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gradient vector中文是什么意思

  • 梯度向量

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  • 例句与用法
  • Automatic medical image segmentation based on gradient vector flow
    结合对心脏序列图像的分割
  • Detection of motion - target based on improved gradient vector flow snake model
    基于改进梯度向量流形变模型的动目标检测方法
  • We discuss several different definitions of directional derivative and gradient vector
    摘要讨论了几种不同的方向导数和梯度的定义。
  • The gradient vector can be used to construct the initial errors
    这时可以对梯度向量本身进行分析,或者用这个梯度向量构造初始误差场。
  • Adjoint method provides an efficient tool to calculate the gradient vector of the cost function to the initial field
    利用伴随方法,可以求出该度量函数关于初始场的梯度向量。
  • Therefore the gvf ( gradient vector field ) is used to substitute the traditional potential field and it overcomes the defects of the traditional active contour
    于是,我们采用一种梯度向量流场作为外力,从而有效地克服了传统势能场的弱点,给曲线的移动以很好的指向。
  • When using modem optimization methods , the gradient vector information of the target function is not necessary , so there is much flexible in solving complex optimization problems
    使用现代优化技术时不需要目标函数的梯度向量,因此在解决复杂优化问题时有更大的灵活性。
  • 2 . study the working principle of the vector transducer , mainly for two - dimensional pressure - gradient transducer . and the experimental results for directional pattern of two - dimensional pressure - gradient vector transducer at frequency 3khz and 5khz are given
    重点对本文所要研究的压差式矢量水听器进行研究,并运用消声水池实测数据绘出了二维压差式矢量水听器在3khz和5khz下的指向性图。
  • To corner feature , both gradient magnitude change and direction change of gradient vector are discontinuity in a local image neighborhood , hence gradient - direction variation and gradient magnitude are used as another decision rule of the corner detection to improve antinoise
    为了提高抗噪声,根据角特征不仅灰度变化是不连续的,且相对周围其他点的梯度方向也是不连续的,提出利用梯度角变化和梯度幅值作为角特征检测的另一个准则。
  • There are two methods to optimize the parameters and structures of neuro - fuzzy networks : one is the differential coefficient optimization method based on gradient vector ; the other is based on modern optimization methods , such as genetic methods , simulated annealing etc , in which , the researches on genetic methods are most prominent
    目前,对模糊神经网络的权值或结构进行优化的方法有两类:一类是基于梯度向量的导数优化方法;第二类方法是基于现代最优化技术的非导数优化方法,如遗传算法、模拟退火算法等,其中以遗传算法的研究最为突出。
  • 更多例句:  1  2
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Last modified time:Sun, 17 Aug 2025 00:29:56 GMT

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