...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
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 new approach for image registration is proposed based on alignment metric and fuzzy gradient similarity.
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。
A fast images matching way is implemented in this paper, which is based on gradient similarity and neighbor expansion.
另外，针对进行相似性变换的目标也提出了一种新的候选目标模型，并用类似的梯度下降算法估计目标的平移向量和旋转角度。
Furthermore, a new candidate model is proposed that handles similarity transformation, and the corresponding MS algorithm can be obtained that estimates the translation vector and rotation Angle.
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