Usuario:Glennchan
sitio web: glennchan.info
Sandbox para fórmulas matemáticas
http://en.wikipedia.org/wiki/User:Glennchan/Wikipedia:LaTeX
sRGB
V
s
R
GRAMO
B
"
=
{
12,92
yo
;
0
≤
yo
≤
0,0031308
1.055
yo
(
1
2.4
)
−
0,055
;
0,0031308
<
yo
≤
1
{\displaystyle V'_{sRGB}={\begin{cases}\ {12,92L};&0\leq L\leq 0,0031308\\\\{1,055L}^{\left({\frac {1}{2,4}}\right)}-0,055;&0,0031308<L\leq 1\\\end{cases}}}
Rec. 709
yo
=
{
mi
709
"
4.5
mi
709
"
⩽
0,081
mi
709
"
+
0,099
1.099
(
1
0,45
)
,
0,081
⩽
mi
709
"
{\displaystyle L={\begin{cases}{\dfrac {E'_{709}}{4.5}}&E'_{709}\leqslant 0.081\\\\{\dfrac {E'_{709}+0.099}{1.099}}^{\left({\frac {1}{0.45}}\right)}&,0.081\leqslant E'_{709}\\\end{cases}}}
Otro
yo
tú
metro
i
norte
a
norte
do
mi
=
0,2126
R
+
0,7152
GRAMO
+
0,0722
B
{\displaystyle Luminancia=0,2126R+0,7152G+0,0722B\,\!}
yo
=
METRO
a
incógnita
+
METRO
i
norte
2
{\displaystyle L={\frac {Máx+Mín}{2}}\,\!}
V
=
METRO
a
incógnita
{\displaystyle V=Máx\,\!}
