Ultra-High Definition images and television (UHD) : HDR (High Dynamic Range)

HDR (High Dynamic Range)
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

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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HDR (High Dynamic Range)