PQ (Perceptual Quantizer) transfer function

URI: https://gptkb.org/entity/PQ_(Perceptual_Quantizer)_transfer_function
GPTKB entity
Statements (29)
Predicate Object
gptkbp:instanceOf gptkb:Electro-Optical_Transfer_Function
gptkbp:alsoKnownAs gptkb:SMPTE_ST_2084
gptkbp:basisFor HDR10+ standard
gptkbp:contrastsWith HLG transfer function
gptkbp:designedBy gptkb:Dolby_Laboratories
gptkbp:enables better detail in highlights and shadows
efficient HDR encoding
perceptually uniform quantization
https://www.w3.org/2000/01/rdf-schema#label PQ (Perceptual Quantizer) transfer function
gptkbp:inputRange 0 to 1
gptkbp:introducedIn 2014
gptkbp:mapType digital code values to absolute display luminance
gptkbp:mathematicalType nonlinear
gptkbp:maximumLuminance 10,000 cd/m²
gptkbp:range 0 to 10,000 cd/m²
gptkbp:replacedBy gamma curve for HDR
gptkbp:standardizedBy gptkb:SMPTE
gptkbp:standardNumber ST 2084
gptkbp:usedBy gptkb:Dolby_Vision
gptkb:HDR10
HLG (Hybrid Log-Gamma) alternative
gptkbp:usedIn gptkb:technology
gptkb:Ultra_HD_Blu-ray
gptkb:ITU-R_BT.2100
High Dynamic Range (HDR) video
HDMI 2.0a and later
HEVC video coding
gptkbp:bfsParent gptkb:Rec._2100
gptkbp:bfsLayer 7