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系統識別號 U0002-2306201021044000
中文論文名稱 網際網路之擴增實境3D校園之研究
英文論文名稱 The Research of Augmented 3D Virtual Campus on the Internet
校院名稱 淡江大學
系所名稱(中) 資訊工程學系博士班
系所名稱(英) Department of Computer Science and Information Engineering
學年度 98
學期 2
出版年 99
研究生中文姓名 吳姬正
研究生英文姓名 Ji-Jen Wu
學號 894190148
學位類別 博士
語文別 英文
口試日期 2010-05-28
論文頁數 109頁
口試委員 指導教授-葛煥昭
委員-蔣定安
委員-王亦凡
委員-黃俊堯
委員-郭經華
委員-葛煥昭
中文關鍵字 普及式運算  周遭感知  3D虛擬校園  虛實社群 
英文關鍵字 pervasive computing  context-aware  3D Cyber campus  place-based 3D augmented (PDA) community 
學科別分類 學科別應用科學資訊工程
中文摘要 隨著電腦科技的進步,越來越多研究議題針對網路虛擬環境進行研討,而在眾多的網路虛擬環境研究中,由於虛擬環境與實際環境互動的需求與日俱增,加上近年來半導體產業與嵌入式系統越來越發達,行動式設備的運算能力越來越強,使得過去網路虛擬實境需仰賴桌上型電腦的高效能計算的藩籬已逐漸消失,所以本論文進一步探討在網路虛擬環境互動系統中加入行動運算後,所需面臨的相關整合議題。為了解決這些衍生的議題,本研究以普及式運算(pervasive computing)為出發點,運用內容感知(context-aware)技術,提出一個專門服務虛實世界互動時,所需要的社群互動內容感知框架(PDA community framework),該框架目的主要是用來增進真實世界的使用者與虛擬環境的使用者的共同體驗(co-experience)。為了達到PDA community framework所需提供的服務,本論文進一步探討所需的服務議題,其中包含為了行動使用者,提高虛擬環境應用程式連線狀態的穩定性的持久性網路服務、分擔運算負載量和控制資料傳輸以彌補行動設備的資源缺乏的視覺感受一致服務、以及讓行動設備所獲得的即時座標資訊能夠與虛擬環境的事件同步服務。本研究針對所提服務議題,進一步提供相符解決方案,最後以台北大學的3D校園計畫進行實作,證明使用者能在實體環境中任意進入網路虛擬環境並與使用者產生互動,獲致絕佳的虛實互動之使用者經驗。
英文摘要 Place-based virtual community is the trend of recent researches on pervasive computing. The purpose is to enable users in a physical place to receive ubiquitous services from the environment while they communicate with each other unwittingly. The paper further promotes this idea by allowing remote users to join such a virtual community as well as to interact with members on site and calls this type of community as the place-based 3D augmented (PDA) community. With the help of the augmented reality technique, on-the-spot member can visually sense the remote users by their representing avatars. To achieve this goal, the ambient communication environment is required to support message flow among the remote users and people on site. Besides, this environment should be able to discover context passing among members of this community to provide proper services. The context issues and context-awareness approaches of PDA community are fully discussed in the paper. The infrastructure of this PDA community is also presented along with preliminary result of the prototyping environment. Finally, three technical issues have to be solved including mobile networking, resource-shortage and coordinates coordination. The dissertation presents solutions to all of these issues. Further, a Mobility Supporting Server (MSS) is proposed to implement presented solutions into an existing networked virtual environment, called 3D virtual campus, Taiwan. The result of this experimental research enables to build a Multiplayer Mobile Mixed Reality (M3R) environment.
論文目次 Contents

Abstract Ⅱ
Table of Contents Ⅲ
List of Figures Ⅴ
1 Introduction 1
2 Related works 8
2.1 Pervasive Computing 8
2.2 Mobile Augmented Reality 9
2.3 Place-based virtual community 11
2.4 3D Virtual Campus 13
3 Services for the hyperspace and M3R environment 16
3.1 Services for the hyperspace 16
3.2 Research Issues of the M3R environment 20
4 The PDA community architecture and Applications 26
4.1 PDA community Services 27
4.2 M3R Environment 31
4.3 Application1-Digital Security 38
4.4 Application2-3D Campus 45
5 Evaluations and Implementation 53
5.1 The Servers 53
5.2 The client device 58
6 Conclusions 71
7. Bibliography 74
Appendix A 82
Appendix B 100

List of Figures

Figure 1. PDA community architecture 17
Figure 2. Hierarchies of research issues of M3R environment 22
Figure 3. System architecture of the PDA community 27
Figure 4.: The services of PDA community environment 28
Figure 5. The M3R research issues 32
Figure 6. The geographic markers(left) and the virtual makers(right) 37
Figure 7. Information flow of the traditional security system 40
Figure 8. Information flow of the mobile surveillance system 41
Figure 9. Scenario of the pervasive security environment 42
Figure 10. The message flow of the pervasive security environment 44
Figure 11. MSS to support mobile players 54
Figure 12. Hierarchies of research issues and proposed approach of M3R environment 56
Figure 13. The initial window when the user login 60
Figure 14. Entering the 3D virtual campus and making a voice call 61
Figure 15. Live chatting through Skype software 62
Figure 16. The snapshot of the mobile device 63
Figure 17. Remote client functional architecture 64
Figure 18. Remote client diagram 65
Figure 19. Skype voice chatting of the 3D virtual campus 66
Figure 20. On-the-spot client function architecture 67
Figure 21. On-the-spot user diagram 68
Figure 22. On-the-spot client and Remote client 69


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