Dictionary-based super resolution for positron emission tomography images

In this paper, a strategy to increase the resolution of positron emission tomography (PET) images, using a previously trained high resolution dictionary for the sinograms is proposed. The low resolution input sinogram is divided into patches of 5x5 samples. The sparse code of each patch is calc...

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Bibliographic Details
Main Author: Rodríguez Hernández, Leandro José
Other Authors: Ochoa Domínguez, Humberto
Format: Artículo
Published: 2019
Online Access:https://ijcopi.org/index.php/ojs/article/view/151
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