片语

Deformation Gradient Vector变形梯度向量

Gradient Mean Vector梯度均值矢量

gradient vector flow model梯度矢量流模型

directional gradient vector方向梯度矢量

gradient vector flows梯度向量流

gradient vector field梯度向量场

fast gradient vector flow快速梯度矢量流

multiscale gradient vector field多尺度梯度矢量场

Gradient Vector Folw度矢量流

英汉例句

• v So -- So if the gradient vector is perpendicular to v OK, that「s a good start.

  所以梯度向量垂直于,很好，这是一个很好的开始。

• 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。

• Objective: To investigate the potential of gradient vector flow(GVF) Snake model as a method of image segment in radiographic absorptiometry method(RA) which is used to qualify bone mineral density.

  结果：实验表明梯度矢量流模型有较好的鲁棒性和实用性，分割结果与实际边界非常吻合。

• So, if you prefer, that」s where the gradient vector is zero.

  认为梯度向量为零也是可以的。

• After simplifying the gradient vector formula THC quasi-gradient vector formula is inferred according to the feature of power systems.

  并根据电力系统的特点对该公式进行了简化，得到準梯度向量公式。

• The discrete gradient vector filed based on the Morse theory is presented, and is applied to visualization of topologies.

  研究了基于莫尔斯理论的离散梯度向量域方法，并将其应用于拓扑可视化。

• If I fix a point, then the gradient vector at that point is given to me.

  确定一点，那么对我来说，这点的梯度向量就是确定的。

• 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。

• The gradient vector would be going perpendicular to the level.

  梯度向量应该垂直于等值线。

• We presented a novel and fast convergent skeleton snake model based on gradient vector flow (GVF).

  提出了一种基于梯度矢量流(GVF)的快速收敛骨架snake算法。

• And we know how to find a normal vector to the level set, namely the gradient vector is always perpendicular to the level set.

  我们是知道如何去求水平集的法向量的，也就是垂直于水平集的法向量。

• 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。

• Objective To put forward an improved gradient vector flow (GVF) snake model based on the edge flow for segmentation of medical ultrasonic images of the lymph node.

  目的提出一种基于边缘流的梯度矢量流（gradientvectorflow，GVF）形变模型的图像分割方法，并用于淋巴结超声图像的分割。

• The formula of the gradient vector of every performance function is derived, and the iterative and recurrence formulas of collapse probability of section are obtained.

  由截面各类复合内力的极限状态建立截面破坏的各类功能函数，导出了各类功能函数的梯度向量计算公式，以及破坏概率计算的迭代、递推公式。

• In this paper the transmission of paraxial light beams was analyzed based on the gradient vector potential of electromagnetic field.

  本文运用电磁场的梯度矢势分析了一般情况下傍轴光束的衍射传输问题。

• Does the gradient vector, why is the gradient vector perpendicular in one direction rather than the other?

  梯度向量的垂直方向，为什么是这样而不是另外一个方向？

• This indicates that there is more profound physical meaning of the gradient vector potential of electromagnetic field.

  因此，它表明电磁场的梯度矢势具有更明显的物理意义。