水平集方法是一种图像分割方法。
And the level set method was used as the segmentation method.
本文研究了基于水平集方法的图像分割方法。
This paper have a study on image segmentation which is based on level set method.
提出了一种基于水平集方法的结构刚度拓扑优化设计方法。
This paper presents a new scheme for stiffness topology optimization using topological description functions also named level set methods.
提出了一种基于水平集方法的结构刚度拓扑优化设计方法。
Variational Level Set Methods for Multiphase Image Segmentation and for Image Segmentation Based on Prior Shape;
提出了一种基于水平集方法的结构刚度拓扑优化设计方法。
Numerical simulation of hydrodynamics of drop formation by a level set method;
符号距离函数重构是水平集方法中必不可少、且相当费时的步骤。
The reconstruction of signed distance function (SDF) is an imperative and time-consuming step in level set method.
本文提出了一种结合贝叶斯分类的水平集方法用于医学图像分割。
In this paper, a level set segmentation algorithm based on Bayesian classification for medical image segmentation was proposed.
最后用改进的水平集方法对初始轮廓线进行演化而得到最终结果。
At last, the initial contour lines are evolved using improved level set method to achieve object boundaries.
水平集方法通过识别脑组织外部边界轮廓实现脑组织结构的分割。
Level set method can be used to make segmentation the structure of the brain by identifying the external cerebral boundary contour.
在第四章中，我们使用水平集方法针对具有间断的CT成像问题进行迭代求解。
In Chapter 4, we give an iterative algorithm using level set methods toward the problem of discontinuous solutions in CT.
结果表明：投影。水平集方法能够较好地模拟三维复杂铸件充型过程的两相流动。
The results indicate that the presented method can work well in the simulation of the two-phase flows of the filling processes of three dimensional complex castings.
水平集方法应用于图象分割的曲线或曲面进化问题，是一种稳定有效的数值计算方法。
Level Set methods are robust and efficient numerical tools for resolving curve evolution in image segmentation.
其次详细介绍了曲线演化理论、偏微分方程模型的水平集方法求解以及数值计算方法。
And then, the theory of curve evolution, how to solve the PDEs model based on level set method and its calculation methods are expatiated.
提出多水平集演化的非监督高分辨率影像分割模型，避免传统多水平集方法中的区域重叠问题。
The paper presents an unsupervised segmentation model based on multiple level sets evolution for high resolution satellite imagery.
采用水平集方法捕捉气，液两相界面，结合投影方法，对所建立的两相流动模型进行了三维数值求解。
The Level Set method is adopted to capture the gas-liquid interface and the projection method is used to solve the three dimensional two-phase flow equations.
关于平均曲率运动，目前最常用的是水平集方法，这种方法虽然具有拓扑无关性的优点，但效率不高。
About the mean curvature motion, the most common method is the level set method at present. The advantage of this method is topology-independent, but its efficiency is poor.
水平集方法的速度函数定义根据所利用的图像信息可以分为两大类：基于图像梯度和基于图像灰度信息。
The speed function defined in Level set method can be divided into two classes: function based on the gradient of image and function based on the image gray.
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。
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.
采用水平集方法描述结构的拓扑及其变化，使用紧支径向基函数对计算区域的水平集进行插值以得到参数化的水平集方法。
The level set method was adopted to describing the structural topology and its change, and the compactly supported radial basis function was introduced to getting the parametric level set method.
文中首先利用快速均值漂移算法对图像进行过度分割，然后再利用改进的水平集方法进行分割， 最后由轮廓提取算法将感兴趣区域提取出来。
First, fast mean shift algorithm is used to over-segment the image. Second, improved LI-method is used to automatically segment the image.
该模型采用二值化水平集方法实现，避免了传统实现方法水平集函数需要重新初始化为符号距离函数，从而导致稳定性差、计算量大、实现复杂等缺点。
The model was implemented by level set method with a binary level set function to reduce the expensive computational cost of re-initialization of the traditional level set function.
文章研究了基于窄带水平集的曲线演化方法并应用于心脏的MRI图像分割。
The curves evolving method based on narrow band level set is studied and applied in segmentation of cardiac MRI in this paper.
给出了一种对光照变化等实际环境中干扰不敏感的基于水平集和背景减的运动目标检测与分割方法。
Based on level set method and background subtraction, this paper proposed an approach to (realize) robust detection and segmentation of multiple motion objects.
该方法不但提高了分割的精度，而且能够很好地解决单一速度函数水平集算法难以处理的边界缺口问题。
This method not only enhances the accuracy of segmentation, but also solves the bounder gap problem well, which is quite a puzzle for single level set algorithm.
为适应这些要求，该文采用基于水平截集的活动围道图像分割方法，进行了面向工程化的算法实现和C应用程序设计。
So we apply active contour method for engineering applications which are based on level set numerical scheme , and design a program with C.
根据曲线演化和水平集函数演化的思想，提出了一种基于偏微分方程的图像处理方法。
We propose a new image processing method based on PDE with the reference of curve and level-set function involution theories.
在叠前共深度点道集内各地震道的动、静校正误差很小的情况下，地震资料时间域水平叠加方法有较好的叠加结果。
The conventional stack method of seismic data gives quite good results when the errors of time corrections are small enough or the arrivals are near the same.
水平截集算法是一种基于人类视觉特性的边缘检测方法。
Level set algorithm is an edge detection method, based on visual characteristic of human being.
根据脑肿瘤在核磁共振图像上的梯度以及图像中点的强度分布提出了一种新的基于水平集的分割方法。
Proposed a new brain tumor segmentation method based on the level set method using the gradient and the intensity distribution information in magnetic resonance images.
基于水平集活动轮廓模型的图像分割方法凭借其优越的性能、灵活的结构、多样的形式被国内外学者广泛关注。
The image segmentation method based on level set active contour model is widely concerned by domestic and foreign scholars for its superior performance, flexible structure, and diverse forms.
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