As a near ideal biometric, iris authentication is widely used and mobile acquisition
techniques are known. But iris acquisition on handheld imaging devices, such as …

In this paper, a tunable filter bank is proposed to extract region based features from non-
cooperative iris images. The proposed method is based on half band polynomial of 14th …

Information technology is rapidly develo**, thereby highlighting the need for new
protection mechanisms to ensure the authenticity and integrity of communication information …

Iris recognition is an emerging noninvasive biometric technology. The iris is very suitable for
the verification and the identification of humans due to its distinctive and stable spatial …

The human iris has proved to be one of the most reliable biometric features for the
identification of individuals. Real-time iris recognition requires high quality images that …

Unique Objects (UNOs) are relevant for real-world applications such as anti-counterfeiting
systems. In this work, cork is demonstrated as a UNO, part of the Physical Unclonability and …

Apart from the challenges in implementing a high performing, easy-to-use iris recognition
system on hand-held devices, the wide spread use of such a technology faces some …

One iris recognition algorithm, based on fractal dimension, was presented. Utilizing
mathematical morphologic operator and parabolic mask, the iris inner edge and eyelid was …

摘要提出了一种基于极值加权**均分数维特征提取的虹膜识别方法. 针对亚洲人虹膜纹理反差弱
的特点, 设计了高分辨率虹膜采集设备; 利用形态学和圆形边缘检测算子定位虹膜 …

CAPTCHA is a simple security test that was introduced to distinguish among humans and
bots for decades. CAPTCHAs have been widely used on commercial sites, such as email …