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Appendix F – NUC Coefficient Format
NUC Gain Coefficient (for Valid Pixel)
Bit Fields
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Frct
NUC Offset Coefficient (for Valid Pixel i.e. NUC Gain Non-Zero)
Bit Fields
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
Frct
Sign
Pixel Replace Address Offset
Sign
Zero
NUC Offset Coefficient (Odd Addresses)
Range: -16,384 to +16,383.5 Resolution: 0.5
NUC Offset Coefficient Becomes Pixel Replace Address Offset
if NUC Gain Coefficient Equals Zero
NUC Gain Coefficient (Even Addresses)
Range: 0 to ~2 Resolution: 2
-15
Set NUC Gain Coefficient to Zero if Defective Pixel
Range: -643 to +643 Resolution: 1
Pixel Replace Address Offset = (Replace Relative Row Index * Pixels / Line) +
Replace Relative Col Index
where: –2 <= Replace Relative Row Index <= +2 and
-3 <= Replace Relative Col Index <= +3 and
Pixels / Line <= 320
Pixel Replace Address Offset
57
