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Line Acquisition Modes
Basler sprint Mono Cameras
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3.8
Horizontal Binning
Horizontal binning is not a discrete line acquisition mode. Rather it is a function that can be used
together with any of the other line acquisition modes described earlier in this section.
When horizontal binning is enabled, adjacent pixels a sensor line are summed and the sum is
transmitted as a single pixel value.
For example, for Line A:
Pixel 1 and pixel 2 in line A are summed and the sum is transmitted as a single pixel value
Pixel 3 and pixel 4 in line A are summed and the sum is transmitted as a single pixel value
And so on.
And for Line B:
Pixel 1 and pixel 2 in line B are summed and the sum is transmitted as a single pixel value
Pixel 3 and pixel 4 in line B are summed and the sum is transmitted as a single pixel value
And so on.
Note that when horizontal binning is used with single line acquisition mode, only Line A is used and
only the binned pixels from Line A are transmitted.
With horizontal binning is enabled, each pair of "binned" pixels effectively becomes a single pixel.
This means that with binning enabled, the effective resolution of a sensor is halved: For cameras
with 8192 pixels in each sensor line the effective resolution becomes 4096, for cameras with 4096
pixels in each sensor line the effective resolution becomes 2048, and for cameras with 2048 pixels
in each sensor line the effective resolution becomes 1024. This reduced resolution has an impact
on the way that the camera’s area of interest feature is set. For more information about the AOI
feature, see Section 6.2 on
.
Figure 25 illustrates horizontal binning.
Fig. 25: Horizontal Binning
The physical pixels in each line of the sensor are 10 µm (H) x 10 µm (V). With horizontal binning
enabled, the effective pixel size becomes 20 µm (H) x 10 µm (V). Some users may find the effective
20 µm x 10 µm pixel size to be objectionable because the effective pixel is no longer square. Note
that if you use the horizontal binning feature together with the camera’s vertical binning acquisition
mode, the effective pixel size will become 20 µm (H) x 20 µm (V). In this situation, you will get a
response that is approximately four times higher than normal, and you will have a square pixel size.
For more information about the vertical binning acquisition mode, see Section 3.4 on
Line B
Line A
= Pixels Summed and
Transmitted as
a Single Value
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