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Is there any research on zonal OCR / field level ORC / template OCR?

Data Science Asked on December 9, 2021

I’ve recently found the term "Zonal OCR": (source 1, 2, 3, 4). It seems to be essentially OCR, but restricted to relevant parts of the document.

The interesting task about which I want to learn more is how to find those zones automatically. How is this called? Is this a field of research? Could you point me to a publication so that I can start learning about this topic?

("Field Level recognition" and "Template OCR" seems to be a synonym for zonal OCR)

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