Technical Note: Rapid and high-resolution deep learning-based radiopharmaceutical imaging with 3D-CZT compton camera and sparse projection data.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15898
Abstract: BACKGROUND Compton camera has great potential in nuclear medicine imaging due to the high detection efficiency and the ability to simultaneously detect multi-energy radioactive sources. However, the finite resolution of the detectors will degrade the… read more here.
Keywords: compton; compton camera; radiopharmaceutical imaging; high resolution ... See more keywords
Angular distribution of multiple Compton scattered gamma rays of 662 keV in tin
Sign Up to like & getrecommendations! Published in 2019 at "Indian Journal of Physics"
DOI: 10.1007/s12648-019-01529-0
Abstract: In multiple Compton scattering, the incident gamma photon is scattered more than once due to finite dimensions of the sample. It serves as a noise for the exact evaluation of electron momentum distribution in Compton… read more here.
Keywords: multiple compton; angular distribution; compton; 662 kev ... See more keywords
Compton profiles of some composite materials normalized by a new method
Sign Up to like & getrecommendations! Published in 2018 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2017.12.001
Abstract: Abstract Recently, we have shown that as a novel approach, in the case of samples which can be treated as pure incoherent scatterers, the effective atomic number Z eff itself could be conveniently used to… read more here.
Keywords: profiles composite; compton profiles; incoherent scatterers; pure incoherent ... See more keywords
Electronic and optical properties of CaCl2 using Compton scattering and density functional theory
Sign Up to like & getrecommendations! Published in 2018 at "Radiation Physics and Chemistry"
DOI: 10.1016/j.radphyschem.2018.06.023
Abstract: Abstract In this paper electron momentum density of CaCl2 using 241Am Compton spectrometer is reported. The experimental Compton profile is compared with the corresponding theoretical profiles, computed using different exchange and correlation potentials within linear… read more here.
Keywords: cacl2 using; optical properties; electronic optical; density ... See more keywords
Multi-modal 3D imaging of radionuclides using multiple hybrid Compton cameras
Sign Up to like & getrecommendations! Published in 2022 at "Scientific Reports"
DOI: 10.1038/s41598-022-06401-6
Abstract: For radiological diagnosis and radionuclide therapy, X-ray and gamma-ray imaging technologies are essential. Single-photon emission tomography (SPECT) and positron emission tomography (PET) play essential roles in radiological diagnosis, such as the early detection of tumors.… read more here.
Keywords: mode targeting; multiple hybrid; using multiple; hybrid compton ... See more keywords
Reconstruction algorithm for 3D Compton scattering imaging with incomplete data
Sign Up to like & getrecommendations! Published in 2020 at "Inverse Problems in Science and Engineering"
DOI: 10.1080/17415977.2020.1815723
Abstract: Compton scattering describes the scattering of a photon after its collision with an electron. The recent developments of spectral cameras, able to collect photons in terms of energy, open the way to a new imaging… read more here.
Keywords: scattering imaging; compton; algorithm compton; reconstruction algorithm ... See more keywords
Study and comparison of different sensitivity models for a two-plane Compton camera.
Sign Up to like & getrecommendations! Published in 2018 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aac8cd
Abstract: Given the strong variations in the sensitivity of Compton cameras for the detection of events originating from different points in the field of view (FoV), sensitivity correction is often necessary in Compton image reconstruction. Several… read more here.
Keywords: sensitivity models; compton camera; sensitivity; model ... See more keywords
In vivo simultaneous imaging with 99mTc and 18F using a Compton camera.
Sign Up to like & getrecommendations! Published in 2018 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/aae1d1
Abstract: We have been developing a medical imaging technique using a Compton camera. This study evaluates the feasibility of clear imaging with 99mTc and 18F simultaneously, and demonstrates in vivo imaging with 99mTc and/or 18F. We… read more here.
Keywords: compton camera; imaging 99mtc; compton; 99mtc 18f ... See more keywords
On the relativistic impulse approximation for the calculation of Compton scattering cross sections and photon interaction coefficients used in kV dosimetry.
Sign Up to like & getrecommendations! Published in 2020 at "Physics in medicine and biology"
DOI: 10.1088/1361-6560/ab8108
Abstract: We calculate differential and integrated cross sections for the Compton interaction as well as mass attenuation (μC/ρ), mass energy-transfer (μtrC/ρ), and mass energy-absorption (μen/ρ) coefficients, within the relativistic impulse approximation (RIA) using Compton profiles (CPs)… read more here.
Keywords: relativistic impulse; impulse approximation; interaction; compton ... See more keywords
Anomalous two-photon Compton scattering
Sign Up to like & getrecommendations! Published in 2021 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ac3553
Abstract: X-ray free-electron lasers can generate radiation pulses with extreme peak intensities at short wavelengths. This enables the investigation of laser–matter interactions in a regime of high fields, yet at a non-relativistic ponderomotive potential, where ordinary… read more here.
Keywords: free electrons; shift; two photon; photon compton ... See more keywords
Tests of MACACO Compton telescope with 4.44 MeV gamma rays
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Instrumentation"
DOI: 10.1088/1748-0221/13/05/p05007
Abstract: Hadron therapy offers the possibility of delivering a large amount of radiation dose to tumors with minimal absorption by the surrounding healthy tissue. In order to fully exploit the advantages of this technique, the use… read more here.
Keywords: compton telescope; mev gamma; compton; gamma ... See more keywords