最优化计算 meaning in English
optimization calculation
Examples
- In designing a multi - structuring elements filter , combination rules and structuring elements of the morphological transform are determined automatically , and one kind of neural networks is taken for the filter , in optimzing structural parameters of the filter , three computation methods are designed respectively , by adopting some priori information in application fields to guide optimal structural parameter learning procedure , which are the bp adaptive learning algorithm , the heuristic genetic learning algorithm and the inductive simulated annealing learning algorithm
在多结构基元滤波器设计中，通过学习人-机交互选定的目标样本，自动确定形态变换的组合规则及其结构元素，最终以神经网络形式构成滤波器。在结构参数的优化学习中，利用应用领域的先验知识，分别设计了自适应bp学习、启发式遗传学习和引导式模拟退火学习等三种最优化计算方法。 - Among hese method , one of the simplest is the deepest gradient descent algorithm , but it has one disadvantage that the solutions are oscillatory and slowly convergent . a friction term is ntroduced to avoid oscillatory solutions and raise convergence rate . the third major contribution of this dissertation is study on 3 - d diffuse object surface optical automatic measurement
其次，结合要处理的具体问题，介绍数值优化及几种常用的无约束最优化计算方法，以最优梯度法为基础，讨论其算法的优缺点，通过引进阻尼系数，改进了算法的收敛速度，从而提高迭代精度。