Secondly, in order to improve the correction of image matching, the effect of different gray levels on mutual information is discussed later.
其次，为了提高互信息匹配的正确率，研究了分灰度阶估算的方法，并探讨这种方法对互信息匹配造成的各种影响。
Geometric transformation is the most common means of image processing, image deformation of geometric correction, can be an accurate picture.
几何变换是最常见的图像处理手段，通过对变形的图像进行几何校正，可以得出准确的图像。
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。
An image segmentation algorithm of the original code. including aberration correction.
详细说明：一个图象分割的算法原码。包括畸变矫正。
A correction algorithm for shape difference is given according to the influence of shape difference and generalized image error on positioning accuracy of micromanipulation.
根据形状差异和广义图像误差对微操作定位精度的影响，给出了形状差异的矫正算法。
Based on the nonuniformity analysis of image in the X-Ray security inspection system, a novel correction method using both software correction and hardware correction is proposed.
首先分析了X射线安检系统应用中图像非均匀性的原因，并在此基础上提出了一种新的软硬件结合的校正方法。
Image and video collection in the course of many may be wrong or error, we need a correction.
图像和视频的采集过程中有许多可能会造成错误或者误差，我们需要进行校正。
Compared with most linear array push-broom images, the geometric correction methods of TM image, which is double-scanning image is particular and complex.
同大多数的线阵推扫式影像相比，TM影像作为双向扫描型的影像其几何校正方法有其特殊性和复杂性。
Geometric correction, is to remove the geometric distortion of remote sensing images, is an important pre-processing in the application of remote sensing image.
几何校正，就是清除遥感图像中的几何变形，是遥感影像应用的一项重要的前期处理工作。
With digital signal processing (DSP) chip, the hardware and software of infrared image processing system are designed for the purpose of auto-detection and correction of the invalid pixels.
基于DSP实现了红外图像的硬件处理系统并编写了失效元处理的软件程序，实现了失效元的自动检测和校正。
The general theories of gray correction methods for the medical ultrasonic image are introduced in this paper, including gray level correction, gray level transformation and histogram correction.
介绍了超声医学图像灰度校正常用方法的基本原理，这些方法主要有灰度级校正、灰度变换及直方图修正。
At the first, the theory of the image geometric correction is introduced in this paper. After that, the system scheme for video image geometric correction card is put forward.
论文首先对图像的几何校正原理进行了简单介绍，然后提出了一种视频图像几何校正卡的系统实现方案。
Analytical methods are the fundamental theories and mathematic models of photogrammetry, digital photometry and correction processing of remote sensing image.
解析法是摄影测量学、数字摄影测量与遥感影像纠正处理的基础理论和基本数学模型。
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。
For recognition, the front or trailing edge of projection of binary image on horizontal axis basically shows linear shape, so least square theory is applied in tilt correction.
识别过程中，数码管二值化后的图像在水平轴上的投影，其上升沿或下降沿基本呈现直线的形状，尝试把最小二乘法应用于倾斜校正。
Furthermore, an iterative blending algorithm based on the error correction of sub image is proposed.
进而提出了基于子图像间偏差纠正的迭代混合算法。
Atmosphere scatter correcting was applied to image data, and the value of atmosphere scatter correction was used to account water vapor content.
在此过程中，对图像数据进行了大气散射校正，并使用大气散射校正数估算大气水分含量。
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。
The major achievements of this paper include: 1 Bring forward an effective skew image correction algorithm for the first time.
本文主要成果包括：1、创新性地提出了一种倾斜图像快速校正算法。
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。
An image preprocessing approach was presented to improve the robustness of face recognition-Image Correction By Average Template (ICBAT).
提出了一种能提高人脸识别鲁棒性的图像预处理方法，即基于平均模板的图像纠正算法icbat。
Through analyzing weighted method of image network sampling and statistic matching method of image network parameters, network analytical correction system of saline mud log has been compiled.
本文分析了图像网络采样加权算法及图像网络参数控制的统计拟合分析方法，编制了盐水泥浆测井资料的网络分析校正系统。
Lastly, the method of concentric calibration is designed to realize image distortion 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。
Through concrete analysis on the source of image errors, this paper expounds the ways of making geometrical correction for image errors by using digital method.
文章通过对图象误差来源的具体分析，阐述了利用数字方法对图象误差进行几何纠正的方法。
Also this paper discusses the problem of geometric correction for SAR image.
同时还讨论了SAR图像几何校正的问题。
For this purpose, correction arithmetic design and scanning hardware structure design are developed in this paper to remove the nonuniformity of CR image.
为此，论文从研究校正算法和扫描硬件结构设计二个方面对数字化CR成像不均匀性进行了研究与改进。
Aiming at the skew correction of document image, a novel skew correction method based on projection is proposed.
针对文档图像的倾斜校正问题，提出了一种新的基于投影的文档图像倾斜角检测方法。
Influence factors of flat-field for the monochrome array CCD camera are analyzed and researched. Anew method of image correction is presented.
分析研究了影响黑白面阵CCD相机平场的因素，提出了一种新的平场校正方法。
Influence factors of flat-field for the monochrome array CCD camera are analyzed and researched. Anew method of image correction is presented.
分析研究了影响黑白面阵CCD相机平场的因素，提出了一种新的平场校正方法。
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