1) level set
水平集
1.
3D reconstruction of HIFU lesion area based on level set;
基于水平集的HIFU损伤区域三维重建技术
2.
A fast approach for level set segmentation;
一种水平集分割的快速算法
3.
A level set method based on Hermite derivative filter for segmentation of magnetic resonance images;
基于Hermite微分算子的水平集MR图像分割方法
2) level sets
水平集
1.
Furthermore, the equivalent relation between quasi-semi-E-convexity of functions and corresponding level sets is proved.
此外,证明了函数的拟半E-凸性及相应水平集之间的等价关系,最后,对王建勇等文章“E-拟凸函数”中的命题4给出了一个反例。
2.
Curve evolution method via level sets is then applied to the newly compressed.
水平集曲线演化方法在压缩图像上进行,使得被处理的数据量大大减少,从而缩短了轮廓提取的时间,提高了算法的实用性。
3.
This paper,discusses,We discussed the upper bound of the Hausdorff dimension of the level sets of N-dimension diffusion process under reasonabce condixions.
主要讨论了在一定的条件下,紧集上N-维扩散过程样本水平集的Hausdorff维数等若干概率性质。
3) Level set method
水平集
1.
A constrained energy minimization based on level set method for 3D reconstruction of object with complex topology is proposed.
提出了基于最小能量约束的水平集重构方法,用以解决由三维数据点云自动重构复杂拓扑结构物体模型的问题。
2.
A level set method based on Mumford-Shah model is approved powerfully for segmentation on high-noise and smooth-edge images.
针对这些问题,提出了多个水平集的方法,该方法的基本思想是在图像区域建立多条位置不同的演化曲线(即多个零水平集),使它们各自按照原始的Mum ford-shah演化模型同时进行演化。
3.
Based on the lattice Boltzmann method and the level set method,the I.
应用格子 Boltzmann 两相流模型,结合水平集界面重构技术,对液滴平动,以及液滴在空气中自由下落、液滴冲击液面的全过程进行仿真研究,数值模拟结果与物理规律一致,验证了模型的有效性与可靠性。
4) level-set
水平集
1.
A method based on threshold level-set is therefore proposed for the 3-D segmentation of pulmonary vessel,which introduces the geometric contour-varying models instead of parametric contour-varying ones.
针对此问题,提出了应用基于阈值的水平集三维分割肺部血管的方法。
2.
On the basis of Chan-Vese(CV) model,this method implements boundary extraction using a level-set based active contour model by defining a novel Local-Fitting term,which offers a better result than the CV model for the segmentation of ultrasound images with inhomogeneous regions.
该算法在Chan-Vese(CV)模型基础上,定义了一个局部调整项,采用基于水平集的动态轮廓模型提取超声图像乳腺肿瘤边缘。
3.
This system can realize the detection of the non-rigid moving object and the estimation of the background velocity through the Level-Set method and piece-wise smooth motion field constraint.
该系统采用水平集方法，利用分段平滑运动场的约束条件，实现非刚体运动目标检测和背景的运动估算。
5) enrichment level
富集水平
1.
For all the five soilless cultivated vegetables of the polluted water,enrichment level of metal elements was found different.
结果表明,污染水体中水培蔬菜的金属元素富集水平是不同的。
6) level set method
水平集法
1.
Application of level set method in microstructure optimization of multiphase material;
水平集法在多相材料细观结构优化中的应用
2.
After studying the level set method and its applications to image processing, we concentrate on discussing the inpainting model.
在介绍水平集法及其在图像处理方面的应用之后，进一步深入地讨论了一类图像修复的变分模型—Mumford-Shah-Euler模型，在此基础上利用水平集法，提出MSE模型的数值逼近的算法格式，并对一些具体的图像修复问题开展数值模拟和修复，深入分析了MSE模型及水平集法在图像修复中的优缺点，这些结果在理论和实际应用中都很有意义。
3.
A new method based on the level set method was proposed for simulation the three-phase flow problems,with which the gas bubble behavior in the slag-steel interface was calculated,the infuence of bubble size on the bubble deformation during the floating process was analyzed,and its impact on the fluid velocity in the steel-slag interface was calculated.
基于水平集法(level set method),提出了一种处理三相流问题的计算方法。
补充资料：水平集
水平集
level set
水平集【l巴目就;冲咖二M肋撰c二l，函数f的 在R”中使f=常数的点集.若函数f为定义于平面R’中正方形Q上并有满足U声由七条件(LipschitZ condition)的偏导数，则对区间~f
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条