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Gamma correction or gamma is a nonlinear operation used to encode and decode luminance in video or images.
Standards, Simple monitor tests & Standard gammas
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gamma correction color brightness video display intensity image linear encoding monitor power-law values used value light images luminance crt system
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Gamma correction | is a | type of power-law function whose exponent is the Greek letter gamma | 0.90 | text |
| JPEG | instance of | The PNG specification includes the gAMA chunk for this purpose and with formats | 0.80 | text |
| TIFF the Exif Gamma tag can be used | instance of | The PNG specification includes the gAMA chunk for this purpose and with formats | 0.80 | text |
| those on laptop computers | instance of | In LCDs | 0.80 | text |
| the relation between the signal voltage Vs | instance of | In LCDs | 0.80 | text |
| the intensity I is very nonlinear | instance of | In LCDs | 0.80 | text |
| cannot be described with gamma value | instance of | In LCDs | 0.80 | text |
| sRGB will define a straight-line segment near zero | instance of | For this reason most formally defined colorspaces | 0.80 | text |
| add raising x | instance of | For this reason most formally defined colorspaces | 0.80 | text |
| an ICC profile | instance of | or according to some gamma specified by metadata | 0.80 | text |
| 2.2 | instance of | The camera encodes its rendered image into the JPEG file using one of the standard gamma values | 0.80 | text |
| for storage | instance of | The camera encodes its rendered image into the JPEG file using one of the standard gamma values | 0.80 | text |
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