The transition from the rectangular waveguide to the cavity coupler in LINACis made by means of a matching iris, which leads to amplitude and phase asym-metries of fields in the cavity coupler.
电子直线加速器的腔式耦合器通过侧面匹配膜片和方波导相连,它引起了腔中场振幅和相位的不对称。
A personal identification system based on iris patterns is composed of iris image acquisition, image preprocessing, feature extraction and coding, matching and recognition.
基于虹膜的识别系统由以下几个部分构成:虹膜获取、虹膜图像预处理、虹膜图像特征提取、匹配与识别。
To overcome the deficiencies of the existing recognition algorithms, this thesis has studied the iris image preprocessing and the feature matching.
本文针对现存的虹膜识别算法中的不足之处,对虹膜识别系统中的图像预处理过程和特征匹配过程进行了深入研究。
The system based on iris is composed of iris image acquisition, image preprocessing, feature extraction and matching.
基于虹膜的识别系统由以下几个部分构成:虹膜获取、虹膜图像预处理、虹膜图像特征提取、匹配与识别。
This paper proposes an algorithm of iris automated identification and a method for rectification of geometric distortion of iris image. The matching result is measured by the relative coefficient.
提出了虹膜自动身份识别的算法及虹膜图像几何畸变的校正方法,最后用相关系数来测度图像的匹配结果。
The paper discusses the methods of iris location and image enhancement, and proposes a phase matching algorithm to recognize and identify iris.
此文讨论了虹膜图像定位、增强等预处理的方法,并提出了一种相位相关的匹配算法对虹膜图像进行识别和判断。
A typical iris recognition system includes iris imaging, iris location, iris recognition and pattern matching.
虹膜识别系统主要包括了图像采集、虹膜定位、虹膜识别和模式匹配四个部分。
Iris recognition system consists of image capturing, iris segmentation, iris normalization and enhancement, feature extraction and matching modules.
虹膜识别系统一般由图像采集、虹膜分割、归一化及图像增强、特征提取及编码和匹配识别几个部分组成。
Iris recognition process is divided into image preprocessing, feature extraction and matching identification.
虹膜识别过程主要分为图像预处理、特征提取和匹配识别。
The LBP16, 4 operator is used to extract iris texture features, and the parameter of improved standard deviation of offset means is constructed for iris matching.
该方法使用LBP16,4算子来提取虹膜的纹理特征,并构造了改进的移位均值标准差参数进行匹配。
The LBP16, 4 operator is used to extract iris texture features, and the parameter of improved standard deviation of offset means is constructed for iris matching.
该方法使用LBP16,4算子来提取虹膜的纹理特征,并构造了改进的移位均值标准差参数进行匹配。
应用推荐