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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2018.2828983
|2 doi
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|a eng
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| 100 |
1 |
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|a Rossi, Mattia
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Geometry-Consistent Light Field Super-Resolution via Graph-Based Regularization
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| 264 |
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|c 2018
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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| 500 |
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|a Date Completed 30.07.2018
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| 500 |
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|a Date Revised 30.07.2018
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Light field cameras capture the 3D information in a scene with a single exposure. This special feature makes light field cameras very appealing for a variety of applications: from post-capture refocus to depth estimation and image-based rendering. However, light field cameras suffer by design from strong limitations in their spatial resolution. Off-the-shelf super-resolution algorithms are not ideal for light field data, as they do not consider its structure. On the other hand, the few super-resolution algorithms explicitly tailored for light field data exhibit significant limitations, such as the need to carry out a costly disparity estimation procedure with sub-pixel precision. We propose a new light field super-resolution algorithm meant to address these limitations. We use the complementary information in the different light field views to augment the spatial resolution of the whole light field at once. In particular, we show that coupling the multi-view approach with a graph-based regularizer, which enforces the light field geometric structure, permits to avoid the need of a precise and costly disparity estimation step. Extensive experiments show that the new algorithm compares favorably to the state-of-the-art methods for light field super-resolution, both in terms of visual quality and in terms of reconstruction error
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| 650 |
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|a Journal Article
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| 700 |
1 |
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|a Frossard, Pascal
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on image processing : a publication of the IEEE Signal Processing Society
|d 1992
|g 27(2018), 9 vom: 01. Sept., Seite 4207-4218
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|x 1941-0042
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| 773 |
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|g volume:27
|g year:2018
|g number:9
|g day:01
|g month:09
|g pages:4207-4218
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|u http://dx.doi.org/10.1109/TIP.2018.2828983
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