Accurate measurement of geometrical distortion of image display system with wide-angle objective lens is the precondition and key of digital distortion correction.
准确地测量含有广角耦合物镜的图像显示系统的几何畸变是实现图像显示系统几何畸变数字校正的前提和关键。
After the correction, the distortion of image display system is less than 0.4%. This result can meet the needs of the positioning and probability of the missile's scene matching guidance system.
校正后，图像显示系统的畸变小于0.4%，完全能够满足导弹景象匹配系统定位误差及定位概率的检测要求。
In this paper the distortion of image collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.
通过对图像瞄准系统中的畸变分析，提出以激光长度测量值作为长度基准的成像系统在线自标定方法。
Different browsers add different kinds of distortion to the final image, but none of them is able to produce a pixel perfect representation of the report.
不同的浏览器都会让最终的图像显示有不同的失真，但却没有一个浏览器能让报表实现像素级完美的呈现。
This article demonstrates code and techniques to create what I call "animated distortion portals" in the data to provide time-dependent visualizations of various parts of the image.
本文演示了创建所谓“动态失真门户”所需的代码和技术，提供局部图像的时变可视化。
It also have another conclusion on both in the process of image signal distortion happens, distortion, this is inevitable.
由此也得另一个结论既转播过程中图像信号会发生畸变、失真、这是不可避免的。
Each measurement line must be placed along an image line that should be straight, but because of lens distortion is actually curved.
每个测量线必须被放置在沿着一个图像里的直线，这条线应该是直线，但由于透镜畸变实际上是弯曲的。
The system will not only be able to achieve a higher proportion of data compression, smaller image distortion, it has high practical value.
系统不仅能够实现较高比例的数据压缩，而且还原图像的失真较小，具有较高的实用价值。
Better estimates of lens distortion and focal length will be obtained if the grid is positioned accurately over as much of the image space as possible.
更好的估计和焦距的透镜畸变能获得网格定位准确在尽可能多的图像尽可能的空间。
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 method USES the model of radial nonlinear distortion with the symmetry of optical axis to obtain correction coefficients of the optical lens, and then corrects the distortion image.
该方法利用与光轴对称的径向畸变数学模型求出光学镜头的校正系数，对畸变图像进行校正。
According to the imaging character of CCD, a new method to calibrate the distortion image is brought forward.
针对CCD成像时中间亮两边暗的畸变特点，用双线性插值的方法对图像进行灰度校正。
In the field of image processing, how to evaluate the distortion of processed images is an important problem.
在图像处理特别是在图像压缩等领域中，如何评价经过处理后的图像失真度是一个很重要的问题。
In the absence of blurring or distortion, camera shaking does not modify the frame content, but only shift, rotate and scale the image.
假设视频画面没有模糊和变形的情况下，抖晃没有改变画面的内容，只是造成了平移、旋转和缩放等效果。
The experiment results show this method is applicable to identification of fingerprint image with a little distortion owing to the finger press part and force different.
实验表明，这种识别方法特别适于由于手指按压部位不同和用力大小不同而产生少许变形的指纹图像的识别。
TV target tracing system has following features: real-time, image indistinctness on the ground of dynamic tracing and external environmental distortion, high noise background intensity and so on.
电视目标跟踪系统实时性强，由于是动态跟踪和外界环境干扰，所以导致图像不清晰、背景噪声较强。
JPEG2000 is a new image compressing standard, it has the characteristic of high compression ratio and low distortion.
JPEG2000是一种新的图像压缩标准，具有高压缩率、低失真度和灵活高效的特点。
The paper discusses the movement and distortion dynamic image measurement method based on CCD image measurement technology from the point of view of sequence image process.
本文从序列图像处理角度出发，讨论了以CCD图像测量技术为基础的主动脉弓运动和变形的动态图像测量方法。
One of the major disadvantages of MRI is its image distortion, which affects the accuracy of the localization of SRT and the veracity of the dose distribution.
对MRI而言，由于存在着影像扭曲的问题，因此影响了SRT定位的精确性，并进一步影响了剂量分布的准确性。
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。
There is certain connection between the compression rate of image and the distortion rate of image reconstruction.
指出了图像的压缩率与重构图像的失真率存在一定的关联。
The correction of camera optics distortion and sub-pixel method for image processing can reduce the error of target image orientation for the precision improvement of system measuring.
摄像机光学畸变的修正以及图像处理的亚像素定位方法，减小了目标图像的定位误差，提高了系统的测量和调整的精度。
In consideration of within the tiny scope, the spatial distortion of the image can be seen as a line change of the space.
考虑到在非常小的平面内，图像的空间畸变可看成是图像的几何线性变化。
A dynamic rate allocation method is presented which is based on the compression rate of image source coder, channel rate, channel characters and their influence on the distortion of progressive image.
该文根据信源编码压缩比、信道码率及信道特征对渐进图像传输失真的影响，提出一种基于最小图像失真的动态码率分配策略。
A method that is used to expressing magnitude of the image nonlinear distortion is brought forward, after relation of the magnitudes of nonlinear distortion and the image pixels is studied.
在分析和研究了图像中非线性畸变的大小与图像像素多少之间的关系基础上，提出了定量表示图像中所含非线性畸变大小的方法。
Taking use of allowable distortion, we can embed watermark adaptively according contents of image to improve average embedding intensity effectively.
利用允许失真值与信噪比，达到根据图像内容自适应嵌入水印的目的，从而有效的提高水印的平均嵌入强度。
And a satisfactory effect of fisheye image distortion correction is ultimately achieved by applying spherical coordinate orientation approach based on scans line approach.
在此基础上，采用球面坐标定位校正方法进行图像扭曲变形校正，取得了较好的图像校正效果。
A new method to correct the barral distortion of endoscope image based on the line search method of guaranteed global convergence is presented.
根据内窥镜成像特性以及基于全局收敛的线性搜索法来确定畸变图像中心和多项式系数。
And the displacement of speckle image reflects the distortion or displacement of objects.
而激光散斑图像的位移可以反映出物体的位移或形变。
Basically, the goal of image registration is to align images of same scene by removal of the potential geometrical distortion existed.
配准问题的目的就是将同一场景的不同图像对齐或匹配，消除存在的几何畸变。
应用推荐