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Artifact Processing - Sharp IV-S30 User Manual

Compact image sensor camera function and operation
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Ë Ë Ë Ë Ë Measurement programs which are affected by these settings
Positional deviation measurement (edge detection), lead inspection, multiple position measurement
(edge detection).

(9) Artifact processing

Artifact processing is a method of processing that eliminates the false detection of the edge of the
target object when an artifact is in the line being scanned. This process can be used during edge
detection. The real edge of the target object is detected by computing the average duration of the
dark area in the scan line, which is much longer for a target object than for an artifact.
Ë Ë Ë Ë Ë Example of detection
- An example of light to dark averaging (DTCT MODE:BRT→ DRK) while scanning horizontally
(SEARCH DIR:HORIZ →), with artifact processing (enabled) (ARTIF).
Edge detection point
(with artifact processing: enabled)
When artifact processing is disabled (NO ARTIF) in the above example, the edge detection point
changes.
Edge detection point (with artifact processing off)
Ë Ë Ë Ë Ë Measurement programs which are affected by these settings
Positional deviation measurement (edge detection), lead inspection, and multiple position
measurement (edge detection).
Setting the Conditions for Each Object Type
3-13
Duration of dark area
in the line scan
Average light (vertical)
3

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