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2013-07-18 10:40
Study of CAPTCHA suitable for smartphones Mayumi Takaya (Akita Univ.), Yusuke Tsuruta (System Research), Hikari Kato, Takeshi Komatsubara, Yusuke Watanabe, Akihiro Yamamura (Akita Univ.) |
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ISEC2013-11 SITE2013-6 ICSS2013-16 EMM2013-13 |
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