Even in a very clear image of English text in a sans-serif font such as Helvetica, OCR produces numerous artifacts and recognition errors. And many of those don't show up as 'suspects' and may not be visible in Edit mode — only when exported as text. Results are way below what I could get from separate OCR 10 years ago.
How can I get more usable text recognition?
Sometimes. It also involves characters within a word being overlapped and mis-recognized characters.
When I try the 'overlapped text.png’ and try to review the text, it says there are no suspects. What settings do you want to know?
If you run OCR using 'Editable text & Images', it won't show any suspect. You can go to edit PDF tool and change any word.
Otherwise after running OCR, click 'Review recognize text' checkbox. Now you can make any word as a suspect by double clicking on it. Enhance Scan/Recognize Text>Correct recognize text> Review recognize text.
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