2022-01-16 02:45:01 +00:00
|
|
|
= YUV =
|
|
|
|
|
|
|
|
|
|
The YUV colorspace is a system to represent color in a more compact way that
|
2022-01-16 20:45:01 +00:00
|
|
|
accounts for the way human perception works. YUV is used in the PAL composite
|
|
|
|
|
color video standard.
|
|
|
|
|
|
|
|
|
|
The 'Y' pertains to the luma component, or how bright the color is. The
|
|
|
|
|
two chrominance components called U (blue) and V (red).
|
|
|
|
|
|
|
|
|
|
Luminance is Y and luma is Y', where the prime sybmol denotes gamma correction.
|
|
|
|
|
Luminance is physical linear space brigtness, while luma is precieved
|
|
|
|
|
brightness (non linear).
|
