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Single-Image Vignetting Correction from Gradient Distribution Symmetries
We present novel techniques for single-image vignetting correction based on symmetries of two forms of image gradients: semicircular tangential gradients (SCTG) and radial gradients (RG). For a given image pixel, an SCTG is an image gradient along the tangential direction of a circle centered at the...
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| Main Authors: | , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2013
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4172430/ https://ncbi.nlm.nih.gov/pubmed/23599060 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1109/TPAMI.2012.210 |
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