Generative adversarial network-based attenuation correction for 99mTc-TRODAT-1 brain SPECT [PDF]
Frontiers in Medicine, 2023 BackgroundAttenuation correction (AC) is an important correction method to improve the quantification accuracy of dopamine transporter (DAT) single photon emission computed tomography (SPECT).
Yu Du +9 more
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Validation of deep-learning-based MRI-to-CT attenuation correction for striatal and extrastriatal [123I]I-FP-CIT SPECT measurement [PDF]
NeuroImage: ClinicalPurpose: Attenuation correction is critical for accurate SPECT brain imaging and to quantify uptake ratios in neurological and psychiatric disorders. This prospective study aimed to validate the use of deep-learning-based magnetic resonance to synthetic ...
Sebastian Kalytta +10 more
doaj +2 more sources
A review of PET attenuation correction methods for PET-MR [PDF]
EJNMMI Physics, 2023 Despite being thirteen years since the installation of the first PET-MR system, the scanners constitute a very small proportion of the total hybrid PET systems installed.
Georgios Krokos +3 more
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The Impact of Attenuation Correction on Positron Emission Tomography/Computed Tomography and Positron Emission Tomography/Magnetic Resonance Image Quality: A Phantom Study [PDF]
Journal of Medical PhysicsObjective: The quality of positron emission tomography/computed tomography (PET/CT) and PET/magnetic resonance (MR) images is a critical factor affecting the diagnostic reliability of clinical studies.
Yagmur Idil Ulusoy +2 more
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Importance of Attenuation Correction (AC) for Small Animal PET Imaging
Diagnostics, 2012 The purpose of this study was to investigate whether a correction for annihilation photon attenuation in small objects such as mice is necessary. The attenuation recovery for specific organs and subcutaneous tumors was investigated.
Henrik H. El Ali +4 more
doaj +3 more sources
Frontiers in Physics, 2020 In this review, we will summarize the past and current state-of-the-art developments in attenuation and scatter correction approaches for hybrid positron emission tomography (PET) and magnetic resonance (MR) imaging.
Jarmo Teuho +12 more
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CT-Based Attenuation Correction Algorithm for Quantitative L-Shell X-Ray Fluorescence Imaging of Gold Nanoparticles in Murine Tumor Tissues [PDF]
DiseasesBackground: Gold nanoparticles (GNPs) are widely used in nanomedicine as drug carriers, including in targeted radionuclide therapy where therapeutic radionuclides are bound to GNPs. Quantitative assessment of their biodistribution is essential.
Marin Lohff +9 more
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Investigation of Attenuation Correction Methods for Dual-Gated Single Photon Emission Computed Tomography (DG-SPECT) [PDF]
BioengineeringBackground: Cardiac-respiratory dual gating in SPECT (DG-SPECT) is an emergent technique for alleviating motion blurring artifacts in myocardial perfusion imaging (MPI) due to both cardiac and respiratory motions.
Noor M. Rasel +5 more
doaj +2 more sources
Remote Sensing, 2023 X-band dual-polarization phased-array weather radars (X-PARs) have been used in South China extensively. Eliminating the attenuation and system bias of X-band radar data is the key to utilizing the advantage of X-PAR networks.
Fei Geng, Liping Liu
doaj +1 more source
A reflectivity factor correction algorithm for X-band phased array radars
暴雨灾害, 2023 The difference between reflectivity factors observed by different radars observing the same target affects the performance of the multi-radar mosaic. For X-band radars without beam blocking, this difference is mainly caused by calibration deviation and ...
Lefu YU +3 more
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