Bio metric technology has been widely used in the current world. And among these, Iris has become a mainstream means of biometrics due to its uniqueness, reliability and non-invasive. As we know, Iris recognition is very common in daily attendance, identity authentication, data encryption, e-commerce, e-government systems, etc. It comes with great convenience to our daily life and also receives a favorable review because of its easy-of-use, fast identification, and low recognition rate of errors. In contras...