1 Introduction: 2 A system to compare a reference image of a text character, word or phrase with another image of the character, word or phrase that was rendered by a text rendering engine. Differences between the reference image and the rendered image may be recorded for subsequent analysis. Performance of a text rendering engine producing text according to typographical rules applicable to a natural language can be evaluated by one with no knowledge or ability to read the natural language 3 4 5 COPYRIGHT: Red Hat Inc. 2010 6 7 license: this project is under MIT license 8 9 10 AUTHORS: 11 Lawrence Lim 12 Satyabrata Maitra 13 Amanpreet Singh Brar 14
