Dalsa PC-30-02K80 - Calibrating Camera Gain

Piranha Color Camera User’s Manual 40
DALSA 03-032-10211-01 5/9/2007
Example:
sag 0 5.2
Related Commands:
ccg
Calibrating Camera Gain
Purpose: Instead of manually setting the analog gain to a specific value, the camera can
determine appropriate gain values. This command calculates and sets the analog
gain according to the algorithm determined by the first parameter.
Syntax:
ccg i t i
Syntax
Elements:
i
Calibration algorithm to use.
1 = This algorithm adjusts analog gain so that 8% to 13% of tap region of
interest (ROI) pixels are above the specified target value.
10% Above
Target
Before
Calibration
A
lgorithm One
2 = This algorithm adjusts analog gain so that the average pixel value in tap’s
ROI is equal to the specified target value.
A
lgorithm Two
Mean
T
arget
Before
Calibration
3 = This algorithm adjusts digital gain so that the average pixel value in tap’s
ROI is equal to the specified target.
Note: See Alogrithm Two above for an illustration.