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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 陳炳宇 | zh_TW |
| dc.contributor.advisor | Bing-Yu Chen | en |
| dc.contributor.author | 林云雲 | zh_TW |
| dc.contributor.author | Yun-Yun Lin | en |
| dc.date.accessioned | 2025-02-21T16:30:54Z | - |
| dc.date.available | 2025-02-22 | - |
| dc.date.copyright | 2025-02-21 | - |
| dc.date.issued | 2024 | - |
| dc.date.submitted | 2024-12-19 | - |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/96779 | - |
| dc.description.abstract | 在遠端協作的背景下，如何在保護隱私的同時維持工作區域覺察（workspace awareness）是混合實境（MR）技術面臨的主要挑戰之一。隨著MR技術的日益發展，遠端合作中的使用者不僅可以共享任務相關的物件，還有機會共享更多物理環境。然而，這種「全或無」的共享配置常常導致視覺雜亂，增加認知負荷，並引發隱私顧慮。為了應對這些挑戰，本研究提出了一個系統原型，利用視覺擴增技術來調整物件在當地環境中的視覺顯著性。這些擴增效果可以同時支持工作區域覺察與隱私保護。
本論文探討在對稱AR-AR和非對稱AR-VR配置中的兩個使用者研究，著重於當地工作者和遠端指導者如何使用視覺擴增工具來提升協作效率、保護隱私並減少認知過載。通過紅色閃爍效果增加物件的顯著性，以及半透明效果降低物件顯著性，我們的系統允許使用者靈活地管理哪些物件應被強調，哪些應被隱藏。研究結果顯示，這些視覺擴增效果不僅提高了使用者對於隱私和任務重點的掌控，也有效促進了雙方在協作過程中的互動與覺察。 | zh_TW |
| dc.description.abstract | As MR technologies, particularly Augmented Reality (AR) and Virtual Reality (VR), become increasingly integrated into collaborative tasks, users face difficulties in managing the balance between sharing necessary information and safeguarding private or sensitive content. These challenges are further complicated by the spatial nature of MR environments, where remote users interact with both physical and virtual objects across three-dimensional spaces.
To tackle these issues, this research explores the use of visual effects, such as highlights and semi-transparency, to manage the visibility of physical and virtual objects during remote tasks. Two user studies were conducted: one in a symmetric AR-AR scenario and another in an asymmetric AR-VR scenario. Results show that visual augmentations significantly improve content-sharing awareness for local workers and task-related workspace awareness for remote instructors. However, preferences for visual effects varied, highlighting the need for more customizable augmentation options. This research contributes to the design of MR systems that effectively balance privacy and task awareness, while providing actionable insights for future system improvements. | en |
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| dc.description.provenance | Made available in DSpace on 2025-02-21T16:30:54Z (GMT). No. of bitstreams: 0 | en |
| dc.description.tableofcontents | 致謝 i
中文摘要 iii Abstract v Contents vii List of Figures xi List of Tables xiii Chapter 1 Introduction 1 Chapter 2 Related Work 5 2.1 Awareness in Workspaces . . . . . . . . . . . . . . . . . . . . . . . 5 2.1.1 Asymmetric and Symmetric MR Configuration . . . . . . . . . . . 6 2.2 Privacy in MR Remote Collaboration . . . . . . . . . . . . . . . . . 7 2.3 Selective Content Sharing Mechanisms . . . . . . . . . . . . . . . . 8 2.4 Screen-Based Media Space Collaboration . . . . . . . . . . . . . . . 12 2.5 Visual Augmentations for Awareness and Privacy . . . . . . . . . . . 13 Chapter 3 Prototype Design And Implementation 17 3.1 Design Consideration . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.1.1 Content Selection: Object and Region-Based Approaches . . . . . . 17 3.1.2 Visual Augmentations for Awareness and Privacy . . . . . . . . . . 19 3.2 Prototype Implementation . . . . . . . . . . . . . . . . . . . . . . . 21 3.2.1 User Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 3.2.1.1 Workflow . . . . . . . . . . . . . . . . . . . . . . . . 23 3.2.1.2 Menu Design . . . . . . . . . . . . . . . . . . . . . . 23 3.2.1.3 Showing shared contents on the remote side . . . . . . 27 Chapter 4 User Study I: Symmetric Scenario 29 4.1 Study Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 4.2 VR Scene Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 4.2.1 Local Worker Environment Set Up . . . . . . . . . . . . . . . . . . 31 4.2.2 Remote Instructor Environment Set Up . . . . . . . . . . . . . . . . 33 4.3 Experiment Task . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 4.4 Participant Recruitment . . . . . . . . . . . . . . . . . . . . . . . . 35 4.5 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 4.6 Measures and Interview Protocol . . . . . . . . . . . . . . . . . . . . 36 4.7 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38 4.7.1 Quantitative Results . . . . . . . . . . . . . . . . . . . . . . . . . . 39 4.7.2 Selection Preferences by Roles . . . . . . . . . . . . . . . . . . . . 40 4.7.3 Local Worker Behavior: Privacy Management . . . . . . . . . . . . 41 4.7.4 Remote Instructor Behavior: Guide and Filter . . . . . . . . . . . . 42 4.7.5 Interaction Between Roles . . . . . . . . . . . . . . . . . . . . . . 43 Chapter 5 User Study II: Asymmetric Scenario 45 5.1 Study Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 5.2 VR scene setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 5.3 Participants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 5.4 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 5.5 Measures and Interview Protocol . . . . . . . . . . . . . . . . . . . . 49 5.5.1 Questionnaires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 5.5.2 Exit Interviews . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 5.6 Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 5.6.1 Quantitative Results . . . . . . . . . . . . . . . . . . . . . . . . . . 51 5.6.2 Privacy Management for Local Worker . . . . . . . . . . . . . . . . 52 5.6.3 Enhancing Awareness During Collaboration . . . . . . . . . . . . . 56 5.6.4 Returning to the Symmetric Scenario . . . . . . . . . . . . . . . . . 57 Chapter 6 Discussion 59 6.1 Dual-Goal Mental Model of Local Workers for Selective Sharing . . 60 6.2 Elaborating on Augmented Selective Sharing Strategies . . . . . . . 62 6.3 Content-Sharing Awareness and Perceived Privacy . . . . . . . . . . 64 6.4 Visual Effects as Conceptual Territories . . . . . . . . . . . . . . . . 65 6.5 Augmentations for Workspace Awareness . . . . . . . . . . . . . . . 66 6.6 Design Implications and Limitations . . . . . . . . . . . . . . . . . . 67 Chapter 7 Conclusion 71 References 73 | - |
| dc.language.iso | en | - |
| dc.subject | 隱私 | zh_TW |
| dc.subject | 覺察 | zh_TW |
| dc.subject | 視覺擴增 | zh_TW |
| dc.subject | 遠端協作 | zh_TW |
| dc.subject | 混合實境 (MR) | zh_TW |
| dc.subject | Awareness | en |
| dc.subject | Mixed Reality (MR) | en |
| dc.subject | Remote Collaboration | en |
| dc.subject | Visual Augmentation | en |
| dc.subject | Privacy | en |
| dc.title | Hide and Seek: 透過視覺擴增技術在混合實境遠端協作中平衡隱私與覺察 | zh_TW |
| dc.title | Hide and Seek: Balancing Privacy and Awareness through Visual Augmentation in Mixed Reality Remote Collaboration | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 113-1 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 詹力韋;蔡欣叡;袁千雯 | zh_TW |
| dc.contributor.oralexamcommittee | Li-Wei Chan;Hsin-Ruey Tsai;Chien-Wen Yuan | en |
| dc.subject.keyword | 混合實境 (MR),遠端協作,視覺擴增,隱私,覺察, | zh_TW |
| dc.subject.keyword | Mixed Reality (MR),Remote Collaboration,Visual Augmentation,Privacy,Awareness, | en |
| dc.relation.page | 87 | - |
| dc.identifier.doi | 10.6342/NTU202404742 | - |
| dc.rights.note | 同意授權(全球公開) | - |
| dc.date.accepted | 2024-12-20 | - |
| dc.contributor.author-college | 電機資訊學院 | - |
| dc.contributor.author-dept | 資訊工程學系 | - |
| dc.date.embargo-lift | 2025-02-22 | - |
| 顯示於系所單位： | 資訊工程學系 | |
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| ntu-113-1.pdf | 16.23 MB | Adobe PDF | 檢視/開啟 |
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