FISCHER FISCHERSCOPE X-RAY XDLM 231, Operator'S Manual

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172 FISCHERSCOPE ® X-RAY
Pattern Recognition (XDLM 237)
21.2 Settings and their Meaning
To start the pattern recognition, select Video > Pattern matching in the menu bar or click the
icon.
The pattern recognition window appears. The settings have the following meaning:
All settings for the pattern recognition are valid for one product. You can assign every
product its own settings for pattern recognition.
The settings apply to the current image number, i.e. you can make separate settings for
each image.
Setting/parameter Meaning
Move to saved xy-coordinates When you have programmed XY coordinates and activated
With progr. XY-Pos. , move to a measuring position with these
command buttons. You can make all the pattern recognition
settings for this measuring position.
All pattern recognition settings apply to the current measuring
position/image number, i.e. you can save a separate image
and separate settings for the measuring position.
1. Position
Next Pos.
Prev. Pos
Pos.
Find Starts the pattern recognition, searches for the next image.
Take new picture Transfers the video image of the camera to the pattern recog-
nition.
Error value Shows the error, the deviation between the defined search
item and the found search item.
With progr. XY-Pos. When you have programmed XY coordinates, activate this
option to save a search item for each XY position.
On measure, find automatically When this is activated, the pattern recognition is started
before each measurement, and the icon of the command
button changes:
Algorithms
Mode Selection of the search algorithm; you can find the right one
for your measuring application through trial and error.
Center weight If the search area contains several similar images, you can set
whether and how much the item near the crosshairs should be
preferred.
Error check Defines the threshold for the permissible deviation between
the defined search item and the found item. When the
threshold is exceeded, a window with a warning appears.
Use picture no. / Change Shows the currently saved, valid image number for the XY
position.
Change Allows you to assign a different image to
the current XY position.