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http://hdl.handle.net/10261/114812
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Portilla, Javier | - |
dc.date.accessioned | 2015-05-07T08:04:45Z | - |
dc.date.available | 2015-05-07T08:04:45Z | - |
dc.date.issued | 2014-10-27 | - |
dc.identifier.citation | IEEE ICIP (2014) | - |
dc.identifier.uri | http://hdl.handle.net/10261/114812 | - |
dc.description | The International Conference on Image Processing, Paris, France, October 27-30 2014 | - |
dc.description.abstract | Directly applying circular de-convolution to real-world blurred images usually results in boundary artifacts. Classic boundary extension techniques fail to provide likely results, in terms of a circular boundary-condition observation model. Boundary reflection gives raise to non-smooth features, especially when oblique oriented features encounter the image boundaries. Tapering the boundaries of the image support, or similar strategies (like constrained diffusion), provides smoothness on the toroidal support; however this does not guarantee consistency with the spectral properties of the blur (in particular, to its zeros). Here we propose a simple, yet effective, model-derived method for extending real-world blurred images, so that they become likely in terms of a Gaussian circular boundary-condition observation model. We achieve artifact-free results, even under highly unfavorable conditions, when other methods fail. | - |
dc.publisher | Institute of Electrical and Electronics Engineers | - |
dc.rights | openAccess | - |
dc.subject | Maximum likelihood extension | - |
dc.subject | Boundary artifacts | - |
dc.subject | Non-circulant deconvolution | - |
dc.subject | Image restoration | - |
dc.title | Maximum likelihood extension for non-circulant deconvolution | - |
dc.type | póster de congreso | - |
dc.date.updated | 2015-05-07T08:04:45Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.relation.csic | Sí | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6670 | es_ES |
item.openairetype | póster de congreso | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
Aparece en las colecciones: | (CFMAC-IO) Comunicaciones congresos |
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