History of identification of humans is as old as human beings. Passwords, PINs and Keys are obsolete methods of authentication. Biometrics is the new language of security in this digital age. On Technological fronts, Iris, Face and Fingerprints have outperformed the classical methods of authentication being more secure, unique and reliable. This work presents the segmentation and normalisation of iris as integral part of the process of human authentication. ukryj opis