B. R., R. . and H. K., Y. . (2023) “Focus Challenge Based Presentation Attack Detection in Face Authentication Systems Using Generative Adversarial Network”, International Journal of Intelligent Systems and Applications in Engineering, 11(4), pp. 323–334. Available at: https://ijisae.org/index.php/IJISAE/article/view/3529 (Accessed: 22 July 2024).