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Nonlocal Total Variation Using the First and Second Order Derivatives and Its Application to CT image Reconstruction
We propose a new class of nonlocal Total Variation (TV), in which the first derivative and the second derivative are mixed. Since most existing TV considers only the first-order derivative, it suffers from problems such as staircase artifacts and loss in smooth intensity changes for textures and low...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
MDPI
2020
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7349404/ https://www.ncbi.nlm.nih.gov/pubmed/32575760 http://dx.doi.org/10.3390/s20123494 |