The format of NI Vision Assistant save PNG for Pattern Match

[ray0116]

I want to programing a interface to learn a image, and it can use pattern match dynamic ( for job ) .

so I use IMAQ Write PNG File to save a PNG File , and use it to pattern match. But it show some massage mean the format not suit.

Anybody know this situation. And can help me. Thks.

[Laurent Genilloud]

I want to programing a interface to learn a image, and it can use pattern match dynamic ( for job ) .

so I use IMAQ Write PNG File to save a PNG File , and use it to pattern match. But it show some massage mean the format not suit.

Anybody know this situation. And can help me. Thks.

Hello,

You cannot simply use IMAQ write PNG file to save a pattern image. The pattern image file must contain pieces of information concerning the pattern itself. You must acquire and image learn the template (with the appropriate VIs) and save the learned image in a .png file.

Regards

Loranger