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。
According to the imaging character of CCD, a new method to calibrate the distortion image is brought forward.
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。
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.
本文讨论了基于圆序列的具有径向畸变校正的整合图像问题。
The paper discusses the circle images-based image conformity with the lens-distortion correction.
并对图像的畸变中心和纵横比例因子对校正的影响做了探讨。
And the effect of the image distortion center bias and scale factor ratio offset on image correction quality is discussed.
包括海外车型，与现在由以下六个镜头盖的镜头畸变校正拍摄的图像。
Including overseas models, images taken with the following six lenses are now covered by lens aberration correction.
最后采用同心圆现场标定的方法实现了图像的畸变校正。
Lastly, the method of concentric calibration is designed to realize image distortion correction.
为此，论文提出了一种基于网格图像的几何校正算法，该算法运用分段插值的思想，利用分块低次插值去逼近几何畸变，达到高次插值的效果。
Therefore the authors put forward a calibration algorithm based on the grid image, which USES subdivision interpolation to approach the deformation and get a result of high-order interpolation.
为此提出了一种可同时精确校正数码相机图像的径向畸变和倾斜失真的算法。
There are radial and oblique distortion in the digital images obtained using the digital camera(DC) in geometric measurement.
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。
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.
论文第二部分实现了图像辐射畸变的校正。
Radiometric correction of images is dealt with in the second part of this paper.
为了校正计算机视觉系统中由透镜引起的图像畸变，必须求解出图像的畸变中心。
The distortion center must be solved in order to correct the image distortion resulting from the lens in computer vision system.
实验结果表明，尽管源图像存在严重的非线形畸变，使用本文中的畸变校正的方法，仍然可以获得无畸变的理想图像。
The experiment results show that although there is severe non-linear distortion in the source image , the perfect images can be obtained through the undistorted methods applied in this paper.
为了用普通低成本的广角镜头摄像机实现较大视场的精确定量的图像测量，必须对畸变图像进行校正。
To implement accurate metric measurement within a large field of view with common off the shelf cameras, the image distortion caused by wide angle lenses should be corrected.
光学系统的畸变除了利用像差理论来实现校正外，还可以利用数字图像处理技术来进行校正。
In addition to using the aberration correction theory, optical distortion can be corrected with the digital image processing technology.
本文所作的工作主要是机器人视觉测距系统的标定、图像畸变的校正、机器人视觉定位。
My major work is calibrating the binocular measurement system, measuring the distance between binocular robot and objects, i. e. localizing objects and itself, and correcting image distortion.
这些结果为处理校正过程中带来的图像射影畸变提供了理论根据。
Such results could be used as a theoretical guide to reduce the induced projective distortion.
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。
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.
通过分析数字图像几何畸变产生的机制，提出一种数字图像几何畸变自动校正的方法。
According to the reasons for the geometrical distortion of digital images, an auto-correction method is proposed.
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。
Accurate measurement of geometrical distortion of image display system with wide-angle objective lens is the precondition and key of digital distortion correction.
图像畸变校正包括空间位置校正和灰度校正。
Image distortion correction includes spatial correction and gray-level correction.
图像配准的目的是建立两幅图像间的几何变换关系，去除或减小两幅图像的几何畸变，从而实现图像的几何校正。
The major purpose of registration is to establish geometric transformation between two images, and remove or suppress the geometric distortions between them.
实验表明，用该方法得到的畸变参数，能够很好地校正图像。
The experiment shows that these distortion parameters gained with the proposed method are good at a correcting distortion image.
在畸变得到有效校正的前提下，三维空间中的直线投影到图像平面上应该是直线。
Straight lines in the three dimensional world must project to straight lines in the image plane, if the distortion is compensated effectively.
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。
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.
随着数字图像处理技术的飞速发展，采用数字图像校正技术进行畸变校正已逐渐盛行。
With fast development of the digital image processing technology, it is prevalent for distortion correction with digital image correction methods.
模拟畸变校正：在播放模式下，相机将呈现一个图像效果，模拟与手机上发生的纸板镜头相同的畸变校正。
Simulating distortion correction: in Play mode, the cameras will render with an image effect that simulates the same distortion correction for the Cardboard lenses as occurs on the phone.
本文提出了一种对畸变字符图像快速变形校正的算法，它主要是通过对字符主方向的搜索来求取倾斜图像的有关参数。
The paper presents an algorithm for skew remedy based on searching the main direction to acquire the parameters of the skew image.
因此为了准确还原原始图像，需要利用数字图像处理技术对畸变图像进行校正。
So image processing systems must use digital imaging technic to revert the distortion image.
图像的校正方法是对于校正后图像上的一点，经过摄像机模型找到它在畸变图像中的位置，用这个位置的像素代替校正图像上的点。
Having obtained the parameters of the camera, the X-ray image can be corrected by searching the undistorted pixel position in the distorted image.
图像的校正方法是对于校正后图像上的一点，经过摄像机模型找到它在畸变图像中的位置，用这个位置的像素代替校正图像上的点。
Having obtained the parameters of the camera, the X-ray image can be corrected by searching the undistorted pixel position in the distorted image.
应用推荐