Characterization and assessment of projection probability density function and enhanced sampling in self-collimation SPECT
D Zhang, Z Lyu, Y Liu, ZX He, R Yao… - IEEE transactions on …, 2023 - ieeexplore.ieee.org
We have recently reported a self-collimation SPECT (SC-SPECT) design concept that
constructs sensitive detectors in a multi-ring interspaced mosaic architecture to …
constructs sensitive detectors in a multi-ring interspaced mosaic architecture to …
Hardware development of hybrid-sensor cameras and gantry for an adaptive SPECT system
Stationary single photon emission computed tomography (SPECT) systems offer numerous
advantages over rotating-head systems, but have one notable drawback in that the array of …
advantages over rotating-head systems, but have one notable drawback in that the array of …
Mesh modeling of system geometry and anatomy phantoms for realistic GATE simulations and their inclusion in SPECT reconstruction
Objective. Monte-Carlo simulation studies have been essential for advancing various
developments in single photon emission computed tomography (SPECT) imaging, such as …
developments in single photon emission computed tomography (SPECT) imaging, such as …
Multiple-pinhole collimators improve intra-and between-rater agreement and the certainty of the visual interpretation in dopamine transporter SPECT
F Mathies, I Apostolova, L Dierck, J Jacobi, K Kuen… - EJNMMI research, 2022 - Springer
Background Multiple-pinhole (MPH) collimators improve the resolution–sensitivity trade-off
compared to parallel-hole collimators. This study evaluated the impact of MPH collimators …
compared to parallel-hole collimators. This study evaluated the impact of MPH collimators …
Improvement in sampling and modulation of multiplexing with temporal shuttering of adaptable apertures in a brain-dedicated multi-pinhole SPECT system
We are develo** a multi-detector pinhole-based stationary brain-dedicated SPECT
system: AdaptiSPECT-C. In this work, we introduced a new design prototype with multiple …
system: AdaptiSPECT-C. In this work, we introduced a new design prototype with multiple …
Correction of multiplexing artefacts in multi-pinhole SPECT through temporal shuttering, de-multiplexing of projections, and alternating reconstruction
Objective. Single-photon emission computed tomography (SPECT) with pinhole collimators
can provide high-resolution imaging, but is often limited by low sensitivity. Acquiring …
can provide high-resolution imaging, but is often limited by low sensitivity. Acquiring …
Dopamine Transporter SPECT with 12-Minute Scan Duration Using Multiple-Pinhole Collimators
R Buchert, B Szabo, A Kovacs… - Journal of Nuclear …, 2024 - Soc Nuclear Med
This study evaluated the potential to reduce the scan duration in dopamine transporter
(DAT) SPECT when using a second-generation multiple-pinhole (MPH) collimator designed …
(DAT) SPECT when using a second-generation multiple-pinhole (MPH) collimator designed …
Cerebral SPECT imaging with different acquisition schemes using varying levels of multiplexing versus sensitivity in an adaptive multi-pinhole brain-dedicated …
Application of multi-pinhole collimator in pinhole-based SPECT increases detection
sensitivity. The presence of multiplexing in projection images due to the usage of multiple …
sensitivity. The presence of multiplexing in projection images due to the usage of multiple …
A dynamic pinhole aperture control system
We have designed prototype control electronics and software responsible for moving
adjustable pinhole apertures. With this design we can create various imaging configurations …
adjustable pinhole apertures. With this design we can create various imaging configurations …
Demultiplexing of projection data in adaptive brain SPECT with multi-pinhole collimation
Multiplexing of projection images is a potential solution to increasing detection sensitivity in
multi-pinhole (MPH) SPECT systems. However, the ambiguity caused by overlapped …
multi-pinhole (MPH) SPECT systems. However, the ambiguity caused by overlapped …