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SDR video with a conventional gamma curve and a bit depth of 8-bits per sample has a dynamic range of about 6 stops, assuming a luminance quantisation threshold of 5% is used. [10] A threshold of 5% is used in the paper (instead of the standard 2% threshold) to allow for the typical display being dimmer than ideal.
SDR, HDR, and WDR are camera terms that refer to what type of imaging tech your device uses to capture details in over- and under-exposed lighting environments. SDR, HDR, and WDR are camera terms ...
HDR video refers to a video encoded in an HDR format. Thoses HDR video have a greater bit depth, luminance and color volume than standard dynamic range (SDR) video which uses a conventional gamma curve. [22] On January 4, 2016, the Ultra HD Alliance announced their certification requirements for an HDR display.
Cameras and monitors may use any of these modes. Video captured in progressive mode can be recorded, broadcast, or streamed in progressive or progressive segmented frame modes. Video captured using an interlaced mode must be distributed as interlace unless a de-interlace process is applied in post production.
An SDR video display with a 2.4 gamma curve and a bit depth of 8-bits per sample can display a range of about 6 stops without visible banding. [27] Professional SDR video displays with a bit depth of 10-bits per sample extend that range to about 10 stops. [27]
Standard dynamic range (SDR) is still based on and limited by the characteristics of older cathode-ray tubes (CRTs), despite the huge advances in screen and display technologies since CRT's obsolescence. [1] SDR formats are able to represent a maximum luminance level of around 100 nits. For HDR, this number increases to around 1,000–10,000 nits.