There‘s more to UHD than pixels: BBC R&D on HDR
July 22, 2014, 01:38 PM
http://alex4d.com/notes/item/more-to-uhd-than-pixe...
Most people associate UHD with 4K - four times as many pixels. A more important aspect is a higher range of colour and brightness - High Dynamic Range Video. Recently BBC R&D took part in the European UHD standards workshop: Currently in stills photography, due to limitations in print and screen technologies, it is usual to utlilse a "tone-mapping" algorithm to create a lower dynamic range representation of an HDR image suitable for printing or viewing on a PC screen. These tone-mappin...
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