내장형 리눅스를 위한 DVR 시스템 설계 및 구현
(A) Study on the Design and Implementation of DVR System for Embedded Linux
내장형 리눅스 DVR시스템;
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DVR system is the monitor system unit having three combined functions. First function is recording and searching which can make it possible to search recorded digital image on time by compression and saving digital signal making high quality screen at computer disk after capturing analog signal inputted from CCTV capture board. Second function can make us watching many different cameras at on monitor. Last function is make us watch some place remote from user by using digital networking As many advantage come from application of embedded system, DVR monitor system unit is quickly replacing CCTV as monitor unit. Also linux is suitable for embedded OS of DVR system as linuxhave powerful networking function and micro kernel that can add driver or other functions to kernel on run-time by module.WeI reconstructed DVR system installed embedded linux by using several pc cam and computer installed linux therefore We can find the way to be developed and DVR system structure by studying function and principal of DVR system.