Deep learning-based image reconstruction and post-processing methods in positron emission tomography for low-dose imaging and resolution enhancement

CD Pain, GF Egan, Z Chen - European Journal of Nuclear Medicine and …, 2022 - Springer
Image processing plays a crucial role in maximising diagnostic quality of positron emission
tomography (PET) images. Recently, deep learning methods developed across many fields …

Artificial intelligence-based image enhancement in pet imaging: Noise reduction and resolution enhancement

J Liu, M Malekzadeh, N Mirian, TA Song, C Liu… - PET clinics, 2021 - pet.theclinics.com
PET is a noninvasive molecular imaging modality that is increasingly popular in oncology,
neurology, cardiology, and other fields. 1–3 Accurate quantitation of PET radiotracer uptake …

PET image denoising using unsupervised deep learning

J Cui, K Gong, N Guo, C Wu, X Meng, K Kim… - European journal of …, 2019 - Springer
Purpose Image quality of positron emission tomography (PET) is limited by various physical
degradation factors. Our study aims to perform PET image denoising by utilizing prior …

Supervised learning with cyclegan for low-dose FDG PET image denoising

L Zhou, JD Schaefferkoetter, IWK Tham, G Huang… - Medical image …, 2020 - Elsevier
PET imaging involves radiotracer injections, raising concerns about the risk of radiation
exposure. To minimize the potential risk, one way is to reduce the injected tracer. However …

Image denoising: The deep learning revolution and beyond—a survey paper

M Elad, B Kawar, G Vaksman - SIAM Journal on Imaging Sciences, 2023 - SIAM
Image denoising—removal of additive white Gaussian noise from an image—is one of the
oldest and most studied problems in image processing. Extensive work over several …

Iterative PET image reconstruction using convolutional neural network representation

K Gong, J Guan, K Kim, X Zhang, J Yang… - IEEE transactions on …, 2018 - ieeexplore.ieee.org
PET image reconstruction is challenging due to the ill-poseness of the inverse problem and
limited number of detected photons. Recently, the deep neural networks have been widely …

PET image denoising using a deep neural network through fine tuning

K Gong, J Guan, CC Liu, J Qi - IEEE Transactions on Radiation …, 2018 - ieeexplore.ieee.org
Positron emission tomography (PET) is a functional imaging modality widely used in clinical
diagnosis. In this paper, we trained a deep convolutional neural network to improve PET …

PET image denoising based on denoising diffusion probabilistic model

K Gong, K Johnson, G El Fakhri, Q Li, T Pan - European Journal of …, 2024 - Springer
Purpose Due to various physical degradation factors and limited counts received, PET
image quality needs further improvements. The denoising diffusion probabilistic model …

200x low-dose PET reconstruction using deep learning

J Xu, E Gong, J Pauly, G Zaharchuk - arXiv preprint arXiv:1712.04119, 2017 - arxiv.org
Positron emission tomography (PET) is widely used in various clinical applications,
including cancer diagnosis, heart disease and neuro disorders. The use of radioactive tracer …

An investigation of quantitative accuracy for deep learning based denoising in oncological PET

W Lu, JA Onofrey, Y Lu, L Shi, T Ma… - Physics in Medicine & …, 2019 - iopscience.iop.org
Reducing radiation dose is important for PET imaging. However, reducing injection doses
causes increased image noise and low signal-to-noise ratio (SNR), subsequently affecting …