http://www.cnr.it/ontology/cnr/individuo/prodotto/ID297052

Dynamic range expansion of video sequences: a subjective quality assessment study (Contributo in atti di convegno)

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Dynamic range expansion of video sequences: a subjective quality assessment study (Contributo in atti di convegno) (literal)

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De Simone F., Valenzise G., Paul L., Dufaux F., Banterle F. (2014)
Dynamic range expansion of video sequences: a subjective quality assessment study
in The 2nd IEEE Global Conference on Signal and Information Processing, Atlanta, Georgia, USA, 3-5 December 2014
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TELECOM ParisTech, Paris; TELECOM ParisTech, Paris; TELECOM ParisTech, Paris; TELECOM ParisTech, Paris; CNR-ISTI, Pisa, Italy (literal)

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Dynamic range expansion of video sequences: a subjective quality assessment study (literal)

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The goal of this paper is to assess whether existing solutions to expand low dynamic range (LDR) still images to high dynamic range (HDR) displays can apply to moving pictures. To this end, we conduct a subjective quality assessment test on four state-of-the-art expansion operators, using high-quality input LDR content. Our results show that, perhaps surprisingly, no temporal artifacts, such as flickering due to global illumination changes, are introduced applying frame-based algorithms. In addition, they confirm previous studies in that operators as simple as linear expansion can yield acceptable (or even excellent) quality of the HDR video. (literal)

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