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How can i train OCR characters through labview

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Accepted by topic author PBP

Hi Fadi,

 

I am attaching my code for reference.

 

Regards,

Prashant Patel

PBP
Labview 6.1 - 2019
Message 11 of 25
(2,441 Views)

 

Hello,

 

Is it possible explain your code, please!?

 

 

Regards

PBF

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Message 12 of 25
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Hi,

Let me know what kind of explenation is required. Code or functionality?

Regards

PBP
Labview 6.1 - 2019
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Message 13 of 25
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Hello,

I want to train numbers and letters. They are point to point. I've attached a sample.

I have two questions that I would be appreciate if you answer these questions.

How can I use your code to get the best results?

If possible, give a brief description about your code?

 

Yours sincerely

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Message 14 of 25
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Dear PBP

Thank you for your reply. Is it possible explain your functionality? I can't good training my character ?

Sincerely

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Message 15 of 25
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Hello Tandis,

 

If you want to read your Images, at first you need to create OCR file. Once it is done, you can read your images.

Pls check example in NI VISION,

C:\Program Files (x86)\National Instruments\LabVIEW 2014\examples\Vision\OCR\OCR.vi

 

Sample VI as per your image:

OCR.png

 

Munna
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Message 16 of 25
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Dear Munna

Thank you very much for your reply. But my problem isn't solved. I understand the ocr code and it's functionality. I can't understand the training code,well!!

To use the training code, I would try the following two way, but i can"t get result.

1- When the image is called, and the system detects an area around each character that is marked in red (picture 1) , I put the actual amount all of characters in (CORRECT TEXT) and push ok button. But in The (OCR RESULTS) , No results not shown (picture 2)

 

2-  When the image is called, and the system detects an area around each character that is marked in red (picture 1), I would choose an area around a character  that is marked in green, then i put the  actual amount of character in (CORRECT TEXT) and push ok button (picture 3,4). 

In this way, I see my teached character in (OCR RESULTS) and (TEACHED CHARACTERS)(picture 4). But after the way, the code cannot recognize red zone around the characters.( picture 5)

 

Sincerely

 

 

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Message 17 of 25
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Please post some images.

Munna
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Message 18 of 25
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Please check this.

 

I used same images which you shared. I can read all character from given images.

 

Munna
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Message 19 of 25
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Dear Munna

I attached 3 pictures. but Please explain how you use TRAINING code؟؟؟؟؟

I use your .abc file and try that extend your training with another pictures. but I'm not successful.

 

sincerely

Tandis

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Message 20 of 25
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