Binning - Photon Focus MV3-D640I-M01-144-G2-12 User Manual

9 Pixel Data Processing

9.5 Binning

9.5.1 Description
Binning sums the pixels in subsequent columns and rows, according to the binning
configuration. The result is then divided by the number of binned pixels. The binning feature
will result in images with lower resolution but significantly higher SNR. For instance, 2x2
binning will result in roughly twice the SNR (in bright areas of the image).
Binning is done in the digital domain of the camera.
Fig. 9.16 shows a schematic of 2x2 binning: pixels in a 2x2 neighbourhood (displayed as pixels
with the same color in the schematic) are binned together: their intensity values are summed
and divided by four. The output image has half the height and half the width of the input
image.
Figure 9.16: Example of 2x2 binning
9.5.2 Camera settings
The camera supports binning settings of 1, 2, 4 or 8 in horizontal and vertical direction. The
relevant parameters for binning are shown in Table 9.3.
Property
BinningHorizontal
BinningVertical
Binning_Bitshift
Height
Width
Table 9.3: Binning parameters
Binning might increase the maximal frame rate if it is currently limited by the setting of the
maximal data rate (MaxDataRateInterface).
9.6 Crosshairs
9.6.1 Functionality
The crosshairs inserts a vertical and horizontal line into the image. The width of these lines is
one pixel. The grey level is defined by a 12 bit value (0 means black, 4095 means white). This
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O u t p u t I m a g e
5 e n s o r I m a g e
Type Description
Integer Number of pixels combined in binning in horizontal
direction.
Integer Number of pixels combined in binning in vertical direction.
Integer Additional left bitshift after binning (overflow is ignored)
Integer Height of the output image.
Integer Width of the output image.
MAN076 09/2017 V1.0