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Title page
Abstract
Contents
I. Introduction 8
1.1. Motivation 8
1.2. Problem Definition 8
1.3. Solution 9
1.4. Outline 10
II. Related Work 11
2.1. Related Work on Depth Perception 11
2.2. Related Work on Interaction 12
III. Methodology 13
3.1. Preliminary Research 13
3.1.1. Experiment about FOV and VD 13
3.1.2. Experimental Results 14
3.2. Additional Visual Information 15
3.2.1. Additional View 16
3.2.1.1. Depth Context 18
3.2.1.2. Minimizing Distortion 18
3.2.2. Behavior of Additional View 19
3.2.2.1. Realistic Interaction 19
3.2.2.2. Two-Dimensional Context 20
3.2.3. Why additional views? 20
3.3. Implementation 20
3.3.1. Additional View 21
3.3.1.1. Basic Additional View 21
3.3.1.2. Compound View 22
3.3.2. Behaviors of Additional View 24
3.3.2.1. Holding Z 25
3.3.2.2. Interactive Resizing 26
IV. Experiments 28
4.1. Task Arrangement 28
4.2. Axis Based Task 29
4.3. Height Choice Task 30
4.4. Evaluation 31
4.4.1. Measure Factors 31
4.4.2. t-Test 31
V. Results 32
5.1. Experimental Results 32
5.1.1. Statistical Results 32
5.1.2. Result Analysis 34
5.1.2.1. Basic Additional View 34
5.1.2.2. Basic Additional View with Interactive Resizing 35
5.1.2.3. Basic Additional View with Holding Z 36
5.1.2.4. Basic Additional View with Interactive Resizing and Holding Z 36
5.1.2.5. Compound View 37
5.2. Implementation Results 37
VI. Conclusion and Future Work 40
국문초록 41
Appendix 42
1.1. Elapsed Time of ABT 42
1.2. Distance Error of ABT 45
1.3. Elapsed Time of HCT 47
1.4. Distance Error of HCT 50
References 53
Acknowledgement 55
Table 1. Examples of rotation angles for view position 24
Table 2. Brief Presentation for Adoption of t-Test 33
Table 3. Result Grouping of Basic Additional View 34
Table 4. Result Grouping of Basic Additional View with Interactive Resizing 35
Table 5. Result Grouping of Basic Additional View with Holding Z 36
Table 6. Result Grouping of Basic Additional View with Interactive Resizing and Holding Z 36
Table 7. Result Grouping of Compound View 37
Figure 1. Environments displayed with various viewing parameters 13
Figure 2. Results of the tasks 14
Figure 3. The Construction of Additional Visual Information 16
Figure 4. (a) The distortion of the far peripheral vision, (b) Two different viewpoints in one image 17
Figure 5. Different Depth Context 17
Figure 6. Higher Depth Context with Lower FOV 18
Figure 7. Screenshot of Additional View 21
Figure 8. Construction of Additional View 22
Figure 9. Screenshot of Compound View 22
Figure 10. Camera arrangement of Compound View 23
Figure 11. Construction of Compound View 24
Figure 12. Screenshot of Holding Z 25
Figure 13. Construction of Holding Z 26
Figure 14. Screenshot of Interactive Resizing 27
Figure 15. Construction of Interactive Resizing 27
Figure 16. Axis Based Task 29
Figure 17. Height Choice Task 30
Figure 18. Results of Average 33
Figure 19. Application Results 1 38
Figure 20. Application Results 2 39
List of Appendix
Table A 1.1. t-Test Result between Regular Virtual Environment and Basic Additional View 42
Table A 1.2. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing 43
Table A 1.3. t-Test Result between Regular Virtual Environment and Basic Additional View with Holding Z 43
Table A 1.4. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing and Holding Z 44
Table A 1.5. t-Test Result of Regular Virtual Environment and Compound View 44
Table A 2.1. t-Test Result between Regular Virtual Environment and Basic Additional View 45
Table A 2.2. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing 45
Table A 2.3. t-Test Result between Regular Virtual Environment and Basic Additional View with Holding Z 46
Table A 2.4. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing and Holding Z 46
Table A 2.5. t-Test Result between Regular Virtual Environment and Compound View 47
Table A 3.1. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing 47
Table A 3.2. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing 48
Table A 3.3. t-Test Result between Regular Virtual Environment and Basic Additional View with Holding Z 48
Table A 3.4. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing and Holding Z 49
Table A 3.5. t-Test Result between Regular Virtual Environment and Compound View 49
Table A 4.1. t-Test Result between Regular Virtual Environment and Basic Additional View 50
Table A 4.2. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing 50
Table A 4.3. t-Test Result between Regular Virtual Environment and Basic Additional View with Holding Z 51
Table A 4.4. t-Test Result between Regular Virtual Environment and Basic Additional View with Interactive Resizing and Holding Z 51
Table A 4.5. t-Test Result between Regular Virtual Environment and Compound View 52
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