Datalogic matrix 450N, Reference Manual

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MATRIX 450N™ REFERENCE MANUAL
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7
Image Filter
Sets the filter to be applied to the image before being processed. This parameter can be
used to successfully decode particular ink-spread printed codes (ex. direct part mark codes).
Different filters can be applied to a single code or group of codes in one or more
Image
Settings .
See the DL.CODE User’s Manual for examples of Image Filter application.
The
Erode Filter enlarges the image dark zones to increase readability.
Before - No Read After - Readable
Erode
The
Dilate Filter enlarges the image white zones to increase readability.
Before - No Read After - Readable
Dilate
The
Close filter eliminates dark areas (defects) in the white zones of the image.
Before - No Read After - Readable
Close