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Design and Implemention of Fingerprint Identification Grading Permission System Based on ARM/GSM

Author: XuHongLei
Tutor: ShiHongRui
School: Donghua University
Course: Detection Technology and Automation
Keywords: Embedded systems Linux Fingerprint recognition S3C2440 GSM TC35
CLC: TP391.41
Type: Master's thesis
Year: 2011
Downloads: 97
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Abstract


With the continuous development of information technology, safe and reliable identification technology has become the focus of the study of many systems, system security level is getting higher and higher along with a multi-level security system. Biometrics authentication technology represents the future direction of development. Based on the uniqueness and invariance of the fingerprint with the fingerprint recognition technology is superior to other biometrics authentication method, with high feasibility and practicality of fingerprint authentication technology, fingerprint authentication become the most popular personal authentication technologies. GSM (Global System for Mobile Communications) network basic realization of the vast majority of domestic full coverage, easy security system based on short message secondary verification. Fingerprint recognition technology with the GSM short message communication and embedded systems allows us to complete the system of primary and secondary authentication to improve system safety factor for various occasions. This topic pairs fingerprint identification system and GSM short messaging communications research Kaifa ARM / GSM based fingerprint identification Fenji Quanxianxitong The paper analyzes the research status of this topic and the direction of development of the need for this research project. Global and detail of human fingerprint structural characteristics and classification of the principles and methods of automated fingerprint identification system, the four key steps of the fingerprint identification, fingerprint image acquisition, fingerprint image preprocessing, fingerprint feature value extraction and features matches the value in the analysis and research. Designed ARM / GSM embedded biometric hierarchical permissions system-based hardware platform. Core board, power supply, system reset, system clock, serial interface, USB interface, JTAG interface, fingerprint acquisition module FPS200 interface, GSM short message module TC35 interface hardware circuit gives a detailed design. Linux operating system to the Samsung S3C2440 microprocessor target platform transplantation. Complete cross-compilation environment Bootloader, Linux kernel porting the MiniGUI transplant, in a Linux environment, to write device drivers FPS200 fingerprint chip, fingerprint image acquisition, preprocessing, feature values ??matching and display GSM short message communication programming. The test results show that: the system has a high fingerprint recognition accuracy and good short message instant messaging capabilities.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices > Image recognition device
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