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11.1.10 Binning
On digital cameras, you can find several operations for progressing sensitivity. One of
them is the so-called " Binning". Here, the charge carriers of neighboring pixels are aggre -
gated. Thus, the progression is greatly increased by the amount of binned pixels. By using
this operation, the progression in sensitivity is coupled to a reduction in resolution.
Baumer cameras support three types of Binning - vertical, horizontal and bidirectional.
In unidirectional binning, vertically or horizontally neighboring pixels are aggregated and
reported to the software as one single "superpixel".
In bidirectional binning, a square of neighboring pixels is aggregated.
Binning Illustration Example
without
2x1
Subsam-
pling 2x2
Figure 22 ►
Full frame image, no
binning of pixels.
Figure 23 ►
Horizontal binning
causes a horizontally
compressed image with
doubled brightness.
Figure 24 ►
Subsampling 2x2
causes both a hori-
zontally and vertically
compressed image