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 …

Deep learning techniques in PET/CT imaging: A comprehensive review from sinogram to image space

M Fallahpoor, S Chakraborty, B Pradhan… - Computer methods and …, 2024 - Elsevier
Positron emission tomography/computed tomography (PET/CT) is increasingly used in
oncology, neurology, cardiology, and emerging medical fields. The success stems from the …

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 …

A deep neural network for parametric image reconstruction on a large axial field-of-view PET

Y Li, J Hu, H Sari, S Xue, R Ma, S Kandarpa… - European journal of …, 2023 - Springer
Purpose The PET scanners with long axial field of view (AFOV) having~ 20 times higher
sensitivity than conventional scanners provide new opportunities for enhanced parametric …

Artificial intelligence for PET and SPECT image enhancement

V Balaji, TA Song, M Malekzadeh… - Journal of Nuclear …, 2024 - Soc Nuclear Med
Nuclear medicine imaging modalities such as PET and SPECT are confounded by high
noise levels and low spatial resolution, necessitating postreconstruction image …

Deep learning-based PET image denoising and reconstruction: a review

F Hashimoto, Y Onishi, K Ote, H Tashima… - … physics and technology, 2024 - Springer
This review focuses on positron emission tomography (PET) imaging algorithms and traces
the evolution of PET image reconstruction methods. First, we provide an overview of …

Unsupervised PET logan parametric image estimation using conditional deep image prior

J Cui, K Gong, N Guo, K Kim, H Liu, Q Li - Medical image analysis, 2022 - Elsevier
Recently, deep learning-based denoising methods have been gradually used for PET
images denoising and have shown great achievements. Among these methods, one …

Fully 3D implementation of the end-to-end deep image prior-based PET image reconstruction using block iterative algorithm

F Hashimoto, Y Onishi, K Ote, H Tashima… - Physics in Medicine & …, 2023 - iopscience.iop.org
Objective. Deep image prior (DIP) has recently attracted attention owing to its unsupervised
positron emission tomography (PET) image reconstruction method, which does not require …

An educated warm start for deep image prior-based micro CT reconstruction

R Barbano, J Leuschner, M Schmidt… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Deep image prior (DIP) was recently introduced as an effective unsupervised approach for
image restoration tasks. DIP represents the image to be recovered as the output of a deep …

Self-supervised pre-training for deep image prior-based robust pet image denoising

Y Onishi, F Hashimoto, K Ote… - … on Radiation and …, 2023 - ieeexplore.ieee.org
Deep image prior (DIP) has been successfully applied to positron emission tomography
(PET) image restoration, enabling represent implicit prior using only convolutional neural …