Iris image compression algorithm based on symmetry and fractal coding
基于对称分形的虹膜图像压缩算法
A kind of iris image acquisition system is proposed based on floating-point DSP chip TMS320VC6711.
提出了一种基于红外光源的、以浮点DSP芯片TMS320VC6711为核心的虹膜图像采集系统,介绍了其工作原理、软硬件设计与实现。
According to characteristics of the iris image and the principle of the maximum entropy,we first get the maximal edge of iris by translating the image into another which consists of three gradations;then apply the Daugman algorithm to locating iris.
针对虹膜图像自身的特点,先利用最大熵的方法把虹膜图像分成3个灰度等级,使虹膜最大限度的呈现出内外边界,然后在此基础上运用Daugman提出的虹膜定位算法能更有效地定位虹膜。
The structures of flow and vortices, especiallyt separated flow, on and near the blade surfaces of an annular compressor cascade under different incidences have been studied based on the oil-film images obtained in an experiment.
2“）叶片压力面和吸力面上的油膜图像。
Research on Fast Iris Localization and Iris Image Quality Assessment Algorithms;
虹膜快速定位及虹膜图像质量评估算法研究
Research on the Methods for Iris Localixation and Extraction of the Feature;
虹膜图像处理与特征匹配算法的研究
The Research on Low-quality Iris Image Registration
针对低质量虹膜图像的配准方法研究
Assessment of Iris Image Quality Based on Wavelet-based Contourlet Transform
基于WBCT的虹膜图像质量评价方法
Research on watermarking of iris images in Radon domain
Radon域虹膜图像数字水印研究
The iris image and lamination is very clear. It reaches the demand of iris recognition image.
由此装置获得的虹膜图像，纹理清晰，图像清楚，达到了虹膜识别的图像要求。
The unitary iris image is carried out through the transformation from Cartesian coordinates to polar coordinates.
然后采用极坐标转换对虹膜图像进行归一化。
A Study on an Integrated Quality Assessment of Sequence Iris Image
一种序列虹膜图像的综合质量评价研究
Auto Focusing Method Based on Dispersion Circle Used in Iris Image Acquisition
基于弥散圆的虹膜图像采集自动调焦方法
Application of Wavelet Transform in Iris Image Feature Extraction and Recognition
小波变换在虹膜图像特征提取与识别中的应用
It is composed of iris image acquisition, image preprocessing, feature extraction and matching.
该系统包括虹膜图像摄取、像预处理、征提取和匹配四个部分.
Regularized Iris Image Restoration Algorithm of Noise Energy Estimation Based on Discrete Quadrature Direction Wavelet Transform
基于离散多方向小波变换估计噪声能量的正则化虹膜图像恢复方法
An Iris Recognition Method Based on Sub-image Correlation
一种基于子块图像互相关的虹膜识别方法
Digital Image Copyright Authentication System Combined with Iris Recognition
结合虹膜识别的数字图像版权认证系统
Morphological Zerotree Compression Coding Based on Integer Wavelet Transform for Iris and Fingerprint Image;
虹膜及指纹图像基于整数小波变换的形态学零树压缩编码
of or relating to the iris of the eye.
属于虹膜或与虹膜有关。
Inflammation of the iris of the eye.
虹膜炎虹膜的感染发炎
When reconstructed by white light source, the synthetic rainbow hologram is produced.
白光源再现时，可再现出合成的彩虹全息图像。