activity
20232026
most citedSynthetic CT Generation via Variant Invertible Network for All-digital Brain PET Attenuation Correction

2 citations · 2 across the 9 of their papers we have counts for

collaborators

9 papers

cs.CV2026

GR-Diffusion: 3D Gaussian Representation Meets Diffusion in Whole-Body PET Reconstruction

Mengxiao Geng, Zijie Chen, Ran Hong +2

Positron emission tomography (PET) reconstruction is a critical challenge in molecular imaging, often hampered by noise amplification, structural blurring, and detail loss due to s…

cs.CV2025

Meta-information Guided Cross-domain Synergistic Diffusion Model for Low-dose PET Reconstruction

Mengxiao Geng, Ran Hong, Xiaoling Xu +2

Low-dose PET imaging is crucial for reducing patient radiation exposure but faces challenges like noise interference, reduced contrast, and difficulty in preserving physiological d…

cs.CV2025

ALL-PET: A Low-resource and Low-shot PET Foundation Model in Projection Domain

Bin Huang, Kang Chen, Bingxuan Li +2

Building large-scale foundation model for PET imaging is hindered by limited access to labeled data and insufficient computational resources. To overcome data scarcity and efficien…

cs.CV2025

Double-Constraint Diffusion Model with Nuclear Regularization for Ultra-low-dose PET Reconstruction

Mengxiao Geng, Ran Hong, Bingxuan Li +1

Ultra-low-dose positron emission tomography (PET) reconstruction holds significant potential for reducing patient radiation exposure and shortening examination times. However, it m…

eess.IV2025

A Prior-Guided Joint Diffusion Model in Projection Domain for PET Tracer Conversion

Fang Chen, Weifeng Zhang, Xingyu Ai +3

Positron emission tomography (PET) is widely used to assess metabolic activity, but its application is limited by the availability of radiotracers. 18F-labeled fluorodeoxyglucose (…

eess.IV2024

st-DTPM: Spatial-Temporal Guided Diffusion Transformer Probabilistic Model for Delayed Scan PET Image Prediction

Ran Hong, Yuxia Huang, Lei Liu +4

PET imaging is widely employed for observing biological metabolic activities within the human body. However, numerous benign conditions can cause increased uptake of radiopharmaceu…

cs.CV2024

Diffusion Transformer Model With Compact Prior for Low-dose PET Reconstruction

Bin Huang, Xubiao Liu, Lei Fang +2

Positron emission tomography (PET) is an advanced medical imaging technique that plays a crucial role in non-invasive clinical diagnosis. However, while reducing radiation exposure…

cs.LG2023

PET Tracer Conversion among Brain PET via Variable Augmented Invertible Network

Bohui Shen, Wei Zhang, Xubiao Liu +8

Positron emission tomography (PET) serves as an essential tool for diagnosis of encephalopathy and brain science research. However, it suffers from the limited choice of tracers. N…

eess.IV2023★ 2 cited

Synthetic CT Generation via Variant Invertible Network for All-digital Brain PET Attenuation Correction

Yu Guan, Bohui Shen, Xinchong Shi +3

Attenuation correction (AC) is essential for the generation of artifact-free and quantitatively accurate positron emission tomography (PET) images. However, AC of PET faces challen…