And a satisfactory effect of fisheye image distortion correction is ultimately achieved by applying spherical coordinate orientation approach based on scans line approach. 提出了一种对畸变字符图像快速变形校正的算法,他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 advantages of the CRT with optimized inner surface geometry include less virtual image distortion and higher strength against air pressure because of larger radius of the inner surface curvature. 采用此设计方法制作彩色显像管,既能得到失真较小的显示图像,又能使显示屏内表面曲率半径较大,提高显示屏抵抗大气压力的能力。
Investigation of Online Image Distortion Corrections for X-ray Micro-CT Imaging X射线显微CT成像的图像实时校正研究
Image Distortion Correction of CMOS Camera with Large Field 大视场CMOS相机图像的畸变校正
Ultraviolet single photon imaging system with wedge and strip anode is introduced and the influence factor leading to image distortion is analyzed. 本文介绍了基于楔条型阳极的紫外单光子成像系统,分析了引起图像畸变的原因。
Image Distortion Correction Algorithm Based on Quadrilateral Fractal Approach Controlling Points 四边形分片逼近控制点的图像畸变校正算法
Research on Image Distortion Correction Method Based on BP Neural Networks 基于BP神经网络的畸变图像校正方法研究
Disadvantages: image distortion, easy-to-radiation protection difficult, conveying the implementation in the course of machinery to be improving. 缺点:图像易失真、放射辐射防护难度大、搬运过程中机械性能有待于改进。
Its easy-to-install software eliminates image distortion and makes it compatible with virtually any digital recorder. 这个易于安装的软件消除了图像失真,使其兼容几乎所有的数码录像机。
It could solve the difficult problems for area-based stereo algorithm such as image distortion, noise and brightness difference etc. 分级变换可以有效的解决在立体对应中经常遇到的图像噪声、失真及左右图像的亮度差异等问题。
Many factors result in SAR image distortion, and most of them can be corrected by polynomial rectification. 引起SAR影像变形的因素很多,其中多数变形可以通过多项式纠正方法得到改正;
And the effect of the image distortion center bias and scale factor ratio offset on image correction quality is discussed. 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。
The mathematical model of radial distortion, decentering distortion and in-plane image distortion is described. 介绍了数码相机的径向畸变、偏心畸变和像平面内仿射畸变对像点影响的畸变差模型;
During the research on image distortion correction, the paper receives a good result on camera calibration by improving the traditional barrel distortion model, and expands the current theories on image distortion correction. 在图像失真校正的研究中,本文对传统的桶形失真模型进行了改进,取得了较好的校正效果,扩展了现有的图像失真校正理论。
These results can be used as reference for image distortion correction. 此结果可作图像畸变修正的参考。
To conduct a large scale measurement, wide-angle lens is used in the camera and at the same time image distortion is introduced. 为了实现在大范围内的测量,摄像机采用了广角镜头摄像,同时也引入了比较大的图像畸变。
Influence of image distortion caused by the optical system was analyzed, and formula of correction deduced. This can reduce or eliminate the influence on the rifling parameter detection caused by image distortion. 考虑到光学系统对图像产生了一定的畸变,进而对膛线参数的检测产生一定的影响,本文对此进行了分析和研究,给出了膛线参数的修正公式。
Analysis and Correction of Angioscope Image Distortion 血管内窥镜图像畸变的分析和校正
But the primary problems are the image distortion rectifying and border detection. 该方法的主要问题是标识线的变形矫正和边缘检测。
Application of wavelet threshold denoising method for image denoising will result in mosaic appearance and image distortion. 在图像降噪处理中,采用小波阈值降噪法会产生马赛克现象,造成降噪后图像失真。
The simulation results show that the strap-down line scanning image distortion rectifying algorithm is effective and feasible. 仿真结果表明该行扫图像畸变矫正算法是可行有效的。
Image distortion correction includes spatial correction and gray-level correction. 图像畸变校正包括空间位置校正和灰度校正。
However, panoramic vision system shot to get the perspective image is at the expense of the image distortion. 然而全景视觉系统拍摄得到的大视野图像是以图像畸变为代价的,畸变产生的原因很多,包括全景的结构设计、镜面参数的选择和相机性能参数等。
ECT table also caused image distortion and the degree of distortion was related to acquisition projection. 2. 断层床也能引起图象畸变,其程度和采集投影相关。
But in the long distance transmission process, it is used to appear the image distortion. 但是由于其在长程传输的过程中,容易出现图像失真。
The system includes dust detection, RGB color detection, focus detection and image distortion detection modules, and the software functions involve three parts of system setup, image processing and operation testing. 系统设计了尘埃检测、RGB色彩检测、聚焦检测和图像失真检测模块。软件功能包含系统设置、图像处理和运行检测三部分。
This technology eliminates the disadvantage caused by the image distortion, shortens the preparation time before surgery and improves the flexibility of the C-arm X-ray machine. 该技术解决了图像变形对导航精度的不利影响,减少了术前的准备环节,提高了C型臂X射线机应用灵活性。
Ultimately, the watermarked image distortion level can be adjusted by entering the threshold. 最终,嵌入水印后图像失真水平可通过输入阈值进行调节。
Under the models of all the distortion categories, image distortion can be controlled during watermarking. 对这几类失真分别建模,以指导嵌入水印过程中的图像失真控制。
And bilinear interpolation method was used to correct geometric distortion, solve the impact of image distortion on the bar code information. 利用双线性插值变换进行失真矫正,解决了图像畸变对条码信息的影响。