Objective evaluation of naturalness, contrast, and colorfulness of tone-mapped images

Lukáš Krasula 1, 2 Karel Fliegel 2 Patrick Le Callet 1 Miloš Klíma 2
1 IRCCyN - Institut de Recherche en Communications et en Cybernétique de Nantes
2 CTU - Czech Technical University in Prague
Abstract : The main obstacle preventing High Dynamic Range (HDR) imaging from becoming standard in image and video processing industry is the challenge of displaying the content. The prices of HDR screens are still too high for ordinary customers. During last decade, a lot of effort has been dedicated to finding ways to compress the dynamic range for legacy displays with simultaneous preservation of details in highlights and shadows which cannot be achieved by standard systems. These dynamic range compression techniques are called tone-mapping operators (TMO) and introduce novel distortions such as spatially non-linear distortion of contrast or naturalness corruption. This paper provides an analysis of objective no-reference naturalness, contrast and colorfulness measures in the context of tone-mapped images evaluation. Reliable measures of these features could be further merged together into single overall quality metric. The main goal of the paper is to provide an initial study of the problem and identify the potential candidates for such a combination.
Keywords : High Dynamic Range (HDR) Tone-Mapping Operators (TMO) Image Quality Measures Objective Evaluation
Type de document :
Communication dans un congrès
SPIE Optics + Photonics, Applications of Digital Image Processing XXXVII, Aug 2014, San Diego, United States
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Contributeur : Harold Mouchère <>
Soumis le : jeudi 10 novembre 2016 - 18:19:41
Dernière modification le : mercredi 16 mai 2018 - 11:48:04
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Lukáš Krasula, Karel Fliegel, Patrick Le Callet, Miloš Klíma. Objective evaluation of naturalness, contrast, and colorfulness of tone-mapped images. SPIE Optics + Photonics, Applications of Digital Image Processing XXXVII, Aug 2014, San Diego, United States. 〈hal-01395543〉

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