Deep learning-based denoising in projection-domain and reconstruction-domain for low-dose myocardial perfusion SPECT
Background Low-dose (LD) myocardial perfusion (MP) SPECT suffers from high noise level,
leading to compromised diagnostic accuracy. Here we investigated the denoising …
leading to compromised diagnostic accuracy. Here we investigated the denoising …
A review of state-of-the-art resolution improvement techniques in SPECT imaging
Z Cheng, P Chen, J Yan - EJNMMI physics, 2025 - Springer
Single photon emission computed tomography (SPECT), a technique capable of capturing
functional and molecular information, has been widely adopted in theranostics applications …
functional and molecular information, has been widely adopted in theranostics applications …
A look at radiation detectors and their applications in medical imaging
The effectiveness and precision of disease diagnosis and treatment have increased, thanks
to developments in clinical imaging over the past few decades. Science is develo** and …
to developments in clinical imaging over the past few decades. Science is develo** and …
Characterization of accurate 3D collimator-detector response function for single-and multi-lofthole collimated SPECT cameras
Purpose Collimator-detector response function (CDRF) of a SPECT scanner refers to the
image generated from a point source of activity. This research aims to characterize the …
image generated from a point source of activity. This research aims to characterize the …
Fast myocardial perfusion SPECT denoising using an attention-guided generative adversarial network
Purpose Deep learning-based denoising is promising for myocardial perfusion (MP) SPECT.
However, conventional convolutional neural network (CNN)-based methods use fixed-sized …
However, conventional convolutional neural network (CNN)-based methods use fixed-sized …
Performance evaluation of a novel multi-pinhole SPECT system
In this work, the performance of a novel multi-pinhole SPECT (MPH SPECT) system based
on Insight NM/CT Pro (Bei**g Novel Medical Equipment Ltd) was evaluated. The sensitivity …
on Insight NM/CT Pro (Bei**g Novel Medical Equipment Ltd) was evaluated. The sensitivity …
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 …
Side-Chain Modified [99mTc]Tc-DT1 Mimics: A Comparative Study in NTS1R-Positive Models
P Kanellopoulos, BA Nock, M Rouchota… - International Journal of …, 2023 - mdpi.com
Radiolabeled neurotensin analogs have been developed as candidates for theranostic use
against neurotensin subtype 1 receptor (NTS1R)-expressing cancer. However, their fast …
against neurotensin subtype 1 receptor (NTS1R)-expressing cancer. However, their fast …
In Vivo Evaluation of Gallium‐68‐Labeled IRDye800CW as a Necrosis Avid Contrast Agent in Solid Tumors
Necrosis only occurs in pathological situations and is directly related to disease severity
and, therefore, is an important biomarker. Tumor necrosis occurs in most solid tumors due to …
and, therefore, is an important biomarker. Tumor necrosis occurs in most solid tumors due to …
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 …