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Repertuar znaków pisma nr 1 pierwszej drukarni Unglera (1510-1516) na podstawie Polonia Typographica

Bień Janusz S.

Acta Poligraphica

2021

Vol. 17

1--20

The font named by Karol Bułhak in volume III of Polonia Typographica (published in 1959) as number 1 was used only in three publications. All of tchem has been digitized and are available freely in the Internet. This allowed to confront the inventory of the font presented in Polonia Typographica with the actual texts. The surprisingly large number of discrepancies has been discovered. For some characters it is not obvious how to represent them in Unicode.

Standard Unicode i język polski

Bień Janusz S.

Acta Poligraphica

2019

Vol. 14

7--28

A short overview of the standard, together with the relevant tools and resources, is presented from the historical Polish language perspective. The notions of code space, code point, character, combining sequence, graphemic cluster, variation selectors etc. are presented or at least mentioned. A relatively new notion of textel is briefly discussed. The 15 th and 16th century treatises are used to illustrate some open problems. Various relevant Internet resources are mentioned, including those created by the author.

Two template matching approaches to Arabic, Amharic and Latin isolated characters recognition

Cowell J., Hussain F.

Machine Graphics and Vision

2005

Vol. 14, No. 2

213-232

With the establishment of commercial OCR systems for Latin text, recent research efforts have been directed at the design of recognition systems for non-Latin scripts, such as Japanese, Cyrillic, Chinese, Hindi, Tibetan, and in particular Arabic. The Unicode 4.0 standard supports 50 scripts that are used across the world, and many, such as Amharic (Ethiopic), have attracted virtually no attention from researchers. An extensive literature review reveals no papers which report on an OCR system for Amharic. This paper describes a normalised technique which can be used for recognition of isolated Arabic, Amharic and Latin characters. Two approaches are considered for identifying the characters by comparing them to a series of templates and using a signature template scheme. The degrees of similarity between pairs of Amharic, Arabic and typical Latin characters are presented in the confusion matrix, and the performance of the two approaches is compared for each of these three character sets.