Gravity gradient tensor; Forward; Edge extraction.
重力张量梯度；正演；边界提取。
The test shows that the algorithm has a good edge extraction capability.
结果表明，该算法具有很好的边界提取能力。
Ths paper presents a method of the image edge extraction based on fractal theory.
提出了一种基于分形理论的图像边缘提取的方法。
Infrared image edge extraction is the important technique basis of image interpretation.
红外图像的边缘提取是其判读和识别的重要技术基础。
An algorithm of fast edge extraction and segmentation in noisy image is described in this paper.
本文提出了一种噪声图象快速边缘提取和分割算法。
According to the experiment, the method is an effective one for edge extraction of the abrasive image.
实验表明该方法对于磨损图像的边缘特征提取是行之有效的。
Moreover, composite morphological transformations and color morphological edge extraction are proposed.
进而提出了复合彩色形态变换、彩色形态边缘。
Fast edge extraction and segmentation in noisy image is a difficult problem in real-time image processing.
噪声图象的快速边缘提取和分割是实时图象处理中的重要问题。
Remote sensing image provides the condition for Updates and application of GIS and edge extraction is important in the process.
遥感图像为地理信息系统数据的更新和应用提供了有利条件，遥感图像的特征提取是其中的关键问题。
In the 3d machine vision measuring system, the edge extraction of a 2d image is the prerequisite for 3d coordinate calculation.
在三维机器视觉测量系统中，二维数字图像边缘提取是进行三维坐标计算的必要前提。
Optical image differentiation (edge extraction) is an important method of stand out the information in optical image processing.
光学图像微分(边缘增强)是光学信息处理中突出信息的一种重要方法。
The proposed method enhances the marker detection method with edge extraction, and performs well under complicated shading condition.
为了在复杂的光影下也能稳定地检测出标志，系统利用边缘提取优化了标志检测方法。
Combining edge extraction methods and a circular template, this paper proposes a new method for detecting corners of text in spam images.
为提取垃圾邮件图像中文字的角点信息，提出一种新的基于图像边缘和圆形模板的角点检测算法。
By the research of the nature and image characteristics of BEMD, improved BEMD method will be applied to image edge extraction and denoising.
通过对BEMD性质和图像特征的研究，提出将改进的BEMD方法应用于图像边缘提取和去噪。
The edge extraction of the remote sensing image of high resolution is the important research area of city remote sensing information extraction.
高分辨率遥感图像的边缘提取是当前城市遥感的重要研究领域。
In this paper the relaxation algorithms and their applications in image matching, edge extraction and remote sensing imagery classification are described.
本文阐述了松弛法算法及其在图象匹配、边缘抽取及遥感图象分类等方面的应用。
This article introduces a method of edge extraction of yarn balloon, which bases on mathematic morphology and the transformation of dynamical gray algorithm.
介绍了一种基于数学形态学和动态灰度变化方法相结合的纱线气圈边缘提取方法。
The paper introduces image edge extraction technology in order to make a distinction between abrasive objectives and settings on the surface of abrasive image.
为了区分磨损表面图像中的磨损目标与背景，本文引入了图像边缘提取技术。
Because the serious noise of coherent speckle exists in the SAR imagery, some people believe that edge extraction using gradient for SAR imagery gives poor results.
但由于在合成孔径雷达图像中存在严重的相干斑噪声，有人认为使用灰度梯度提取合成孔径雷达图像的灰度边界得不到好的结果。
According to the characteristics of the underwater image, the bottom layer can be divided into four steps: image denoising, image enhancement, edge detection and edge extraction.
根据水下图像的特点，其底层处理过程分为：图像去噪，图像增强，边缘检测，和边缘提取。
Now there are many methods of edge extraction to have been researched, but none of them is an effective method that is suitable to all kinds of image, especially to the noise image.
目前已研究出不少边缘提取的方法，但还没有一种普遍适用于各种图像的有效方法，尤其对于噪声图像。
To make performance of detection system perfect, vehicle detection in the evening is carried out by means of edge extraction, as edge information is legible and abundant relatively.
作为对系统性能的改进和完善，傍晚检测基于场景下相对清晰、充分的边缘信息进行；
The edge extraction method not only extracts the outline of the target, but also keeps the inner details, thus the optimum matching position found by template matching becomes more reliable.
文中的边界提取方法不仅能提取出目标的轮廓，还能较好地保留其内部细节，这样通过模板匹配得到的最佳匹配位置更加可靠。
This paper introduces a new algorithm for image edge extraction and coding, an efficient method for code file organization is presented, meanwhile, the noise suppression problem is discussed.
文章介绍了一种用于图像边缘提取和编码的新算法，并提出一种链码文件的有效组织方法，同时对图像处理过程中遇到的消噪问题进行讨论。
It firstly extracts several target candidates through the preprocessing including median filtering, edge extraction, sea-sky line detection and morphological filtering of infrared sequence images.
通过对红外序列图像进行中值滤波、边缘提取、海天线检测和形态滤波等预处理，提取出若干个候选目标。
In order to study metal transfer characteristics during dual bypass GMAW (DB-GMAW) process, many kinds of edge extraction algorithms were used to process the necking images of DB-GMAW metal transfer.
为了对多弧旁路gmaw (DB - GMAW)焊接过程中的熔滴过渡特征信息深入研究提供条件，对该种焊接方法下熔滴过渡图像颈缩部分边缘提取算法进行了研究。
This neural network pattern recognition can be applied to feature extraction, clustering analysis, edge detection, signal enhancement and noise suppression, data compression, such as various links.
这样神经网络可应用于模式识别的特征提取、聚类分析、边缘检测、信号增强以及噪声抑制、数据压缩等各个环节。
This neural network pattern recognition can be applied to feature extraction, clustering analysis, edge detection, signal enhancement and noise suppression, data compression, such as various links.
这样神经网络可应用于模式识别的特征提取、聚类分析、边缘检测、信号增强以及噪声抑制、数据压缩等各个环节。
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