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2026-10-20, Week 43
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Virual Oral Question and Answer
IEEE/ICACT20260199 Question.11
Questioner: gonghao23@mails.ucas.ac.cn    2026-02-23 오후 11:05:14 		IEEE/ICACT20260199 Answer.11
Answer by Auhor s.aladhadh@qu.edu.sa   2026-02-23 오후 11:05:14
On Accessibility Limitations: The study reports that visually impaired participants achieved only a 56.2% accuracy rate, which, while better than the audio CAPTCHA baseline (48.18%), remains considerably lower than sighted users (65.45%). Given that the core purpose of the audio channel is to serve visually impaired users, what design modifications — beyond accent localization and background noise — could meaningfully close this accuracy gap without compromising security?

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