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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1109/TIP.2014.2383319
|2 doi
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2 |
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|a eng
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| 100 |
1 |
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|a Mantel, Claire
|e verfasserin
|4 aut
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| 245 |
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|a Modeling the subjective quality of highly contrasted videos displayed on LCD with local backlight dimming
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|c 2015
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|a Text
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|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 30.03.2015
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|a Date Revised 14.01.2015
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Local backlight dimming is a technology aiming at both saving energy and improving visual quality on television sets. As the rendition of the image is specified locally, the numerical signal corresponding to the displayed image needs to be computed through a model of the display. This simulated signal can then be used as input to objective quality metrics. The focus of this paper is on determining which characteristics of locally backlit displays influence quality assessment. A subjective experiment assessing the quality of highly contrasted videos displayed with various local backlight-dimming algorithms is set up. Subjective results are then compared with both objective measures and objective quality metrics using different display models. The first analysis indicates that the most significant objective features are temporal variations, power consumption (probably representing leakage), and a contrast measure. The second analysis shows that modeling of leakage is necessary for objective quality assessment of sequences displayed with local backlight dimming
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|a Journal Article
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| 650 |
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|a Research Support, Non-U.S. Gov't
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| 700 |
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|a Bech, Søren
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Korhonen, Jari
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Forchhammer, Søren
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pedersen, Jesper Melgaard
|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 24(2015), 2 vom: 14. Feb., Seite 573-82
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|x 1941-0042
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|g year:2015
|g number:2
|g day:14
|g month:02
|g pages:573-82
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|u http://dx.doi.org/10.1109/TIP.2014.2383319
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