Layover is one of SAR geometric distortion.
叠掩现象是SAR图像几何失真现象的一种。
Geometric distortion in SAR images is due to the measuring range characteristic of radar.
雷达的测距特性造成SAR图像出现几何失真。
Introduced the causes of motion image blurring and geometric distortion and the methods to deblur.
随后又介绍了导致运动图像模糊及几何畸变的原因及对应消除模糊的方法。
The geometric distortion of the pipeline is one of the important reasons that cause the oil and gas pipeline leak.
管道几何变形是引起油气管道泄漏事故的重要原因之一。
The paper presents some theoretical analyses and experimental studies on the scale effect of model's geometric distortion.
本文为水力热力物理模型几何变态比尺影响的理论分析、水槽系统试验、及模型模拟实践综合研究成果。
The experimental results indicate that this algorithm is robust to compression, noise, filtering and geometric distortion.
通过实验表明，该算法对于压缩、噪声、滤波、缩放等攻击具有一定的鲁棒性。
Experimental results show that the algorithm has more embedding capacity and robust to common attacks and geometric distortion.
实验结果表明该算法有较大的嵌入容量，对常规攻击和几何攻击都具有较强的鲁棒性。
The leaf image taken by digital camera often has linear geometric distortion, it can bring error to the measurement of leaf area.
数码相机摄入图像时产生的线性几何畸变会给叶片面积的测量带来误差。
A new watermarking detecting algorithm which resists geometric distortion is proposed, based on Fourier-Mellin transform and phase correlation features.
基于傅里叶-梅林变换特性和相位相关性，提出了一种新的抗几何失真数字水印算法。
The geometric rectification of satellite SAR image becomes more and more important in order to avoid geometric distortion and locate the image accurately.
而对星载SAR图像进行几何校正处理，消除图像中的各种几何变形，从而实现精确定位也越来越重要。
Simulation results show the proposed scheme, with robustness enough against general signal processing, can effectively resist geometric distortion attacks.
实验表明，该方案不仅对一般信号处理具有稳健性，也能够很好地抵御随机几何失真攻击。
Watermark information is extracted by obtaining features with color image RGB, estimating geometric parameters for color image correction geometric distortion.
该算法利用彩色图像rgb提取特征点，估计几何参数校正几何攻击的彩色图像，从而提取受攻击的水印信息。
Geometric correction, is to remove the geometric distortion of remote sensing images, is an important pre-processing in the application of remote sensing image.
几何校正，就是清除遥感图像中的几何变形，是遥感影像应用的一项重要的前期处理工作。
An automatic image registration method based on spatial relation consistency is proposed to deal with the registration of images with affine geometric distortion.
提出了一种基于空间关系一致性的图像自动配准方法，处理具有全局仿射变换的图像配准问题。
Experimental results show that the proposed scheme is not only invisible and robust against common signals processing, but also robust against the geometric distortion.
仿真实验结果表明，该图像水印方案不仅具有良好的透明性，而且具有较强的抵抗常规信号处理及几何攻击的能力。
In this paper, the expression of the geometric distortion after the along-track motion compensation is derived. Then a method is presented for geometric distortion correction.
对沿航向运动补偿后的几何形变量进行了推导，提出一种校正沿航向运动补偿后几何形变的方法。
Geometric distortion in 5 different fields of view (FOV) was calculated by measuring the absolute borderline error of direct scan and coronal digital reconstructed radiograph (DRR).
将获得的图像分为不同大小的5个视窗范围，测量直接扫描图像和DRR图像的边界绝对位置误差并计算其几何畸变率。
Phase correlation algorithm as a kind of image matching method has many advantages such as insensitive to noise, unrelated to illumination of target, immune to geometric distortion.
相位相关作为一种图像匹配技术对噪声有较高的容忍程度，检测结果与照度无关，受几何失真影响小。但该方法对旋转变化非常敏感。
The wavelet transform has no ability to resist to geometric distortion, so the wavelet domain watermarking resisting to geometric distortion is a very difficult and challenging subject.
小波变换不具有几何不变性，因此，小波域水印对抗几何攻击是一个十分困难和富有挑战性的课题。
So it is necessary to correct such images. In this paper I consider the causes of the geometric distortion in X-ray images, and apply the camera calibration into the X-ray image correction.
然而一般的X射线仪采集到的图像都存在几何畸变，引起分析过程中的误差，因此有必要对从X射线仪获取的图像进行几何校正。
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。
Based on the study of the model of geometric distortion, a correction method due to the linearity of crossing points in the image of grids were also advanced, which gained an ideal correction result.
在研究几何畸变模型的基础上，给出了一种基于网格点拟合直线误差的几何畸变校正方法，达到了很好的校正效果。
The presence of angular distortion or other types of geometric defects causes the membrane stress and shear stress to vary along the wall.
角变形或其他几何缺陷的存在，造成膜应力和剪应力沿着器坒而变化。
And three geometric correcting methods are provided for correcting the error originated from the digitizing and the map paper's distortion too.
同时，给出了三种几何纠正方法来纠正数字化和图纸变形产生的误差。
Cutting roll-formed steel C-section to stub columns will produce different extent of cross section distortion along the lengths and cause additional initial geometric imperfections.
把辊轧成型的C形冷弯薄壁型钢构件切割成若干短柱，在短柱中将产生不同程度的歪曲变形，进而引起附加的初始几何缺陷。
The geometric projective transformation of lens was analyzed, and the distortion coefficients of lens were calibrated for realizing high-precision measurement.
分析了镜头的几何投影变换关系，标定了镜头的畸变系数，达到高精度测量目的。
The geometric projective transformation of lens was analyzed, and the distortion coefficients of lens were calibrated for realizing high-precision measurement.
分析了镜头的几何投影变换关系，标定了镜头的畸变系数，达到高精度测量目的。
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