论文标题
虹膜认可:固有的二项式自由度
Iris Recognition: Inherent Binomial Degrees of Freedom
论文作者
论文摘要
通过首先从虹膜中提取一组特征,编码,然后比较这些编码的特征集以确定它们彼此之间的区别,从而测量了人类虹膜的独特性。例如,约翰·道格曼(John Daugman)在244个自由度下衡量了人类虹膜的独特性,也就是说,达格曼(Daugman)的编码鸢尾花的编码相当于2 ^ 244的不同可能性[2]。本文通过直接像素的直接像素对高质量虹膜图像的比较表明,与任何编码无关的人IRIS体现的固有的自由度数量至少为536。当这些图像的分辨率逐渐减少时,自由度的次数逐渐减少,对于较低的分辨率图像,自由度降低至123。
The distinctiveness of the human iris has been measured by first extracting a set of features from the iris, an encoding, and then comparing these encoded feature sets to determine how distinct they are from one another. For example, John Daugman measures the distinctiveness of the human iris at 244 degrees of freedom, that is, Daugman's encoding maps irises into the equivalent of 2 ^ 244 distinct possibilities [2]. This paper shows by direct pixel-by-pixel comparison of high-quality iris images that the inherent number of degrees of freedom embodied in the human iris, independent of any encoding, is at least 536. When the resolution of these images is gradually reduced, the number of degrees of freedom decreases smoothly to 123 for the lowest resolution images tested.