N. R. W. W. M. R. D. Wickramasingha, H. B. R. A. K. R. A. M. Keerawella, S. A. N. Samarasinghe, Roshan G. Ragel. RotateCAPTCHA a novel interactive CAPTCHA design targeting mobile devices. In 10th IEEE International Conference on Industrial and Information Systems, ICIIS 2015, Peradeniya, Sri Lanka, December 18-20, 2015. pages 49-54, IEEE, 2015. [doi]
Abstract is missing.