PQ
E772520
PQ is a perceptual quantizer electro-optical transfer function used in HDR video systems to map digital signal values to display luminance in a way that matches human visual perception.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
electro-optical transfer function
ⓘ
perceptual quantizer ⓘ |
| abbreviationFor | Perceptual Quantizer NERFINISHED ⓘ |
| alsoKnownAs |
PQ EOTF
NERFINISHED
ⓘ
ST 2084 EOTF NERFINISHED ⓘ |
| appliesTo | electro-optical transfer ⓘ |
| associatedWith | HDR metadata systems ⓘ |
| benefit |
more efficient code value usage
ⓘ
reduced visible banding in HDR ⓘ |
| category |
HDR transfer function
ⓘ
optical transfer characteristic ⓘ |
| characteristic | nonlinear transfer function ⓘ |
| comparedWith | Hybrid Log-Gamma NERFINISHED ⓘ |
| compatibleWith |
10-bit video signals
ⓘ
12-bit video signals ⓘ |
| definedBy | SMPTE ST 2084 NERFINISHED ⓘ |
| designedFor | human visual perception ⓘ |
| developedBy | SMPTE NERFINISHED ⓘ |
| domain |
display technology
ⓘ
image processing ⓘ video technology ⓘ |
| enables | efficient HDR signal encoding ⓘ |
| fullName | Perceptual Quantizer NERFINISHED ⓘ |
| input | normalized digital code values ⓘ |
| introducedFor | professional HDR workflows ⓘ |
| luminanceEncodingType | absolute ⓘ |
| maps | digital signal values to display luminance ⓘ |
| mapsTo | absolute display luminance ⓘ |
| optimizedFor | human contrast sensitivity ⓘ |
| output | display luminance in cd/m^2 ⓘ |
| purpose | to match luminance encoding to human perception ⓘ |
| relatedTo |
HLG
NERFINISHED
ⓘ
gamma transfer functions ⓘ |
| requires | tone mapping on lower-nit displays ⓘ |
| standardizedIn |
ITU-R BT.2100
NERFINISHED
ⓘ
SMPTE ST 2084 NERFINISHED ⓘ |
| supports |
high dynamic range content
ⓘ
wide luminance range ⓘ |
| usedBy |
Dolby Vision
NERFINISHED
ⓘ
HDR10 NERFINISHED ⓘ HDR10+ NERFINISHED ⓘ |
| usedFor |
HDR content distribution
ⓘ
HDR display rendering ⓘ HDR mastering ⓘ |
| usedIn |
HDR video systems
ⓘ
high dynamic range imaging ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.