| 1. | On the other hand an object seen in reflected light will surely display some phase correlation between its various scattering points . 反之,在反射光中看到的物体,它的各个散射点之间肯定将呈现某种位相相关性。 |
| 2. | Phase correlation based iris image registration model 基于相位相关的虹膜图像配准 |
| 3. | 1992 , 24 : 325 - 376 . 15 kuglin c d , hines d c . the phase correlation imagealignment method . in 对于这些小的图像块,我们采用基于相位相关的方法来求取对应块之间的相位相关值。 |
| 4. | In this paper , two algorithms - part edge detecting and phase correlation - are proposed to measure translation between images in detector 本文提出了两种测量图像平移量的方法:局部边缘探测方法和相位相关方法。 |
| 5. | Phase correlation , image registration , iris recognition , biometrics references 1 daugman j g . statistical richness of visual phase information : update on recognizing persons by iris patterns 在匹配过程中,如何找到点点之间存在对应关系,便涉及到图像的配准问题。 |
| 6. | Experiments of translation - measurement were made and image process software is programmed . the results show that translation measuring accuracy of part edge detecting and phase correlation can attain 0 . 08pixel and 0 . 25pixel respectively 通过设计平移量的测量实验,编制相应的图像处理软件,对上述两种测量方法进行了实验验证,结果表明其测量精度分别可达0 . 08像素和0 . 25像素。 |
| 7. | Summarize the current classical algorithms of motion estimate , present integrated experimental data and comparisons , trim and put forward some basic theories of motion estimate . 2 . research motion estimate by phase correlation way , bring forward a new technique of motion estimate on the base of phase correlation 主要工作在以下几个方面: 1 、总结现有经典的估计算法,给出了较完整的实验数据和比较结果,经过实际实验数据,整理、提出了运动估计的一些理论基础; 2 、从相位相关的角度对运动估计进行了研究,提出了一种新的基于相位相关的运动估计技术。 |
| 8. | By storing a beacon image in aircraft as reference and regarding actual beacon image as the sum of reference image and additive gaussian white noise , the values of rotation and translation for beacon image were calculated according to phase correlation and dft ( discrete fourier transfer ) 该方法的原理是在航天器上存储一幅信标图像作为参考,把实际信标图像看成参考信标图像和附加高斯白噪声和的形式,基于离散傅里叶变换和相位相关技术对信标的旋转因子和平移因子进行计算。 |
| 9. | According to the characters of the power harmonic , a kind of self - adaptive harmonic detection method based on in - phase correlation filtering is presented , which is clear and concise in thinking . by this method the low - pass filter can be designed easily , and by using the multiresolution and self - adaptive technique the difficulties of harmonic detection with low variable fundamental frequency and no voltage reference are worked out , which contributes much to the implementation of harmonic suppression 该方法思路清晰、简洁,并能方便有源滤波器( apf )中低通滤波器设计,同时采用多分辨率和自适应滤波方法,解决了基波频率低且变化、无明显电压基准可寻的复杂供电系统谐波检测的难题,为谐波抑制的实施奠定了基础。 |
| 10. | This paperproposes a phase correlation based method for iris image registrationwith sub - pixel accuracy . compared with existing methods , it isinsensitive to image intensity and can compensate to a certain extentthe non - linear iris deformation caused by pupil movement . experimentalresults show that the proposed algorithm has an encouragingperformance 一般而言,在拍摄虹膜图像过程中,由于拍摄时间的不同或头部不可避免会轻微晃动,眨眼引起眼皮移动,眼睛随着光照强度变化的缩放特性等原因,不同时刻拍摄到的各帧虹膜图像之间不一定是一一对应的。 |