论文标题
使用日志滤波器及其零交叉的快速准确的虹膜分割方法
A fast and accurate iris segmentation method using an LoG filter and its zero-crossings
论文作者
论文摘要
本文提出了一种基于高斯（Log）滤波器，区域生长和对数滤波器的零交叉的laplacian，以实现虹膜定位的混合方法。在建议的方法中，使用区域生长的对数滤波器用于检测学生区域。随后，使用对数滤波器的零交叉用于准确标记内部和外圆边界。使用基于对数的斑点检测以及零交叉的使用使内部和外圆的检测快速而健壮。提出的方法已在三个公共数据库上进行了测试：MMU版本1.0，CASIA-IRISV1和CASIA-IRISV3-灯。实验结果证明了该方法的分割精度。在存在噪音的情况下，还验证了所提出的方法的鲁棒性，例如睫毛，瞳孔，泊松，高斯，斑点和盐和盐噪声的反射。与知名方法的比较证明了该方法的准确性和速度的出色性能。
This paper presents a hybrid approach to achieve iris localization based on a Laplacian of Gaussian (LoG) filter, region growing, and zero-crossings of the LoG filter. In the proposed method, an LoG filter with region growing is used to detect the pupil region. Subsequently, zero-crossings of the LoG filter are used to accurately mark the inner and outer circular boundaries. The use of LoG based blob detection along with zero-crossings makes the inner and outer circle detection fast and robust. The proposed method has been tested on three public databases: MMU version 1.0, CASIA-IrisV1 and CASIA-IrisV3- Lamp. The experimental results demonstrate the segmentation accuracy of the proposed method. The robustness of the proposed method is also validated in the presence of noise, such as eyelashes, a reflection of the pupil, Poisson, Gaussian, speckle and salt-and-pepper noise. The comparison with well-known methods demonstrates the superior performance of the proposed method's accuracy and speed.
