指纹识别技术在罪犯指纹点名管理系统中的应用

【作者】 朱剑明；

【导师】 廖建明； 张登高；

【作者基本信息】 电子科技大学 ， 计算机技术， 2005， 硕士

【摘要】 随着社会的发展，传统的基于信物或口令的安全系统，如钥匙、密码、身份证件，甚至IC卡等，由于它们具有可假冒、可伪造、可盗用、可破译的弱点，已不能完全满足现代社会经济活动和社会安全防范的需要。随着计算机与信息技术的发展，通过辨识人的生理和行为特征如人脸、指纹，视网膜、DNA、声音等进行身份验证的生物识别技术的研究受到了广泛的关注。指纹的唯一性和不变性，使指纹识别技术优于其它生物识别技术，成为最可靠的生物识别技术，广泛应用于司法、公安和各种安全防护系统。近年来，随着低价位指纹采集仪的出现以及高可靠算法的实现，使得自动指纹识别技术越来越多的进入到人们的生活和工作中，自动指纹识别系统的研究和开发正在成为国内外学术界和商业界的热点。 本论文对指纹识别技术、自动指纹识别系统及指纹算法理论进行了初步研究，对指纹图像处理过程中所涉及的指纹图像预处理(包括指纹灰度图滤波、二值化和细化)、指纹特征提取及指纹特征匹配等三个阶段的指纹算法进行了研究分析，并对指纹识别产品进行了全面的市场调查。结合监狱管理对罪犯身份验证方案的具体要求，采用DP公司的光学指纹采集仪及中控科技的SDK软件包等指纹识别产品进行了系统二次开发，初步提出了基于指纹识别的个人身份验证方案，针对罪犯身份验证而研制开发了自动指纹识别系统——罪犯指纹点名管理系统，详细分析了指纹识别技术，即指纹登记和指纹识别功能模块的软、硬件设计，最终实现对罪犯的实时点名。 通过本研究工作证明了系统设计合理，方案可行，有重要的实用价值与广泛的应用前景。更多还原

【Abstract】 With the development of our society, The traditional security systems which based mainly on token or password, such as key, password, ID card and even IC card, have fallen behind the needs of economic activity and social security, This is because that they would be forgetable, falsifiable, stolen or decodable. With the development of electronic computer and information technology, the identification technology using biometric, automatic identification an individual by using certain physiological or behavioral characteristics associated with the person, have drawn more attention, such as face、fingerprint、iris、DNA and voice etc. Because of the In invariability and uniqueness of the fingerprints, fingerprint recognition technique is superior to others and is becoming the most reliable biometric recognition technique, widely used in forensic, police and other security system recently。AFIS (Automated Fingerprint Identification System) is applied in daily life more and more with the appearance of cheap collector and the effective algorithms. AFIS is becoming the research center of academic and commerce.In this paper, we have studies and analysed Fingerprint recognition、Automatic fingerprint identification system and fingerprint identification alogthium at first. The alogthium is mainly composed of three sections, which are fingerprint preprocessing (includes gray_level image filtering、binarization and thinning)、feature extraction and fingerprint matching. Market investigate about fingerprint recognition product is do. the seconds programming uses optics fingerprint collection apparatus in DP company and SDK software pack in zhongkong company. the Individual Identity-Authentication scheme is designed to meet the requirement of the jail, which was based on fingerprint identification technology, we estblished antomatic fingerprint identification system (AFIS) -the registration management system by fingerprint to verify prizoners’ identity for jail. It includes the designs of system hardware and software. Identification software, the core of our AFIS consists of fingerprint image register and fingerprint verification module.The results show that the design of the fingerprint identification system is reasonable and realizable. It would have a wide range of applications and a bright future.更多还原