AiP ABA-001IR, Руководство пользователя, Страница: 39 / 79

SWIR Area Camera Series User’s Manual
(OM170000021A)
- 39 -
step3
：
Execute DSNU compensation
Set the target black level value and execute DSNU compensation. When it is completed, all pixels are set
to the target level under no light condition. The recommended value for the target is 512.
command Setting
CL Including in ffcadjust
Black level target
value:
0
～
2047(14bit) GV FlatFieldCorrectionDarkTarget
command Setting
CL ffcadjust
Execute Black level
compensation
GV FlatFieldCorrectionDarkAdjustment
step4
：
Before execute PRNU and shading compensation
Under the operating conditions, adjust the lens iris, lighting luminance and the camera position with a
plain white object so that the brightest area of the object is 80% of luminance level. .
step5
：
Execute PRNU and shading compensation
Set the target white level and execute PRNU and shading compensation. After it is completed, the whole
luminance will be uniform. The recommended value for the target is 14253.
command Setting
CL Including in ffcadjust
White level target value
:Black level target value +1
～
16383(14bit)
GV FlatFieldCorrectionBrightAdjustment
command Setting
CL ffcadjust
Execute white level
compensation
GV FlatFieldCorrectionBrightAdjustment
step6
：
Before execute Medium Level compensation
Half of light of the light incident on the time of step4 shading compensation is adjusted so that it may be
incident.
Incoming light
Before compensation
Lu
m
in
ab
ce
After compensation
Incoming light
Lu
m
in
ab
ce