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Logo on Application

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Hello to all.

First of all thanks a lot for reading this post and being able to help.

 

I would like to do an application which simply has to recognize Logos.

So the structure is the next:

1-User has to take a template (which Labview has to compare if the Logo is like the template).

-If the next image is not like the template, then red light.

-If the next image is like the template, then green light.

 

I think that the best way is to use a comparision between image and a template. but I don't know if there is a better way. Is there?

 

Thanks a lot.

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Solution
Accepted by GerdW
If you have Vision Module, check Pattern Matching examples.
-Does the logo contain characters only or some extra graphic or image?
-Can you provide samples?
Thanks
uday
Message 2 of 11
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Hello, thanks a lot for replying:

I answer your questions:

1- Logo can contain characters and extra graphic or image.

 

This application is for detect any logo that user wants.

Some of those logos can be the next:

Resultado de imagen de logosResultado de imagen de logosResultado de imagen de logos

For examples...

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Hi A.,

 

This application is for detect any logo that user wants.

Write an interface VI to upload your "logo images" to Google's image search engine: https://www.google.com/imghp

Then check the search results… 😄

Best regards,
GerdW


using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019
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Thanks for replaying.

I do not understand your answer.

 

Thanks.

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Hi A.,

 

from your task description you need to analyze ANY KIND OF image. This might be problematic as the target of "pattern recognition" usually is to compare an image with a previously known set of patterns!

On the other hand Google already can "recognize" ANY KIND OF image, so all you need to create is an interface to their website/image search engine… 😄

Best regards,
GerdW


using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019
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I think I didn't explain really good.

 

First user create a template of the logo and then the pattern matching compare with that template.

 

That I meant is that logo can be anyone of them but user has to create a template.

 

Do I explain well?

 

thanks a lot.

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Message 7 of 11
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Hi A.,

 

now you explained your task a little better.

See message #2 and use IMAQ PatternMatching functions…

Best regards,
GerdW


using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019
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Thanks! PatternMathing works for this!

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Message 9 of 11
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Hi A.,

 

you surely wanted to mark udka's message as solution, not my comment on it.

I did this for you… 😄

Best regards,
GerdW


using LV2016/2019/2021 on Win10/11+cRIO, TestStand2016/2019
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