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OCR issues for some comboboxes

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Posted on by DavidValencia

Hello there,

Does anybody else having problems with some comboboxes while using the OCR capabilities in Power Automate Desktop? I don't know why but it worked for another combobox just before failing with this other one and i don't get it honestly. I'm using the "move cursor to text" feature, and I'm doing everything that i found on the forum before writing this message, which includes increasing image to 2-3 for the ocr to work better, limit the

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AS-06081019-0 1,738 Super User 2024 Season 1 on at

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It could be the background blue color causing the issue, try taking an image without selecting 2022.

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DavidValencia 23 on at

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Hello @Ankesh_49,

The problem is that, once i've pressed the button that makes this window pop up, it already shows up highlighted or selected. It happened as well for the other combo.

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Pavel_NaNoi 1,074 on at

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OCR is tricky as hell, I'd recommend to use UI Elements extraction methods instead if possible, I've had issues where OCR can easily find any time text from 00:00 - 59:99 from a perfect image, but can't find 1:00:00 - 99:99:99 for the life of it.

I'd say in your case you probably need to have different OCR image widths & heights for different combo boxes as they have different font sizes.

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DavidValencia 23 on at

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I captured the exact pixels where the information begun, but while debugging with "Extract text with OCR" i found that, even if you captured the search area precisely, said method would take more circundant information, that is 10 pixels more to the right and 10 less to the left (X-axis). The Y-axis was alright, nontheless i gave it a little more room to work and it helped a lot performance wise, no need to read the entire screen again, and precision wise, even if it detected the searched text in the entire screen sometimes it would confuse words with ones in the background and so.

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