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研究生:賴茂濰
研究生(外文):Mao-Wei Lai
論文名稱:互動式多媒體文件之時間/空間同步模型
論文名稱(外文):STOCPN: Spatio-Temporal Synchronization Model for Interactive Multimedia Document
指導教授:陳恆佑陳恆佑引用關係
指導教授(外文):Herng-Yow Chen
學位類別:碩士
校院名稱:國立暨南國際大學
系所名稱:資訊工程學系
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:2002
畢業學年度:90
語文別:英文
論文頁數:42
中文關鍵詞:時間/空間同步OCPNPetri Nets使用者互動
外文關鍵詞:Spatio-temporal synchronizationOCPNPetri Netsuser interaction
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時間與空間同步展現的多媒體文件已被廣泛應用在眾多領域。如:數位學習〈e-learning〉及娛樂產業等。多媒體的展現若失去互動的特性後,只能算是一個花俏的多媒體幻燈片。使用者的互動在展現時會影響到相關媒體物件的時間/空間關係。在使用者互動產生時如何保持媒體物件間的同步關係是一個重要的議題。本論文除了探討此議題外,並提出一個互動式多媒體同步模型,稱為Spatio-Temporal Object Composition Petri Net〈STOCPN〉。STOCPN主要是以OCPN〈Object Composition Petri Net〉為基礎模型,並以事物驅動〈event-driven〉概念予以擴充。主要的功能在於維持互動式多媒體文件中相關物件的時間/空間關係。本論文所提出的模型已運用於網路式多媒體同步教材〈Web-based Synchronized Multimedia Lecture, WSML〉系統的同步核心實作之中,來協助國立暨南國際大學的學生以最生活化的方式,透過網路來學習外語。
Multimedia document objects with synchronized temporal and spatial presentation features have been widely used in numerous application areas such as e-learning and entertainment. Without interactive features, document presentation is just a fancy slide show with different media objects involved. User interactions in presentation time and/or layout would affect the corresponding temporal and/or spatial relations of involved objects. How to keep them resynchronized after user interaction is an important issue. This thesis addresses this issue and proposes an interactive multimedia synchronization model named Spatio-Temporal Object Composition Petri Net (STOCPN), which is based on OCPN with event-driven arcs extension, for maintaining the spatial and temporal relations of involved media objects in an interactive multimedia document. The proposed model has been applied into the core synchronization implementation in Web-based Multimedia Synchronized Lecture (WSML) system to assist students of the National Chi-Nan University in Taiwan to learn foreign language via web.
Content I
List of Figures III
Abstract V
Chinese Abstract VI
Chapter 1 INTRODUCTION 1
1.1 Motivation 1
1.2 Multimedia Synchronization 1
1.3 User Interactions 2
1.4 Organization of Thesis 2
Chapter 2 RELATED WORK 3
2.1 Petri Net Overview 3
2.2 Timed Petri Net 5
2.3 Augmented Timed Petri Net 5
2.4 Object Composition Petri Net 6
2.5 Extension Models of Petri Net and OCPN 7
Chapter 3 THE PROPOSED MODEL 9
3.1 Definition 9
3.2 Firing Rules 10
3.3 Backtracking Rules of STOCPN 11
Chapter 4 TEMPORAL SYNCHRONIZATION MODEL 12
4.1 Intra-media Temporal Synchronization 12
4.2 Inter-object Temporal Synchronization 13
4.3 Temporal Synchronization with User Interaction 14
4.4 Presentation with User Interaction 17
Chapter 5 SPATIAL SYNCHRONIZATION MODEL 21
5.1 Intra-media Spatial Synchronization 21
5.2 Inter-object Spatial Synchronization 21
5.3 Spatial Relations of Objects in STOCPN 22
5.4 Spatial Synchronization with User Interaction 24
5.5 Spatio-Temporal Synchronization with User Interaction 26
Chapter 6 SYNCHRONIZATION OF REAUTHROING 28
6.1 Adding Objects 28
6.1.1 Temporal synchronization of adding an object 28
6.1.2 Spatial synchronization of adding an object 31
6.2 Deleting Objects 33
6.2.1 Temporal synchronization of deleting objects 33
6.2.2 Spatial synchronization of deleting an object 35
Chapter 7 CONCLUSION AND FUTURE WORK 39
7.1 Conclusion 39
7.2 Future Work 40
REFERENCES 41
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