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...
Ausführliche Beschreibung
Bibliographische Detailangaben
Veröffentlicht in: | IEEE transactions on pattern analysis and machine intelligence. - 1979. - 35(2013), 6 vom: 15. Juni, Seite 1480-94
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1. Verfasser: |
Zheng, Yuanjie
(VerfasserIn) |
Weitere Verfasser: |
Lin, Stephen,
Kang, Sing Bing,
Xiao, Rui,
Gee, James C,
Kambhamettu, Chandra |
Format: | Online-Aufsatz
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Sprache: | English |
Veröffentlicht: |
2013
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Zugriff auf das übergeordnete Werk: | IEEE transactions on pattern analysis and machine intelligence
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Schlagworte: | Journal Article
Research Support, N.I.H., Extramural
Research Support, U.S. Gov't, Non-P.H.S. |