Name
Abstract | ||
|---|---|---|
Braille has paved its way into mobile touchscreen devices, providing faster text input for blind people. This advantage comes at the cost of accuracy, as chord typing over a flat surface has proven to be highly error prone. A misplaced finger on the screen translates into a different or unrecognized character. However, the chord itself gathers information that can be leveraged to improve input performance. We present B#, a novel correction system for multitouch Braille input that uses chords as the atomic unit of information rather than characters. Experimental results on data collected from 11 blind people revealed that B# is effective in correcting errors at character-level, thus providing opportunities for instant corrections of unrecognized chords; and at word-level, where it outperforms a popular spellchecker by providing correct suggestions for 72% of incorrect words (against 38%). We finish with implications for designing chord-based correction system and avenues for future work. |
Year | DOI | Venue |
|---|---|---|
2014 | 10.1145/2556288.2557269 | CHI |
Keywords | Field | DocType |
instant correction,input performance,novel correction system,chord typing,chord-based correction system,blind people,present b,faster text input,multitouch braille input,unrecognized character,error correction,chord,mobile | Computer graphics (images),Computer science,Touchscreen,Error detection and correction,Human–computer interaction,Chord (music),Braille | Conference |
Citations | PageRank | References |
10 | 0.62 | 5 |
Authors | ||
5 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Hugo Nicolau | 1 | 381 | 34.33 |
| Kyle Montague | 2 | 147 | 21.54 |
| Tiago Guerreiro | 3 | 366 | 45.90 |
| João Guerreiro | 4 | 93 | 13.42 |
| Vicki Hanson | 5 | 635 | 65.13 |