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Cov_amccowan
Regular Visitor

Problem with Model recognising Zero and letter O.

Hi, 

 

We have an issue where the model doesn't differentiate between 0 (zero) and O (letter o) and also 1's and I's in a table. Is there any way to improve this issue with out changing the document? An example is attached below. 

 

Cov_amccowan_0-1656501038065.png

 

4 REPLIES 4
JoeF-MSFT
Power Apps
Power Apps

Hi @Cov_amccowan - thank you for sharing this example.

 

Unfortunately, there's no option today to correct wrongly detected characters. 

 

Is there a way for you to build a rule to detect if the extracted code is correct or not, and if not raise an alert for human review?

Cov_amccowan
Regular Visitor

Hi, 

 

We do have a process that catches a wrong code but unfortunately there are limited cases where a correct code on the document could be read and converted to a different correct code when processed. 

 

After taking a further look what's interesting is that I didn't realise the slashed 0 wasn't on the original document and using the quick test of the model it seems to get it correctly at first then when it puts it into the table it is at this point where it goes wrong. Hopefully these images should help show:

 

Original Document:

 

Cov_amccowan_0-1656590185978.png

 

On Quick test view:

Cov_amccowan_1-1656590230204.png

 

When opening the table in quick test view (where it goes wrong): 

Cov_amccowan_2-1656590261814.png

 

JoeF-MSFT
Power Apps
Power Apps

Thank you for sharing @Cov_amccowan. On the first screenshot, even at the human eye I'd say that the code finishes in 009 and not O09 👀

 

JoeFMSFT_0-1656621272959.png

 

With the slashed 0 it becomes easier for the human eye, but still challenging for the AI today.

Cov_amccowan
Regular Visitor

I agree! The way I confirmed it was using a pdf voice reader. 

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