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研究生:宋東翰
研究生(外文):Tung-han Sung
論文名稱:視訊監控系統之即時入侵物體偵測及其FPGA硬體實現
論文名稱(外文):Real Time Intrusion Object Detection for Video Surveillance System and Its Implementation on FPGA
指導教授:賴文能賴文能引用關係
指導教授(外文):Wen-Nung Lie
學位類別:碩士
校院名稱:國立中正大學
系所名稱:電機工程所
學門:工程學門
學類:電資工程學類
論文種類:學術論文
論文出版年:2006
畢業學年度:94
語文別:中文
論文頁數:98
中文關鍵詞:視訊監控系統即時入侵物體偵測
外文關鍵詞:Video Surveillance Systemmotion detectionobject detection
相關次數:
  • 被引用被引用:4
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  • 評分評分:
  • 下載下載:0
  • 收藏至我的研究室書目清單書目收藏:4
近幾年來,社會治安問題越來越嚴重,例如:美國紐約911事件、倫敦地鐵爆炸案與台灣南迴鐵路搞軌案等等,這些問題對人身安全與財產保障都影響甚為嚴重。故藉助於科學儀器的需求日增,可以藉由監控重要地點來輔助蒐集證據或過濾可疑人物。為了防範恐怖事件發生或保障生命財產安全的需求,視訊監控系統 (Video Surveillance System) 近幾年來為學術界與產業界在研發上的熱門話題。
在市面所看到的視訊監控系統皆需要監控人員全程監控,以及監視下全時段的影片錄影存檔下來,但這是人力與物力資源的損耗並可能錯過偵測事件發生的良機。所以在新一代的視訊監控系統,為了彌補這種缺失,設計時將系統分為三大部分:影像擷取、影像分析與事件回報。影像分析是本論文的研究主軸,我們整合並改進了過去文獻所提的偵測移動物體方法並進行實驗與分析。本論文系統的架構主要包括四大部分:畫面取樣縮減 (Down-Sampling)、偵測移動物體 (Motion Detection)、後處理模組 (Post-Processing Module) 與事件偵測 (Event Detection)。
本論文目的為視訊監控系統之即時入侵物偵測,最主要是同時考慮到入侵物偵測的正確性與硬體化的可行性,為了能證明所開發的演算法適合做成IC產品,我們更用FPGA去驗證此一演算法。根據C語言的模擬結果,我們可以看出本論文提出的架構有不錯的表現,且能夠在FGPA上實現出來,並在一般的視訊監控影像中即時偵測到入侵物體。
Since the 911 event in year 2001 in USA, to the London subway explosion this July, the terror events have made the security control important and a new area in the market. Among them, video surveillance is the most promising and interesting issue. By the way, the public security is worse. Hence, using scientific equipments as an aid is attractive. For examples, we can collect rescues from the video that are recorded by the cameras installed on the roadside or in the convenient stores. Currently, digital video recorder (DVR), IP camera, and intelligent tracking camera are most promising in video surveillance products. This project is established to investigate the kernel technology (detection of intrusion objects) of the latter two so that the techniques can be successfully developed and transferred to the cooperated companies to enhance their competing capability.
第一章 緒論
1.1 研究動機與應用
1.2 文獻綜覽
1.3 本論文所採用的方法
第二章 入侵物體偵測方法之總覽
2.1 時間差值法
2.2 背景減除法
2.3 中通濾波器偵測法
2.4 類神經網路偵測法
2.5 陰影模式偵測法
2.6 先前方法比較
第三章 視訊監控系統計算架構
3.1 系統概述
3.2 入侵物體偵測法則
3.2.1影像縮減取樣模組
3.2.2移動物體偵測模組
3.2.3背景更新程序
3.3 後處理模組
3.3.1 型態學
3.3.2 相連單元標記法
3.3.3 自動臨界值調整
3.4 事件偵測
3.4.1 移動物體方向偵測
3.4.2 火災偵測
第四章 C程式的模擬結果與討論
4.1 影像縮減取樣實驗
4.2 入侵物體偵測實驗
4.3 背景更新實驗
4.4 事件偵測實驗
4.5 討論與分析
第五章 視訊監控系統之FPGA硬體設計
5.1 FPGA發展系統
5.2 FPGA硬體整體架構設計
5.3 時間差值法硬體設計
5.4 整合時間差值與背景減除法的硬體架構
5.4.1 畫面縮減取樣硬體設計
5.4.2背景更新程序與背景減除之硬體設計
5.4.3 SVGA Display硬體架構設計
5.4.4即時偵測處理與平行化演算法處理
5.5 FPGA輸出影像分析
第六章 結論與未來研究方向
6.1 結論
6.2 未來研究方向
參考文獻
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