1) Powell-Beale algorithm
Powell-Beale算法
2) Powell algorithm
Powell算法
1.
To train the weights of NN,it proposed a new hybrid algorithm consisting of Powell algorithm and simulated annealing algorithm with adaptive cooling schedule.
为解决非线性系统辨识和预测问题,以多层前向网络为模型框架,采用带自适应冷却进度表的模拟退火算法与Powell算法构成新型混合算法,训练网络的权值。
2.
The algorithm consists of Powell algorithm and simulated annealing algorithm with adaptive cooling schedule.
针对训练神经网络权值的BP算法容易陷于局部最小值点的问题,提出了带自适应冷却进度表的模拟退火算法与Powell算法构成新型混合算法,用该算法训练网络的权值。
3.
The non-linear least square formula for the difference of reference and sensed images is seen as the object function for Powell algorithm in which motion parameters are used as variations.
用参考图像和待配准图像构造的非线性最小二乘公式作为Powell算法的目标函数,并且以运动参数作为变量。
3) Powell search algorithm
Powell算法
1.
With modified mutual information(MI) measure,Powell search algorithm is utilized to realize mono-modality image registration.
主要改进了互信息和归一化互信息的公式,减小了互信息的计算量;改进了Powell算法,保持了原搜索方向并有效避免了局部极值;用预设旋转量的方法解决了同模态医学图像配准的局部极值问题,同时,还讨论了Powell收敛阈值对配准速度的影响。
2.
A novel algorithm that combines the global search ability of PSO algorithm and the local best result of Powell search algorithm is proposed where,after each time iterated algorithm of PSO,a Powell algorithm is used to get the best result of the current local result.
提出了一种基于粒子群算法PSO和Powell的混合优化算法,将PSO算法的全局搜索能力与Powell算法的局部寻优能力有机地结合起来。
4) GA-Powell
GA-Powell算法
1.
According to analyzing the inherent characteristics of SAR images,the paper puts forward a SAR image registration technique based on ROEWA operator and GA-Powell algorithm.
为此,本文根据SAR图像的固有特点,提出了一种基于ROEWA算子和GA-Powell算法的SAR图像配准方法。
5) Powell optimization algorithm
Powell寻优算法
1.
In this paper, CT/PET multimodality medical image registration is performed by a region similarity measure(RSM), accompanied with an improved segment method and Powell optimization algorithm.
结合Powell寻优算法实现了CT／PET多模医学图像配准。
6) Davidon Fletcher Powell
Davidon-Fletcher-Powell算法
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CAS号：
性质：学名苯乙烯-2-乙烯吡啶共聚物。微黄色粉末或透明小颗粒晶体。无臭，无味。不溶于水，溶于酸、乙醇、丙酮、氯仿。有抗水、防潮性能，适用于多种药片的包衣等。
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