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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| Médium: | Artículo |
| Jazyk: | en_US |
| Vydáno: |
2019
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| On-line přístup: | https://ijcopi.org/index.php/ojs/article/view/151 |
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