Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2020/04/01 Vol. E103-DNo. 4 ;
pp. 879-882 Type of Manuscript: LETTER Category: Information Network Keyword: CAPTCHA, adversarial example, machine learning, deep neural network,
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 2018/02/01 Vol. E101-DNo. 2 ;
pp. 543-546 Type of Manuscript: LETTER Category: Information Network Keyword: CAPTCHA, generative adversarial network, deep convolutional network,
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/01/01 Vol. E90-ANo. 1 ;
pp. 179-186 Type of Manuscript: Special Section PAPER (Special Section on Cryptography and Information Security) Category: Application Keyword: reverse turing test, CAPTCHA, secure shell, password authentication,