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audio_captcha [2010/01/28 11:23] nishimotzaudio_captcha [2010/01/28 12:00] nishimotz
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 ====== Audio Captcha ====== ====== Audio Captcha ======
 +
 +Notice: this is a draft of unpublished working paper by Takuya Nishimoto.
 +
 +Part of the work is published in Japanese.
 +
 ===== References ===== ===== References =====
  
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 Within the CAPTCHA tasks, the difference of recognition performance between human and machine can be used as a criterion of the safeness. Within the CAPTCHA tasks, the difference of recognition performance between human and machine can be used as a criterion of the safeness.
  
 +Viewied from another side, mental workload for human in listening audio CAPTCHA tasks has not been investigated very much.
 +
 +Design method of CAPTCHA task in consideration of safety and ease-of-use is described in this paper.
audio_captcha.txt · Last modified: 2010/01/28 00:00 (external edit)
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