gradient vector flow的意思|示意
梯度矢量流
gradient vector flow的网络常见释义
梯度向量流 Xu等[8]于1998年提出了GVF-snake模型：在snake模型中引入 梯度向量流 ( Gradient Vector Flow )作为外力， 梯度向量流 扩大了轮廓线的力场范围，并且在凹陷区域有指向凹陷内部的力场矢量，从而解决了传统的snake模型初始化困...
然后介绍了梯度向量流 然后介绍了梯度向量流(Gradient Vector Flow,GVF)模型。梯度向量流模型是一种具有代表性的主动轮廓模型,它从广义力平衡方程出发,利用能量最小化公式,应用...
梯度矢量流模型 ...模型; 梯度矢量流模型 [gap=901]Key words】Radiographic absorptiometry method(RA); BMD; Snake model; Gradient Vector Flow(GVF) ...
gradient vector flow相关短语
1、 gradient vector flow model 梯度矢量流模型
2、 fast gradient vector flow 快速梯度矢量流
3、 General Gradient Vector Flow 广义梯度矢量流
gradient vector flow相关例句
According to features of edge gradient maps of face images, a new eye feature extraction algorithm based on gradient vector flow field was proposed.
根据人脸图像的边缘梯度图提出了一种新的基于梯度向量流场的眼睛特征提取方法。
In this paper, on the basis of Gradient Vector flow (GVF) snakes, a fully automatic image segmentation algorithm based on the analysis of flow field and the minimal path method is proposed.
人工干预使蛇模型只能用于半自动的图像分割，该文在梯度向量流(GVF)蛇模型的基础上提出一种基于流场节点与最小路径方法的全自动图像分割算法。
In this thesis, a new deformable model called Iterative Gradient Vector Flow (IGVF) is developed.
本文提出了迭代梯度矢量流参数变形模型(IGVF)。
A new ellipse extraction algorithm based on the ellipse-special deformable templates and gradient vector flow (GVF) was proposed.
给出一种结合梯度矢量流(GVF)及椭圆变形模板的椭圆提取新算法。
The optimal real power flow is computed on the basis of the quasi-gradient vector by means of gradient method, conjugate gradient method and DPF method.
并用算例用基于准梯度向量的准梯度法、准共轭梯度法和变尺度法求解有功优化潮流。
At the same time, how to get the approximate road hollow position is solved to realize the road contour extraction by gradient vector flow model with iterative solution.
通过梯度矢量流模型迭代求解，解决道路凹陷位置逼近问题，最终实现道路提取。