Allied Vision Technologies AVT Stingray Manual de Instruções Página 104

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Description of the data path
STINGRAY Technical Manual V2.2.0
103
Auto gain
All Stingray cameras are equipped with auto gain feature.
When enabled auto gain adjusts the gain within the default gain limits or
within the limits set in advanced register F1000370h in order to reach the
brightness set in auto exposure register as reference.
Increasing the auto exposure value (aka target grey value) increases the
average brightness in the image and vice versa.
The applied algorithm uses a proportional plus integral controller (PI control-
ler) to achieve minimum delay with zero overshot.
The following tables show the gain and auto exposure CSR.
Note
L
Configuration
To configure this feature in an advanced register: See Table
131: Advanced register: Auto gain control on page 274.
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