessor
摘要: … as the difference matrix of Y, where the elements of Zh and Z … where F(X) is defined as a 2D Fourier transform on X (X is … 8 illustrates the normal vector flow (NVF) images [23] of the …
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