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Article | REF: TE5375 V1

Ultra-High Definition images and television (UHD)

Authors: Marc LÉGER, Christophe NELSON, Jean-Noël GOUYET

Publication date: December 10, 2019 | Lire en français

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    2. HDR (High Dynamic Range)

    2.1 The basics

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    2.1.1 Background to the introduction of HDR

    Because of the limits of human visual acuity, the simple increase in image definition offered by UHD-1 brings only a slight improvement in the quality of experience perceived by the viewer, since in most cases the viewer is positioned at a distance greater than 1.5 times the height of the screen, which means that he or she is unable to perceive all the details of the image (§

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