e-Lekh : Stroke based text entry for Indic scripts
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Design patent : 273/BOM/2004
while working with: Media Lab Asia, IIT Bombay
More information about this piece is available at Media Lab Asia, IIT Bombay.
Stroke recognition is one of methods examined to achieve easy text entry for novice users. However, the complex strokes used for Indian consonants and their simplification for stroke-recognition ease may make the method unviable for normal users, who may have to relearn the alphabet, and the strokes may take longer time to input text. To overcome this, we tried an approach which takes advantage of the fact that the vowels and consonants can be combined to form one syllable. The vowels are very easy to draw and hence they can be used for stroke recognition, whereas, the consonants can be picked. This enables one sylablle to be entered with typically single stroke, and that too without much cognitive load on the users’ part, since they have to remember a minimum number of strokes. The strokes themselves are very close to the normal handwriting strokes, thereby leading to faster learning and retention. We developed a prototype and tested it with actual users. User testing and refinement in the methods is going on. So far it shows 40% speed gain which is encouraging.
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