Machine Vision

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NI VISION

Hi,

 

I would like to detect printing using map defects function. However, map defects unable to give a stable reading of largest defect area. Is there any method or feature to inspect printing with stable measurement?

 

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Message 1 of 5
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Im not sure what you mean by Map Defects Function. We can discuss further; do you have representative images?

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Message 2 of 5
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Hi,

 

Attached here is the sample image. My objective is to check whether there are any defects on the printing such as scratches or ink. Currently I use Map Defects feature in Vision Builder software however, the value of largest defect area is unstable. Therefore, I would like to use other method to inspect and get a stable measurement.

 

Thank you.

 

 

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What about using golden image to compare? 

If you have known Golden image of the printing from a good sample you could compare to the good image and find the differences. 

Amit Shachaf
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I think Amit's idea of a golden image is a good approach.  I don't use Vision builder, it has traditionally had a limited tool set, which is frustrating, when I'm used to the full range in the Vision Development System.

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