We introduce an approach for classifying a deformed letter from the English alphabet based on its legibility. Given an image of a deformed letter d, our method proposes the use of the filtered medial axis (i.e. strokes) as its simplified representation, from which we can compute a feature vector. Based on the anatomy of the letter d we identify the strokes as: ascender, descender and counter. F...

Nowadays, mobile phones are very popular in the world. The use of text email with short message service (SMS) is spreading. In this study, we evaluated the legibility of characters on the liquid crystal displays of mobile phones. When characters are small, younger people assure readability by shortening the viewing distance. However, elderly people find it far more difficult to see small charac...

ClearType is an onscreen text rendering technology in which the red, green, and blue sub-pixels are separately addressed to increase text legibility. However, it results in colored borders on characters that can be bothersome. This paper describes five experiments measuring subject preference, text legibility, reading performance, and discomfort symptoms for five implementation levels of ClearT...

The process by which humans distinguish visually between letters of the alphabet is a matter of considerable theoretical and practical interest. On the theoretical side, it is a classical problem in psychology, and has served as a test case for numerous theories of feature analysis and pattern recognition. On the practical side, it is relevant to the effective design of any textual display. Fur...

Dysgraphia is a condition related to issues with children’s writing skills that do not follow typical skill development prominent dissimilarity the of their peers. In an effort facilitate children learning write, prototype designed and developed. A user-based evaluation performed by comparing samples handwriting before after prototype-assisted intervention base...

Psychophysical research on text legibility has historically investigated factors such as size, colour and contrast, but there has been relatively little direct empirical evaluation of typographic design itself, particularly in the emerging context of glance reading. In the present study, participants performed a lexical decision task controlled by an adaptive staircase method. Two typefaces, a ...

This paper examines the potential relationship between free-form handwriting (i.e., unstructured ways of writing words, phrases, or sentences by hand) and two sociolinguistic variables: the writer’s (1) age and (2) gender. While the accuracy of “gender guessing” or gender identification (e.g., Grieve, 2010; Al-Suwaiyan, 2010; Johnson, 2013) has been the focus in previous studies, this explorato...

Augmented Reality is a promising technology for the product lifecycle development, but it is still not established in industrial facilities. The most relevant issues to be addressed relate to the ergonomics: avoid the discomfort of Head-Worn Displays, allow the operators to have free hands and improve data visualization. In this work we study the possibility to use projection-based Augmented Re...

OBJECTIVES To understand the incidence and types of medication prescribing errors in a low resource setting ophthalmology clinic and to determine the impact of a preprinted prescription based on the hospital formulary (FormularyScript) on medication prescribing errors. DESIGN Non-randomised interventional study. SETTING Ophthalmology clinic in a teaching hospital in northeast Thailand. PA...