pciGrabber-4x4
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PHYTEC Messtechnik GmbH 2008 L-720e_0
5.5
Crosshair function (Overlay)
Several types of crosshairs can be overlayed in the live image. This
can be useful to a center a objet in the middle of the image.
The parameters for this function can be found under the menu option
Effects
All of the cross hairs, or a combination of them , can be
overlayed in the image.
5.6
Special Functions
The demo program offers several special functions to manipulate and
analyze image contents.
•
Display Histograms
Histogram
enables a histogram to be calculated from a static
image, i.e. an image obtained using the
Snapshot
.
A histogram provides the distribution of the grey- or color values
of an image.
The relative Frequency of the corresponding intensity values are
represented by brightness, as well as the intensity (see Figure 30).
Figure 30: Histogram
