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Ethernet Based Fingerprint Door-lock System Network Design & Realization

Author: ZuoPingHua
Tutor: ZuoQiZhi
School: Sichuan University
Course: Pattern Recognition and Intelligent Systems
Keywords: ARM Fingerprint collection Ethernet 802.3 Embedded
CLC: TP391.41
Type: Master's thesis
Year: 2005
Downloads: 318
Quote: 3
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Abstract


Various system identification based on physiological characteristics such as : fingerprint , palm , voice , retina , pupil and tread identification technology due the unforgeability and carry has advantages , has become the hot research today . Which , according to current theoretical research on fingerprint recognition technology operability is far superior to other biometric technology . Variety of fingerprint authentication products will come into being . In this paper, based on the ARM-based fingerprint access control networking system was designed and implemented . The system adopts the world 's advanced fingerprint chip , with a safe, reliable , easy to expand , can be networked to use , inexpensive , can be widely used in a variety of places require identification . In order to ensure the system is efficient, orderly and stable operation μC/OS- Ⅱ operating system to complete the entire system of task management, task scheduling , to overcome weaknesses design processes and interrupt - based programs in the past , and is very easy to upgrade and extend the functionality of the system . At the same time , solve the ARM transplant μC/OS- Ⅱ . In order to facilitate the remote monitoring and reduce costs , the Ethernet structure to achieve the long-distance transmission of fingerprint data program . Completed the design of the hardware circuit , and by the debugging . Bus read and write data using software to solve problems LPC2104 no data bus and address bus . The Ethernet communication protocol , the completion of the preparation of the data transmission driven programming . Fingerprint Access stand-alone system , the use of this program has the following advantages : 1) system cost can be saved using the Ethernet structure of many existing Ethernet network system does not require specialized wiring , installation simple and convenient, easy expansion . 2 ) operating systems to increase system stability and reliability , and to facilitate the software upgrade . 3 ) due to the storage of the fingerprint image and fingerprint recognition is done on the PC , to improve recognition speed and recognition accuracy can be

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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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