Inspecting With The Shape Search Ii Inspection Item; Shape Search Ii Inspection Item - Omron FQ2-S/CH Series User Manual

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4-10 Inspecting with the Shape Search II Inspection Item

This inspection item is used to search for the portion of the input image that most closely resembles an image

pattern that is called a model. The model is registered in advance based on a characteristic feature of the

measurement object.

You can output the correlation, which tells how closely the portion of the image matches the model. You can

also output the position of the measurement object and the angle of the measurement object. For the normal

Search inspection item, a model that concentrates on the color and brightness of the image pattern is used, but

in the Shape Search II, a model that concentrates on the outline information is used.

This inspection item enables robust, high-speed, high-precision detection of models even when lighting is

reflected from the workpieces, when the shapes of the workpieces are inconsistent, when the orientation of the

workpieces change, when noise is superimposed, when part of the image is blocked, or when there are other

fluctuations in the environment.

Sample Settings

(desired image pattern)

Search region (region to

search for the model)

FQ2-S/CH User's Manual

Sample Measurement

Search for sections that are similar to the model.