Video Encoding Functions; Rec.709 - Barco RHDM-1701 User Manual

In general, we can write any of these encoding standards with the formula:
⎧
b L
=
s
⎨
V '
( )
+ −
/ 1 g
⎩
1 K L
s

5.3 Video encoding functions

5.3.1 Rec.709

Figure 53: L-V' for Rec.709
⎧
4
=
⎨
V '
709
. 0
⎩
. 1 099 L
b
≤ <
r
0 L
b
s
b
K
≤ ≤
r
L 1
b
where
s
≤ <
5 . L 0 L . 0
− ≤
45
. 0 099 . 0 018 L
( )
( )
− / 1 g
b b / b s
( )
=
r r s
K
( )
/ 1 g −
b / b s 1
r s
018
≤
1
Barco - RHDM-1701 - User manual
Video signal processing
155