目 录
摘 要 ................................................................................................................................................I
Abstract ........................................................................................................................................II
目 录..............................................................................................................................................III
第一章 绪论................................................................................................................................1
1.1 课题说明 ............................................................................................................................1
1.2 神经网络图像识别的发展现状与应用前景 ....................................................................1
1.3 课题内容及本文结构 ........................................................................................................3
第二章 神经网络理论基础 ......................................................................................................4
2.1 神经网络基本原理 ..........................................................................................................4
2.2 神经网络的分类 ................................................................................................................5
2.3 神经网络学习算法 ............................................................................................................7
2.3.1 Hebb 学习规则 ........................................................................................................8
2.3.2 Delta 学习规则 ........................................................................................................8
2.3.3 竞争(Competitive)学习规则...................................................................................9
2.4 神经网络的特点及应用 ..................................................................................................10
第三章 BP 神经网络.................................................................................................................12
3.1 BP 神经网络基本概述 .....................................................................................................12
3.2 BP 神经网络结构 .............................................................................................................12
3.3 BP 神经网络模式识别 .....................................................................................................14
3.4 BP 神经网络模式识别性能 .............................................................................................17
第四章 图像识别系统设计 ..................................................................................................18
4.1 图像识别原理介绍 ...........................................................................................................18
4.2 图像预处理 ......................................................................................................................20
4.3 图像的分割 ......................................................................................................................23
4.4 特征提取 ..........................................................................................................................25
4.4.1 矩的定义 ...............................................................................................................25
4.4.2 不变矩 ...................................................................................................................26
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