"Four-Dimensional Usability Investigation of Image CAPTCHA."

Junnan Yu, Xuna Ma, Ting Han (2016)

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DOI: —

access: open

type: Informal or Other Publication

metadata version: 2018-08-13

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  - electronic edition @ arxiv.org (open access)
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  dblp key:
  - journals/corr/YuMH16
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Junnan Yu, Xuna Ma, Ting Han:
Four-Dimensional Usability Investigation of Image CAPTCHA. CoRR abs/1612.01067 (2016)

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