| 1. | Extracting contour from 3d model based on edge classification
基于边分类的三维模型外轮廓线抽取算法 |
| 2. | Chapter 2 explores the techniques to extract contours from medical images
第二章描述了从断层数据抽取目标器官的轮廓线的技术。 |
| 3. | As for space mesh surface , the method of getting the contour from space mesh surface is achieved
针对空间网格曲面，提出空间三角网格曲面的边界提取方法。 |
| 4. | In this thesis we deal with fire contour by use of noise function or abstracting the contour from real fire series
另一个是直接采用真实火焰序列中提取出来的火焰轮廓线。 |
| 5. | The insert shows the three chandra sources closest to the supermassive black hole , overlaid with the intensity contours from the hst image
小图显示距离大黑洞最近的3个x射线源，影像上面的红线是透过哈勃太空望远镜所得的光度等值线。 |
| 6. | When deformable models are used to extract brain contour from head mri t2 images , local minimums largely affect the algorithm ' s converging to the global minimum
在提取人头部磁共振图像t2加权像的横断面的脑轮廓时，因为在图像内部存在许多的局部极小值，严重的影响了算法向全局极小收敛。 |
| 7. | A method based on differential operators is presented for treating sophisticated contours . the algorithm of extracting directional contours from segmented images is also discussed . semi - automatic scheme is proposed
我们提出了一种新方法，它利用边界微分算子来尽量在自动分类过程中保留图像特征，还讨论了轮廓线的定向提取技术。 |
| 8. | The research , development and applications of the deformable models are reviewed . the algorithm is realized to extract brain contour from mri head images . some improvement on deformable models is presented
本文对可变形模型的基本概念和研究进展进行了介绍，给出了其应用于头部磁共振图像提取脑区域的算法实现，并针对我们在实际研究工作中遇到的问题，进行了相应的改进，取得了良好的效果。 |
| 9. | This dissertation proposes an algorithm to detect edges and extract contours from medical images based on quadric spline wavelets transform . the algorithm can generate single , continuous and close contours . there are two main methods of surface reconstruction ? explicit connecting contours method and implicit function method
利用小波变换良好的局部化特性和其固有的多尺度特性，具体针对医学图象边缘轮廓提取的特点，提出一种基于二次样条小波变换的边缘检测和轮廓提取方法，提取出单像素和连续封闭的边缘轮廓。 |
| 10. | The proposed algorithm is called agvf snake algorithm . when deformable models are used to extract brain contour from the head mr images , problems associated with initialization and time consuming iteration limit their utility . to overcome these problems , a region based variable expansion force is proposed
对于可变形模型对初始轮廓的依赖较大，外力的作用范围有限，迭代算法收敛时间较长等问题，提出了一种新的外力，我们称之为基于区域的可变膨胀力( regionbasedvariableexpansionforce ) 。 |
