Sulaeman, Defiana, Anto Satriyo Nugroho, and Maulahikmah Galinium. “Iris Segmentation Using Gradient Magnitude and Fourier Descriptor for Multimodal Biometric Authentication System”. Journal of ICT Research and Applications 10, no. 3 (October 31, 2016): 209-227. Accessed October 5, 2025. https://journals.itb.ac.id/index.php/jictra/article/view/1542.