3 papers
physics.med-ph2026
A Positron Range Correction with Texture Preservation Framework in PET Imaging
Nerea Encina-Baranda, Yifan Zheng, Jorge Cabello +5
Positron range (PR) blurring is a fundamental resolution limitation in PET imaging with high-energy positron emitters such as 82Rb, causing contrast loss and spill-out effects acro…
physics.med-ph2026
A tissue-informed deep learning-based method for positron range correction in preclinical 68Ga PET imaging
Nerea Encina-Baranda, Robert J. Paneque-Yunta, Javier Lopez-Rodriguez +5
Positron range (PR) limits spatial resolution and quantitative accuracy in PET imaging, particularly for high-energy positron-emitting radionuclides like 68Ga. We propose a deep le…
physics.med-ph2024
Stationary CT Imaging of Intracranial Hemorrhage with Diffusion Posterior Sampling Reconstruction
Alejandro Lopez-Montes, Thomas McSkimming, Anthony Skeats +4
Diffusion Posterior Sampling (DPS) can be used in Computed Tomography (CT) reconstruction by leveraging diffusion-based generative models for unconditional image synthesis while ma…