Limited angle CT reconstruction by simultaneous spatial and Radon domain regularization based on TV and data-driven tight frame
W Zhang, H Zhang, L Wang, A Cai, L Li… - Nuclear Instruments and …, 2018 - Elsevier
Limited angle computed tomography (CT) reconstruction is widely performed in medical
diagnosis and industrial testing because of the size of objects, engine/armor inspection …
diagnosis and industrial testing because of the size of objects, engine/armor inspection …
Noise reduction in small-animal PET images using a multiresolution transform
JM Mejia, HJO Domínguez… - IEEE transactions on …, 2014 - ieeexplore.ieee.org
In this paper, we address the problem of denoising reconstructed small animal positron
emission tomography (PET) images, based on a multiresolution approach which can be …
emission tomography (PET) images, based on a multiresolution approach which can be …
Scanner-dependent threshold estimation of wavelet denoising for small-animal PET
J Zhao, JS Lee, H Xu, K Xu, ZH Ren… - … on Nuclear Science, 2016 - ieeexplore.ieee.org
Reducing the noise associated with small-animal positron emission tomography (PET)
images is an important and challenging task. Recently, several hybrid denoising techniques …
images is an important and challenging task. Recently, several hybrid denoising techniques …
Denoising of high resolution small animal 3D PET data using the non-subsampled Haar wavelet transform
PET allows functional imaging of the living tissue. However, one of the most serious
technical problems affecting the reconstructed data is the noise, particularly in images of …
technical problems affecting the reconstructed data is the noise, particularly in images of …
Denoising of PET Images using NSCT and Quasi-Robust Potentials
In this paper we present an algorithm for the denoising of small animal positron emission
images. The proposed algorithm combines a multiresolution transform with robust filtering of …
images. The proposed algorithm combines a multiresolution transform with robust filtering of …
Wavelet-Based regularisation for background correction within the sub-millimeter 3d mlem list-mode reconstruction process for high resolution small animal pet data
LO Máynez, HO Domíngiuez… - 2011 IEEE Nuclear …, 2011 - ieeexplore.ieee.org
The measure data obtained from the acquiring PET system tend to be very noisy, since the
limitation of the current instrumentation, detector efficiency, as well as random and scatter …
limitation of the current instrumentation, detector efficiency, as well as random and scatter …
Wavelet-based regularization strategies within the 3D list-mode ML-EM reconstruction process, for high resolution small animal PET data
LO Máynez, HJO Domínguez… - 2013 IEEE Nuclear …, 2013 - ieeexplore.ieee.org
The measurements obtained from the acquiring PET system tend to be very noisy, since
randoms and scatter contamination events as well as detector efficiency are strong sources …
randoms and scatter contamination events as well as detector efficiency are strong sources …