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研究生:謝明機
研究生(外文):Ming-Chi Sheih
論文名稱:影像暴露監測資訊整合系統之研發
論文名稱(外文):Development of an Internet-based Video System(EVS) for occupational exposure assessment
指導教授:王鵬堯王鵬堯引用關係
指導教授(外文):Peng-Yau Wang
學位類別:碩士
校院名稱:國立中央大學
系所名稱:環境工程研究所
學門:工程學門
學類:環境工程學類
論文種類:學術論文
論文出版年:2004
畢業學年度:92
語文別:中文
論文頁數:84
中文關鍵詞:影像暴露資訊整合暴露評估影像暴露監測技術
外文關鍵詞:video exposure monitoring techniqueexposure assessment
相關次數:
  • 被引用被引用:3
  • 點閱點閱:103
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本研究已成功整合影像擷取技術、勞工身份辨識設備、資料庫管理技術及網際網路傳輸技術,研發出一套可整合勞工影像監測資料之系統。本系統利用具有紅外線定位能力之E-PAS系統提供勞工身份、區域位置及區域濃度資訊,同時利用影像擷取卡、監控攝影機結合個人電腦構成區域伺服器(Local Server)以進行影像擷取及影像儲存,之後透過網路傳送勞工監測資訊至中央伺服器(Central Server)並可即時估算勞工暴露量。此外,本系統利用分散式架構及事件驅動概念能有效節省影像儲存容量及整合勞工身份、區域停留時間、區域位置、作業影像等暴露資訊。

依據系統基本性能測試結果顯示,本系統目前已可進行4個區域之勞工即時監測並估算勞工暴露量。實驗結果也顯示影像擷取設備可穩定提供每秒影像資訊,其單張影像擷取時間在0.58~ 0.62秒。另外,本系統對於30分鐘的暴露資訊僅需39秒便可透過網路整合影像資料以提供研究人員進行回顧分析。最後本系統於連續5天模擬危害暴露測試實驗中,中央伺服器可正確記錄具有暴露危害的時段,其記錄觀察正確率可高達99%以上,顯示本系統可正確整合影像暴露監測資訊,並提供研究人員進行暴露資訊回顧分析。
An Internet-based Video System(EVS) has been developed by integrating video capture, personal identification, database management, and auto-rendering techniques. The EVS uses multi-camera to capture worker’s activities, and stores images in its local video server when a particular worker entering the predefined working area. Meanwhile, all other exposure related messages, such as worker’s identifications, positions, and exposed concentrations are continuously sent back to the central server through internet. But, in order to reduce the demand of internet bandwidth, video clips are temporally stored in the local server until receiving the retrieving command sending from the central server when a particular exposure event needed to be reviewed. By tracking worker’s position, we were able to retrieve video clips from different local video servers, and integrated them into a movie like video. The gives the research a great tool to improve their efficiency when doing a behavior-based safety or exposure assessment is required. Laboratory results showed that it took only 39 seconds to retrieve 30 minutes videos form local servers for retrospect analysis. The EVS successfully reported 99% of the high exposure events and those workers images in a 5 days no-stop laboratory experiment. These results indicated that the EVS can integrate exposure information correctly, and offer researchers to review and analyze the exposure information.
第一章 前言 1
1.1 研究緣起 1
1.2 研究目的 2
1.3 研究內容 3
1.4 研究流程 4
第二章 文獻回顧 5
2.1 暴露評估方法 5
2.2 影像暴露監測系統 7
2.2.1 VEM系統 9
2.2.2 PIMEX系統 12
2.2.3 CAPTIV系統 14
2.2.4 ATVMS系統 15
2.3 勞工時間-活動模式監測系統 17
2.3.1 IR-TAP系統 17
2.3.2 E-PAS系統 18
第三章 系統設計與開發 21
3.1系統設計理念 21
3.1.1 E-PAS子系統運作原理 22
3.1.2 區域伺服器(Local Server)運作原理 23
3.1.3 中央伺服器(Local Server)運作原理 25
3.2 系統架構 27
第四章 系統開發與實作 30
4.1各項子系統硬體規格及功能介紹 30
4.1.1勞工身份辨識子系統 31
4.1.2 區域伺服器(Local Server)子系統 32
4.1.3 中央伺服器(Central Server)子系統 34
4.2軟體設計 35
4.2.1區域伺服器(Local Server)程式 35
4.2.1.1 E-PAS資料封包處理單元 35
4.2.1.2影像擷取單元 37
4.2.1.3查詢指令處理單元 39
4.2.2中央伺服器(Central Server)程式 41
4.2.2.1 勞工暴露資訊整合單元 41
4.2.2.2 查詢回顧分析單元 43
4.3 系統架設與操作方法 46
4.3.1 系統架設 46
4.3.2系統操作方法 48
4.3.2.1 中央伺服器程式操作方法 48
4.3.2.2 區域伺服器程式操作方法 51
第五章 系統性能測試及結果討論 53
5.1 系統基本性能測試 53
5.1.1 封包傳遞正確率測試 53
5.1.2 影像擷取效率測試 56
5.1.3 元件指令正確性測試 58
5.1.4 影像擷取穩定性測試 61
5.2 實驗室模擬測試 62
5.2.1 E-PAS定位測試 67
5.2.2 氣體感測器校正及測試 68
5.2.3 擷取正確率測試 72
5.2.4 系統整合所需時間測試 75
5.3 長期測試 77
第六章 結論與建議 79
6.1 結論 79
6.2 建議 81
參考文獻 82
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