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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/52383

    Title: The research of augmented 3D virtual campus on the internet
    Other Titles: 網際網路之擴增實境3D校園之研究
    Authors: 吳姬正;Wu, Ji-jen
    Contributors: 淡江大學資訊工程學系博士班
    葛煥昭;Keh, Huan-chao
    Keywords: 普及式運算;周遭感知;3D虛擬校園;虛實社群;pervasive computing;context-awareness;3D virtual campus;Virtual Community
    Date: 2010
    Issue Date: 2010-09-23 17:35:25 (UTC+8)
    Abstract: 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。
    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.
    Appears in Collections:[Graduate Institute & Department of Computer Science and Information Engineering] Thesis

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