虹膜身份识别是近年来新兴的一种身份识别技术，其科学研究意义重大，应用前景 广泛。它以高精度及几乎无法伪造而成为近期国际研究及应用中一个受到特别关注的主 题，市场更是为这项技术的发展提供了广阔的舞台，与指纹识别等相比更有长处，是一 项值得研究和推广的新技术-Iris identification is the identification in recent years, a new technology, its scientific significance, prospects

A biometric system provides automatic identification of an individual based on a unique feature or characteristic posse d by the individual. Iris recognition is a part of the biometric identification methodologies which also include facial, fingerpri

In this paper we present the usefulness of the algorithm DCT (Discrete cosine Transform) blocks applied level image compression JPEG (Joint Photographic Experts Goup). It has been shown that this algorithm is the most efficient in the case of compres