Optical character recognition quality affects perceived usefulness of historical newspaper clippings

no code implementations • 1 Jun 2022 • Kimmo Kettunen, Heikki Keskustalo, Sanna Kumpulainen, Tuula Pääkkönen, Juha Rautiainen

We were able to show that improvement in optical character recognition quality of documents leads to higher mean relevance evaluation scores of query results in our historical newspaper collection.

Information Retrieval Optical Character Recognition +2

OCR quality affects perceived usefulness of historical newspaper clippings -- a user study

no code implementations • 4 Mar 2022 • Kimmo Kettunen, Heikki Keskustalo, Sanna Kumpulainen, Tuula Pääkkönen, Juha Rautiainen

The query interface was able to present the same underlying document for the user based on two alternatives: either based on the lower OCR quality, or based on the higher OCR quality, and the choice was randomized.

Information Retrieval Optical Character Recognition +2