...梯度相似性 [gap=1348]words：image registration；generalized nearest-neighbor graph；R6nyi entropy graph；gradient similarity ...
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The metric of the precise registration is combining normalized mutual information and gradient similarity. Powell is used as the optimization to calculate the final parameters.
精配准过程中利用归一化互信息与梯度相似性相结合作为配准的相似性测度,使用Powell优化算法进行搜索,得到最终的配准参数。
参考来源 - 基于Radon变换的多模态医学图像配准·2,447,543篇论文数据，部分数据来源于NoteExpress
A new approach for image registration is proposed based on alignment metric and fuzzy gradient similarity.
提出一种基于对齐度和模糊梯度相似性的图像配准方法。
A fast images matching way is implemented in this paper, which is based on gradient similarity and neighbor expansion.
本文提出基于梯度场相似性和邻域膨胀的快速图像匹配方法。
The applicability of the similarity theory in the surface layer is studied by using the gradient observations of fluctuation and mean fields.
利用实测的脉动场与平均场同步梯度观测资料研究近地层相似理论的适用性。
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