search

SMPTE / st428-1

Other
1 stars 0 forks source link

ISO TC36 RU Comments - C2 #2

Closed SteveLLamb closed 4 years ago

SteveLLamb commented 4 years ago
4.3 Formulae and  Ref 3 ed There is no any reason to introduce CVX', CVY', and CVZ' in place of X’Y’Z’ and then explain that they are equal. Especially if X’Y’Z’ color space was defined in section 4. =6.2137.524095'XLINTX  =6.2137.524095'YLINTY  =6.2137.52**4095'ZLINTZ  3 XYZ are the linear with light tristimulus values.
SteveLLamb commented 4 years ago

need to find all docs that reference this doc to triple check

SteveLLamb commented 4 years ago

Doc is referenced in RP431-2.

msheby commented 4 years ago

Putting the copy/paste above into something more readable: CV_foo = INT(4095 ((L foo / 52.37) ^ (1 / 2.6)))

SteveLLamb commented 4 years ago

DG agrees to decline to act on this comment.