Photon Focus MV3-D640I-M01-144-CL, User Manual, Page: 61 / 121

9.2 Image Correction
5
7
6
5 7
6 6
5 6
4 3 7
3
4
7
1
7 4 6 4
4
3
1
3
4
c
u r r e n t i m a g e
)
5
6
6
5 5
6 5
5 4
4 3 7
3
4
7
1
7 4 6 4
4
3
1
3
4
)
1
1
1
2
- 1
2 - 2
- 1 0
1 - 1 1
- 1
0
2
0
- 1
0
- 2
0
1 1 - 2 - 2 - 2
o f f s e t c o r r e c t i o n
m a t r i x
-
1
1 . 2
1
0 . 9 1
1 . 2
- 2
0 . 9 1
1 - 1 1
0 . 8
1
1
0
1 . 3
0 . 8
1
0
1 1 - 2 - 2 - 2
g a i n c o r r e c t i o n
m a t r i x
=
.
c o r r e c t e d i m a g e
)
Figure 9.7: Schematic presentation of the corrected image using gain correction algorithm
9.2.6 Correction Ranges
Table 9.1 shows the minimum and maximum values of the correction matrices, i.e. the range
that the offset and gain algorithm can correct.
Minimum Maximum
Offset correction -1023 DN @ 12 bit +1023 DN @ 12 bit
Gain correction 0.42 2.67
Table 9.1: Offset and gain correction ranges
.
MAN076 09/2017 V1.0 61 of 121