Perceptual Quantizer
E772519
Perceptual Quantizer is a high-dynamic-range (HDR) electro-optical transfer function designed to closely match human visual perception of brightness for modern video and display systems.
Observed surface forms (1)
| Surface form | Occurrences |
|---|---|
| PQ (Perceptual Quantizer) | 1 |
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
electro-optical transfer function
ⓘ
high-dynamic-range standard ⓘ |
| abbreviation | PQ ⓘ |
| advantage |
efficient use of code values for HDR
ⓘ
reduced visible banding at high luminance ⓘ |
| alias | ST 2084 PQ curve NERFINISHED ⓘ |
| application |
HDR streaming services
ⓘ
cinema mastering ⓘ home HDR television ⓘ |
| assumes | reference viewing environment for HDR ⓘ |
| basedOn |
Barten contrast sensitivity function
NERFINISHED
ⓘ
human visual system contrast sensitivity ⓘ |
| characteristic |
absolute luminance encoding
ⓘ
perceptually uniform steps ⓘ |
| comparedWith | Hybrid Log-Gamma NERFINISHED ⓘ |
| definedInStandard | SMPTE ST 2084 NERFINISHED ⓘ |
| designedFor |
HDR display systems
ⓘ
HDR video systems ⓘ |
| developedFor |
modern flat-panel displays
ⓘ
projection HDR systems ⓘ |
| domain | electro-optical transfer ⓘ |
| field |
display technology
ⓘ
high-dynamic-range imaging ⓘ video technology ⓘ |
| governs | mapping from scene-referred signal to display-referred luminance ⓘ |
| influenced | design of HDR metadata and mastering practices ⓘ |
| luminanceRange | 0 cd/m² to 10000 cd/m² ⓘ |
| mapsFrom | normalized digital code values ⓘ |
| mapsTo | absolute display luminance ⓘ |
| mathematicalForm | logarithmic-like nonlinearity ⓘ |
| optimizedFor | just-noticeable differences in luminance ⓘ |
| purpose |
to define an HDR electro-optical transfer function
ⓘ
to model human visual perception of brightness ⓘ |
| relatedStandard |
ITU-R BT.2100
NERFINISHED
ⓘ
SMPTE ST 2086 NERFINISHED ⓘ |
| replaces | gamma-based SDR transfer functions in HDR workflows ⓘ |
| standardizedBy | SMPTE NERFINISHED ⓘ |
| supportsPeakLuminanceUpTo | 10000 cd/m² GENERATED ⓘ |
| transferType | non-linear transfer function ⓘ |
| usedIn |
Dolby Vision
NERFINISHED
ⓘ
HDR10 NERFINISHED ⓘ HLG-to-PQ conversion workflows ⓘ |
| usedWith |
10-bit video signals
ⓘ
12-bit video signals ⓘ |
| yearStandardized | 2014 ⓘ |
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
PQ (Perceptual Quantizer)