目录
第一章 绪论......................................................................................................................................1
1.1 研究的背景及意义.............................................................................................................1
1.2 指纹识别技术.....................................................................................................................1
1.2.1 指纹识别技术发展现状.........................................................................................1
1.2.2 指纹识别技术的特点.............................................................................................2
1.3 本课题的内容.....................................................................................................................3
第二章 指纹识别系统实现原理......................................................................................................3
2.1 人类指纹特征.....................................................................................................................3
2.1.1 指纹的总体特征....................................................................................................4
2.1.2 指纹的局部特征.....................................................................................................5
2.2 指纹图像的分割.................................................................................................................6
2.2.1 指纹图像分割概述.................................................................................................6
2.2.2 均值方差法.............................................................................................................7
2.3 指纹图像的细化.................................................................................................................8
2.3.1 指纹图像细化的预处理.........................................................................................8
2.3.2 指纹图像细化方法计算.........................................................................................9
2.4 指纹图像的匹配...............................................................................................................10
第三章 指纹识别系统硬件设计....................................................................................................11
3.1 系统总体设计...................................................................................................................11
3.1.1 指纹识别系统功能简述.......................................................................................11
3.1.2 系统核心部件单片机...........................................................................................11
3.2 指纹识别系统电路设计...................................................................................................12
3.3 硬件系统组成模块电路...................................................................................................13
3.3.1 下载口模块...........................................................................................................13
3.3.2 显示模块...............................................................................................................13
3.3.3 电源模块...............................................................................................................14
3.3.4 时钟模块...............................................................................................................14
3.3.5 复位模块...............................................................................................................14
3.4 指纹模块...........................................................................................................................15
3.4.1ZMF-206 指纹识别模块.........................................................................................15
第四章 软件系统设计....................................................................................................................17
4.ZFM-206 指纹识别模块指令系统.......................................................................................17
4.1.1 通信方式...............................................................................................................17
4.1.2 主要通讯协议命令说明.......................................................................................18
4.2 单片机的程序设计流程图...............................................................................................21
第五章 实物的制作与系统调试....................................................................................................22
5.1 硬件材料..........................................................................................................................22
5.2 硬件的焊接与组装..........................................................................................................22
