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毕业设计(论文)
题 目:
人脸识别系统的设计与实现
学 生:
指导老师:
系 别:
专 业:
班 级:
学 号:
2018 年 5 月
I
人脸识别系统的设计与实现
摘 要
近几年以来,随着互联网技术的快速发展,互联网信息技术广泛被应用到生活的各个
方面,互联网技术在人们生活中发挥着越来越重要的作用。人脸识别系统已经成为互联网应
用研究的一个重要的部分。人脸作为一种重要的生物特征,具有唯一性、随身携带的优点,
而且人脸图像的采集条件相对宽松,因此人脸识别技术被大量地用作口禁、安检等相关领域。
本文对人脸识别系统进行了相关研究。
本课题所探究的 Android 人脸识别系统的设计与开发,在 Android 平台上对人脸识别
系统的各个模块分别进行了实现,该系统包括手机摄像头获取人脸图像,同时可通过切换前
后摄像头控制图像的输入。采用肤色结合 AdaBoost 算法进行人脸检测,然后对人脸进行几
何归一化、光照预处理,将处理后的人脸进行存储,提取特征向量,然后通过计算采集的人
脸与人脸库中存在的样本的相似度达到匹配识别的功能。最后通过对系统实现识别运行时间
的计算W及实际的识别率测试,验证了系统基本能够满足实时性与准确性的要求
关键词:人脸识别;Android;安全
III
Abstract
In recent years, with the rapid development of Internet technology, the Internet
information technology has been widely used in all aspects of life. Internet technology
plays a more and more important role in people's life. Face recognition system has
become an important part of Internet application research. As an important biological
feature, human face has the advantages of uniqueness and carry, and the acquisition
conditions of face image are relatively loose, so face recognition technology has been
used in many fields as mouth ban, security inspection and so on. Face recognition
system is studied in this paper.
The design and development of the Android face recognition system in this
subject are implemented on the Android platform. The system includes each module
of the face recognition system, which includes the mobile camera to obtain the face
image, and can control the input of the image by the camera before and after the
handover. The face detection is carried out with the skin color combined with AdaBoo
algorithm, and then the face is normalized and preprocessed. The face is stored and
the feature vectors are extracted. Then the features of the face and the samples in the
face library are calculated by calculating the similarity of the samples. Finally,
through the recognition of the running time and the recognition rate of the system, it is
verified that the system can meet the requirements of real-time and accuracy in W.
Key words: face recognition; Android; security
IV
目 录
摘 要...........................................................................................................................................I
ABSTRACT ..................................................................................................................................III
目 录 ............................................................................................................................................IV
1 绪论............................................................................................................................................1
1.1 研究背景及意义.............................................................................................1
1.2 研究现状.........................................................................................................1
1.3 本文主体结构.................................................................................................2
1.4 本章小结.........................................................................................................2
2 开发环境和相关技术 .................................................................................................................3
2.1 开发环境.........................................................................................................3
2.1.1 系统硬件环境.....................................................................................3
2.1.2 系统软件环境.....................................................................................3
2.2 开发技术.........................................................................................................3
2.2.1 Java 简介...........................................................................................3
2.2.2 MyEclipse 介绍................................................................................3
2.2.3 Android 简介.....................................................................................4
2.3 本章小结.........................................................................................................4
3 需求分析 ....................................................................................................................................5
3.1 需求分析.........................................................................................................5
3.2 系统性能分析.................................................................................................5
3.3 可行性分析.....................................................................................................6
3.4 系统数据流图.................................................................................................7
3.4 系统流程分析.................................................................................................7
3.5 本章小结.........................................................................................................8
4 系统功能模块设计 .....................................................................................................................9
4.1 系统体系结构设计.........................................................................................9
4.2 概要设计........................................................................................................9
4.2.1 系统物理结构.....................................................................................9
4.2.1 系统网络拓扑结构图.......................................................................10
4.3 处理流程设计...............................................................................................11
4.3.1 人脸数据获取模块��...................................................................11
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