畸变校正

基于BP网络的图像畸变校正技术研究

Study of Distortion Correction of Image Based on BP Neural Network

大视场CMOS相机图像的畸变校正

Image Distortion Correction of CMOS Camera with Large Field

然而，现有的数字图像畸变校正技术大多是在PC平台下研究算法以及相关软件。

But , the existing correction algorithms are mostly based on the PC platform .

干涉SAR相位解卷绕中斜坡畸变校正的迭代算法

An iterative algorithm for slope distortion correction in SAR interferometry phase unwrapping

线阵CCD测量系统的镜头畸变校正新方法

A New Method of Lens Distortion Calibration of Linear CCD Measurement System

本论文详细介绍了基于改进的模拟退火（SimulatedAnnealing，SA）算法的波前畸变校正方法的研究。

The wave-front aberration correction algorithm based on improved simulated annealing ( SA ) algorithm is discussed carefully in this thesis .

针对这一问题，利用能同时进行振幅校正和相位畸变校正的反Q滤波方法对该区的三维地震资料进行了提高分辨率处理。

Ai-ming at these problems , the inverse Q filtering method was used in the3D seismic data to improve the resolution .

实验采用两个不同分辨率的CCD进行图像畸变校正的标定，分别得出两个CCD的图像畸变变化曲线图。

Thirdly , experiments using two different size-resolution CCD image distortion correction , calibration , obtained two CCD image distortion changes the graph .

提出了基于BP神经网络的畸变校正方法，实现了在不确知畸变数学模型情况下的高精度校正。

A method based on BP neural network ( NN ) is proposed in this paper , which realizes high precision of correction without knowing the mathematic model .

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 .

首先提出了一种基于游程的快速连通域标记算法实现条码粗定位，然后提出了一种基于DataMatrix条码的有效的精确定位方法；并通过反透视变换和双线性插值的方法进行畸变校正处理。

First , a new fast connected component labeling algorithm based on fast run is proposed to achieve barcode rough localization , and then proposes a precise localization method the Data Matrix barcode . Anti-perspective transformation and bilinear interpolation are used for perspective distortion correction .

由于光学扫描仪本身的特性，使扫描数字化的地图存在着一定的几何偏差，将导致矢量地形图的精度降低，影响GIS系统的性能，因此必须在其矢量化前进行扫描图像的几何畸变校正。

As the optical characteristics of the scanner itself , there is a certain geometric error when digital scanning the map , which will lead to a reduced accuracy of vector topographic map , affecting the performance of GIS .

上位机控制软件采用面向对象的VC++编程，实现了CCD通过Cameralink图像采集卡采集图像数据与激光光斑的识别，并利用OpenCv开源函数库对CCD相机进行标定及采集图像的畸变校正。

Control software uses VC + + program and achieves acquiring images via Camera Link image acquisition card and identifies laser spots . CCD camera is demarcated and distortion is corrected by Open CV open source functions .

实验表明，该方法能够精确地推算出实现畸变校正所需的参数，校正精度与CCD的采样量化值相当。

The experimental results indicate that the needed parameters to implement the calibration can be accurately determined by this method , and the calibration error is equivalent to the sample quantization error of CCD sensor .

目前，图像畸变校正方法的研究也成为热点课题之一，CCD镜头图像畸变的校正成为视觉检测和计算机视觉等领域重要的研究课题。

Due to this trend , the image distortion correction method has also become one of the hot topics . CCD camera distortion correction has become an important research topic in the field of visual inspection and computer vision .

针对三维测量中测量精度不高的问题，运用多种方法进行改进：提出了一种新的插值标定算法，进行了系统的GAMMA校正、畸变校正以及抑制量化误差，提高了标定与测量精度；

Several methods were used to improve the system calibration and measurement accuracy . A novel interpolation algorithm for calibration was proposed , system gamma and distortion correction was used , and sampling error was controlled .

首先对CCD摄像机拍摄的图像进行畸变校正与滤波去噪，然后对图像进行阈值分割，采用基于数学形态法的四邻域腐蚀来获得单像素宽的图像边缘。

At first , distortion correction and filter in the original image captured by CCD camera . Were taken account of edge image of single pixel was achieved after treatments such as threshold segmentation and four-neighborhood erosion based on mathematical morphology .

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 .

后面的应用可以看出，此自适应算法还对边缘角点检测有很好的效果。（2）基于Harris的自适应角点检测算法可应用到图像畸变校正、摄像机标定以及旋转曲面三维重建三个方面。

The great results of adaptive Harris algorithm also can be shown on the edge detection later . ( 2 ) The adaptive Harris algorithm can be applied to regulation for image distortion , camera calibration and rotary 3-D reconstruction .

本文详细地定量分析了各种因素对AMSS图像几何特性的影响，希望有助于AMSS图像几何畸变校正方法的研究。

This paper quantitatively analyzes effects of various factors on geometric characteristics of AMSS image in details , it is helpful to develop the method for correction of geometric distortions in AMSS image .

最后，采用VC++6.0编程实现大场地足球机器人视觉系统的人机交互界面，并对基于HSI的RGB颜色查找表构造、图像的多项式畸变校正、色标的识别算法做了编程实现。

Finally , the visual system interface between human and computer is programmed with VC + + 6.0 . And the RGB color lookup table based on HSI is structured . Polynomial image distortion correction and algorithm to identify the color match are also programmed .

基于圆序列的多帧对齐和径向畸变校正算法

Circle Video Based Algorithm of Multi-frame Alignment and Lens Distortion Correction

电子束曝光系统扫描场的畸变校正

Distortion correction method of the scan field for e-beam exposure system

基于同心圆现场标定的实时畸变校正方法

A Real-time Distortion Correction Method with Concentric Circles as Onsite Standard

一种基于控制点自动提取的图像畸变校正算法

Image geometry calibration method based on automated acquirement of control points

四边形分片逼近控制点的图像畸变校正算法

Image Distortion Correction Algorithm Based on Quadrilateral Fractal Approach Controlling Points

短焦距摄像机镜头的畸变校正方法

A Remedy Method of Aberration in the Lens of Short Focus

振镜二维扫描的图形畸变校正和曝光量补偿

Calibration of graphic distortion and compensation of exposure for dual galvanometer scanning

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 .

基于同态滤波的视网膜图像辐射量畸变校正

Radiant Distortion Calibration for Retinal Image Based on Homomorphic Filtering