影像處理運用於家庭防盜保全之研究; Study of Home Security by Applying Image Processing Technology

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Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/9932

Title:	影像處理運用於家庭防盜保全之研究;Study of Home Security by Applying Image Processing Technology
Authors:	錢政治;Cheng-Chih Chien
Contributors:	電機工程研究所
Keywords:	電荷耦合元件;視訊監控系統;Video Surveillance and Monitoring;Charge Coupled Device
Date:	2005-06-16
Issue Date:	2009-09-22 12:01:04 (UTC+8)
Publisher:	國立中央大學圖書館
Abstract:	摘要本論文主要在設計一個適用於家庭防盜保全且兼具即時(Real-Time)、精確(Accurate)、自動化(Automated)、數位化(Digitized)的視訊監控系統( Video Surveillance and Monitoring , VSAM)。本研究的系統主要由電荷耦合元件(Charge Coupled Device, CCD)、影像擷取卡(Image Capture Board, ICB)及個人電腦(Personal Computer , PC)所組成。當系統啟動時提供錄影及動態偵測兩種監控模式供使用者選擇。其中動態偵測模式的原理，是將CCD及影像擷取卡所擷取的前景影像，使用三種不同的灰階方程式灰階化後，再與我們事先建立的背景影像，利用背景相減法(Background subtraction)、二值化(Binarization)等方式，判斷監測畫面是否有移動物闖入。若沒發現移動物就將此時的前景影像與背景影像結合，產生新的背景影像，增加系統的準確性；當系統發現有移動物闖入，電腦開始儲存影像並紀錄時間，做為日後警方蒐證使用並且發出警報，達到抑制犯罪的目的，用以改善傳統視訊監控系統的缺點。在程式的選擇上，本研究使用Borland C++ Builder 6.0來實現影像處理與使用者的介面，最後搭配ACDSee 5.0來檢視資料庫內監控系統所儲存的影像。 Abstract This paper is mainly to design a Video Surveillance and Monitoring (VSAM) system whose feature is Real-Time, Accurate, Automated, and Digitized. The structure of this study consists of Charge Coupled Device (CCD), Image Capture Board (ICB), and Personal Computer (PC). When system is initiated, it provide users with the recording mode and the motion detection mode for which users can decide what mode will be used. The idea of the motion detection mode is to capture the front image from the CCD and ICB, then it employs three different grayed equation to gray image. After graying image, we take this gray image to subtract the background and binary method. Finally, we can monitor the image to check whether someone breaks into. If nothing found on image, we combine the front image and the background image to a new background one which can increase the stability of the system; if something breaks into, the computer starts to store the image and recodes the time, which can help police survey. And the system will alarm if someone breaks into. It can achieve the goal to suppress the guilt and to improve the drawback of the traditional monitor system. On choosing the program language to design our system, Borland C++ Builder 6.0 is adopted to execute the image processing and the user interface, and we combine the ACDSee5.0 to view the stored image in the database.
Appears in Collections:	[Graduate Institute of Electrical Engineering] Electronic Thesis & Dissertation

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