34
Brightness Correction (
9.1.10
Binning Correction)
Aggregation of charge carriers may cause an overload. Binning correction was introduced
to prevent this. Here, three binning modes need to be considered separately:
Binning
Realization
1x2
1x2 binning is performed within the sensor, binning correction also takes
place here. A possible overload is prevented by halving the exposure time.
2x1
2x1 binning takes place within the FPGA of the camera. The binning cor-
rection is realized by aggregating the charge quantities, and then halving
this sum.
2x2
2x2 binning is a combination of the above versions.
Charge quantity
Binning 2x2
Super pixel
Total charge
quantity of the
4 aggregated
pixels
Figure 21 ►
Aggregation of charge
carriers from four pixels
in bidirectional binning.
Summary of Contents for USB3 Vision
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