AW00123402000 Features
Basler ace USB 3.0 191
8.6 Binning
8.6.1 Binning on Monochrome Cameras
Binning increases the camera’s response to light by summing the charges from adjacent pixels into
one pixel. Two types of binning are available: vertical binning and horizontal binning.
With vertical binning, adjacent pixels from 2 rows, 3 rows, or a maximum of 4 rows in the imaging
sensor array are summed and are reported out of the camera as a single pixel. Figure 78 illustrates
vertical binning.
On all cameras, the binning feature is available on monochrome cameras only,
except the acA1920-25, where also the color camera allows binning.
For more information about color binning, see Section 8.6.2 on page 193.
For the acA1920-25um, vertical binning works in a different way:
Vertical binning by 2 and by 4:
The gray values of adjacent pixels from 2 rows or from 4 rows are averaged.
As a consequence, the signal to noise ratio will be increased while the
camera’s response to light will not be increased.
Vertical binning by 3:
The gray values of adjacent pixels from 3 rows are combined.
As a consequence, the signal to noise ratio will be decreased while the
camera’s response to light will be slightly increased.
We recommend using vertical binning by 2 or by 4.
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