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No.21S102-02
49/71
STC-LBS132POE-SWIR
Product Specifications and User’s Guide
FFC function procedure
Procedure for unevenness of black level correction (DSNU)
Shading camera
Sets “Offset” at FFCSelector
Sets “Once” at FFCAuto (then start correction process)
(The image stops while proceeding)
(BlackLevel is as target for this process. The process will be done about ten few seconds)
Procedure for unevenness of sensitivity correction (PRNU)
Acquiring even white target
Sets “Gain” at FFCSelector
Sets “Once” at FFCAuto (then start correction process)
(The image stops while proceeding)
(BlackLevel is as target for this process. The process will be done about few seconds)
It is necessary to save FFC settings to memory on camera used by “UserSet Control”.
Please refers “Save and load the camera settings”
Image before FFC PRNU
Image after applying FFC PRNU
* Note1: Please sets “OFF” for “Trigger mode” as free-run operation when using FFC PRNU function.
* Note2: Please uses FFC function again after adjusting camera parameters when changing lens or light
source
* Note3: Please proceed DSNU correction before process PRNU correction if AnalogGain setting is not
“0”.
Or please enable DSNU before process PRNU correction.
(FFCSelect:Offset, FFCEnable:True)
* Note4: Please enabled DSNU (FFCSelect:Offset, FFCEnable:True) when using camera with
enabling PRNU (FFCSelect:Gain, FFCEnable:True)
* Note5: The image may not saturate when proceeding DSNU correction and enabling DSNU.
In this case, please adjust digital gain to saturate image.
Please adjust digital gain while checking image quality.