• Only the right technologies which are optimised for historic font types can deliver impressive results on good quality scans.

• Low Quality images can not deliver perfect results

Sample 1 - unknown source

[docx with Recognition Server 3.0]

Example 1: Page image from: Die österreichisch-ungarische Monarchie in Wort und Bild. Vol. 1. Wien 1887, p.92.
Paper and print quality: very good.
300 dpi, 1 bit, book scanner
The page contains 2564 characters, 8 of them are not correct. This is a recognition rate of 99,68%.

[doc with FR XIX] [docx with Recognition Server 3.0]

Example 2: Page image from: Ernst Häckel: Natürliche Schöpfungsgeschichte. Berlin: 1879, p. 6.
Paper and print quality: very good
400 dpi, 1 bit, document scanner with ADF
The page contains 1856 characters, 4 of them are not correct. This is a recognition rate of 99,78%.

[doc with FR XIX] [docx with Recognition Server 3.0]

Example 3. Page image from: Anonym: Hofscheu und ländliches Heimweh. Eine Biographie. Hamburg: Heroldsche Buchhandlung 1818
Paper and print quality: low quality
300 dpi, 1 bit, book scanner
The page contains 631 characters, 13 of them are not correct. This is a recognition rate of 97,9%.

[doc with FR XIX] [docx with Recognition Server 3.0]

From the METAe project site: http://meta-e.aib.uni-linz.ac.at/ocr/ocr.html

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