几何畸变

计算机放射图像CR（computerradiography）的几何畸变是评价其成像质量的重要指标。

Geometric distortion is one of the most important criteria for evaluating computer radiography ( CR ) imaging quality .

对引起航拍影像几何畸变的原因进行了分析，总结常用的几何校正方法，用MATLAB语言设计并实现。

The reasons caused by aerial images of geometric distortion are analyzed , then has designed and implemented the geometric correction method used by MATLAB language .

地理编码是星载SAR图象后处理的一个过程，它的目的在于把星载SAR原始图象投影到指定的地图坐标系上，并校正一些几何畸变。

Map geocoding is one of procedures in post-processing of satellite SAR image .

该文建立了二次排序计算CR成像系统椭圆形几何畸变的方法。

A two-step sort order method was developed to calculate the elliptical geometrical distortion in an X-ray image .

传统的SAR成像几何畸变仿真中，通过逐点比较来判断阴影区，会耗费较多的时间。

In the conventional SAR simulation of geometrical distortion , it usually calculating the shadow by point-to point comparison , which is time-consuming .

首先，根据彩色线阵CCD的特点建立了遥感相机的构像方程，进而建立了几何畸变模型和几何校正模型。

First , imaging equation of the remote sensing camera is set up , then geometric distortion model and geometric correction model are set up .

由CCD与视频采集卡获得的待拼接的图像，存在着诸如噪声、几何畸变、光强变化等因素。

The images , got by the CCD and video capture card , had problems such as noise , geometric distortion , intensity changes and so on .

最后，针对课题要求，分析航片扫描仪CCD镜头畸变原理，研究几何畸变校正的方法。

Finally according to the request of the project , the CCD lens aberrance of photogrammetric scanner is analyzed and the method of the geometric distortion rectification is researched .

为了提高SAR影像的应用价值，必须通过正射校正处理去除SAR影像固有的几何畸变，以生成一幅处于一定地图投影下的正射影像。

In order to improve the usefulness of SAR images , their inherent geometric distortions must be eliminated by generating a radar ortho-imagery that corresponds to a well defined map projection .

文中将ANFIS引入到面阵相机的几何畸变校正中，并通过实验实现这种畸变校正方法。

The article introduce ANFIS in the correcting geometric distortion of plane array camera , and achieve the method by experiment .

然后，提出了SAR图像几何畸变和斑点噪声（speckle）的仿真方法，并给出了计算机仿真山地、建筑物和车辆的SAR图像。

Next , we present our approach of SAR simulation lying emphasis on the geometrical distortions and the speckle and then give the simulating results of a terrain , buildings and vehicle .

AMSS图像几何畸变来源分析

Analysis of sources of geometric distortions in AMSS image

本文实现了常用的几种面阵相机几何畸变校正的方法，通过试验检验传统方法的校正精度，并通过对比实验，说明基于ANFIS的校正方法能够有效的实现面阵相机的几何畸变校正。

It is achieve some useful methods and verify its accuracy . By the experimental comparison , verify the effectiveness of the correcting method of plane array camera based on ANFIS .

但和光学图像相比，SAR图像有三个典型特征：散射特性、几何畸变和斑点噪声，因此给图像解译、几何定位、目标识别等方面带来了困难。

However , compared to the optical images , SAR images have three typical characteristics , which are reflection properties , geometrical aberrations and speckle noises . It brings difficulties to analyze images , to get geometrical orientation and to identify the targets .

多CCD扫描仪由于CCD的一致性及系统的各种不确定因素，获得的图像存在一定的几何畸变，多CCD拼接后的图像存有色差，在应用之前必须将此类影响降到最低水平。

The multi-CCD scanner has certain geometry distortion , for some uncertain factors such as the CCD uniformity and system itself . Stitching image of multi-CCD has the chromatic aberration . These kinds of influence must reduce to the lowest level before scanning application .

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。

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 ) .

一种实用广角成像系统几何畸变数字实时校正方法

A Real Time Digital Distortion Correction Method of Wide-Angle Imaging System

提高广角成像系统几何畸变数字校正精度的方法

Improving the precision of digital distortion correction of wide-angle imaging system

国土星卫片图象的几何畸变与卫星姿态分析

Analysis of geometric distortions and attitude errors of satellite panoramic images

鱼眼图像的几何畸变校正。

The algorithm for correcting the geometrical distortion of fish eye image .

纠正套刻畸变汽车牌照实时几何畸变校正方法

Correcting Distortion Real-time geometrical distortion rectification method for vehicle license

图像显示系统几何畸变的测量及校正

Detection and correction of geometric distortion in image displaying system

光学图象几何畸变的快速校正算法

A Fast Algorithm for Rectification of Optical Lens Image Distortion

压印对正系统中标记图像几何畸变的校正

Mark image geometric distortion calibration in alignment system for multilevel imprint lithography

一种显示器投影成象系统的彩色图象几何畸变校正方法

A geometric rectification method for imaging system by display projecting

汽车牌照实时几何畸变校正方法

Real - time geometrical distortion rectification method for vehicle license

工业摄像机几何畸变校正控制点的自动生成

Automated Generation of Control Points for Geometric Rectification of Industrial Lens Camera

非接触式人体测量系统中图像几何畸变的校正

Rectification of geometry distortion of the image in non-contacting body measurement system

电视摄象机图象几何畸变的精密测量与校正

The Accurate Measurement and Correction of TV Camera Head Image Geometric Distortion

一种光学成像垂轴几何畸变校正方法

A method correcting vertical axis geometry distortion of optical image