The advanced and efficient algorithm variable scale method for learning is used in bp neural network training . finally the control simulation results are given 在bp网络的训练过程中,采用了自调整的学习算子以加速收敛得到较好的学习效果,最后给出了仿真结果。
Data mining is the knowledge discovery technique oriented to a great deal of data . researching efficient algorithm is one of the important contents in study of data mining 数据挖掘是面向海量数据的知识发现技术,研究高效的挖掘算法是数据挖掘研究的重要内容之一。
( 3 ) a fast and efficient algorithm is presented , which first thins letter images , then uses improved hausdorff distance to measure the degree of similarity between templates and letter images 在车牌切分中,本文提出了一种新的差分二值化算法,并用于车牌图象的二值化。
2 . two kinds of computationally efficient algorithms ( ssca and fam ) for cyclic spectral analysises have been discussed detailly and deeply , both of which are time - smoothing algorithms based on fft 2 .通过对基于时域平滑算法的改进,研究了两种高效的基于fft变换循环谱估计算法ssca和fam 。
In this paper , an efficient algorithm for implementing boolean operations between regions is presented , which can deal with the regions involving several polygons with holes in them 本文提出一个有效的实现区域布尔操作的算法,其中区域可以由多个多边形组成,并且每个多边形可以有多个孔洞。