摘要为了进一步提高我国教育事业的自动化,降低教师对学生进行考勤的难度,将借助自动化的专业知识和技能,同时结合了一些高科技设备,研制并开发出了一种课堂自动点名器。而本文提出并设计了一种课堂自动点名器,本设计以51单片机为核心，指纹识别模块和存储器模块为附属而设计，利用了51单片机的控制和处理功能，指纹识别模块对指纹的录取和存储器存储指纹数字信号的功能。经测试，本设计较好地实现了课堂考勤功能具有一定的使用和推广价值。51807

毕业论文关键词：指纹识别  课堂自动点名器  51单片机  图像处理

Class Automatic Roll Call Device Based on Fingerprint Identification

Abstract

In order to further improve the automation of the educational undertaking of our country, reduce difficulty of teachers to students in attendance, with the automation of professional knowledge and skills, combined with a number of high-tech equipment, research and development out of the a class automatically named device. And in this paper, and design a kind of automatic named classroom is, this design with 51 single chip microcomputer as the core, fingerprint identification module and memory module designed as a subsidiary, using 51 single-chip microcomputer control and processing, fingerprint identification module of the fingerprint of admission and memory storage refers to the lines of the digital signal. Through the test, this design has realized the class attendance function to have certain use and the promotion value. 

Key words:Ingerprint sensor   MCS-51 chip   Image processing  Image identification

目录

摘要 Ⅰ

ABSTRACT Ⅱ

目录 Ⅲ

图清单 Ⅳ

表清单 Ⅳ

1 绪论 1

1.1设计指纹识别模块的背景 1

1.2设计的目标与设计过程中存在的问题 2

2指纹识别的方案设计和论证 4

2.1指纹识别硬件原理设计 4

2.2指纹识别系统的程序算法 5

2.3指纹图像处理的具体算法及实现的具体过程 6

3电路设计部分 8

4软件设计 10

4.1主要流程 10

4.2 89C52单片机控制程序 10

5．安装和调试 13

5.1硬件部分的调试 13

5.2软件部分的调试 15

6 结论 16

参考文献 17

致谢 18

图清单

图序号 图名称 页码

图1-1 课堂自动点名器的基本原理框图 2

图2-1 指纹识别系统设计框图 4

图2-2 系统硬件的接口图框 5

图3-1 52芯片引脚 8

图5-1