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ROI Gain : How does it works ?
The ROI Gain feature comes in addition with the FFC (it’s applied and calculated after).
The maximum complementary Gain ix x2.
It can be applied in 2 commands :
>
First set the ROI Gain value : command address is : 0x8624
>
Second, set the ROI (Region of Interest) : Command address is 0x8628
This second command applies the Gain on the ROI in memory and this is immediately
activated.
The ROI Gain is a “online” function that can be overlapped but can’t be saved.
Here is an example to apply a complementary gain of x1,5 between the pixels #5263 and
#9002 (pixels are included). The two commands are :
-
“w 0x8624 512”
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“w 0x8628 0x148F232A”
Result with FFC activated :
Result with FFC not activated :
Pixels
FFC
ROI gain
FFC
x1.5
5263
9002
Pixels
ROI gain
x1.5
5263
9002