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研究生:黃歆如
研究生(外文):Hsin-Ju Huang
論文名稱:利用運動視差和遮蔽加強深度知覺及其在互動顯示之應用
論文名稱(外文):On Improving Depth Perception with Motion Parallax and Occlusion and Its Application to Interactive Displays
指導教授:洪一平洪一平引用關係
指導教授(外文):Yi-Ping Hung
口試委員:傅楸善徐繼聖林彥宇孫士韋
口試委員(外文):Chiou-Shann FuhChi-Sheng HsuYen-Yu LinShih-Wei Sun
口試日期:2015-07-29
學位類別:碩士
校院名稱:國立臺灣大學
系所名稱:資訊網路與多媒體研究所
學門:電算機學門
學類:網路學類
論文種類:學術論文
論文出版年:2014
畢業學年度:103
語文別:英文
論文頁數:32
中文關鍵詞:深度知覺運動視差遮蔽互動顯示
外文關鍵詞:Depth perceptionmotion parallaxocclusioninteractive display
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  • 被引用被引用:1
  • 點閱點閱:149
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不論是公共場所或私人環境中,我們都可以發現許多互動顯示裝置. 這些互動顯示通常會使用到LED、LCD、電漿顯示器或投影螢幕來呈現互動效果的視覺回饋。某些情況下,缺乏深度線索會使這些互動顯示的深度感變得很微弱,在部分需要較強烈的深度知覺之互動顯示應用中,缺乏深度感會降低觀眾在互動時的沉浸感。
在這篇研究中,我們計劃使用運動視差與遮蔽加強互動顯示的深度感。我們在Unity3D中建置一個三維場景並產生一個虛擬相機,使用Kinect2追蹤觀眾的頭部位置,根據觀眾的頭部位置資訊改變虛擬像機的位置,模擬出當觀眾移動時,視野範圍變化後應該看見的場景。
應用方面,我們將介紹兩種互動顯示,其一是互動牆: 微笑佛,其二則是互動窗,並說明我們需要加強這兩種互動顯示應用之深度感的原由和實作方法。此外,我們進行了一些實驗,評估加上運動視差配合遮蔽線索後的互動顯示之深度感是否有加強。在我們的實驗結果中可以看到,運動視差配合遮蔽不僅可以加強觀眾對互動顯示的深度感知,還能夠加強觀眾對於視覺內容的注意力以及激起觀眾的互動動機、提升互動顯示之趣味程度。

We can find many interactive displays in both public and private environments. Most of these interactive displays utilize technologies such as liquid-crystal display (LCD), plasma displays or projected images. Sometimes, the depth perception of these displays is weak hence some depth cues are missing. The lake of depth perception may decrease observer’s immersion especially in some applications which require the strong depth experience.
In present work, we proposed to improve depth perception of interactive display with motion parallax and occlusion. To create motion parallax effect, we tracked observer’s head position by using kinect2. Construct a 3d scene in unity3D, adapt the position of virtual camera to the head position of observer to create a head coupled or head perspective displays.
In applications, we introduce two interactive displays, interactive window and interactive wall-Smiling Buddha and the reason why we enhance the depth perception of these two displays. Besides, we conduct some experiments to evaluate whether motion parallax effect actually enhance the depth perception of these two applications. The results in present work showed that motion parallax not only enhance depth perception of interactive display, but also attract observer’s more attention to the visual contents and invoke their interactive motivation.


口試委員會審定書 i
致謝 ii
中文摘要 iii
ABSTRACT iv
CONTENTS v
LIST OF FIGURES vii
LIST OF TABLES ix
Chapter 1 Introduction 1
Chapter 2 Related work 4
Chapter 3 Method 7
3.1 An interactive wall: Smiling Buddha 7
3.1.1 Hardware configuration 7
3.1.2 System Procedure 9
3.1.3 Visual contents collection 11
3.1.4 Improvement 12
3.2 Interactive window 14
3.2.1 Hardware configuration 14
3.2.2 System Procedure 15
3.2.3 Visual contents collection 16
3.2.4 Implementation 16
Chapter 4 Experiment 21
4.1 Participant 21
4.2 Experiment 1: Interactive wall 21
4.3 Experiment 2: Interactive window 24
Chapter 5 Conclusion 30
BIBLIOGRAPHY 31


[1]Rogers, Brian, and Maureen Graham. "Motion parallax as an independent cue for depth perception." Perception 8.2 (1979): 125-134.
[2]Wanger, Leonard C., James A. Ferwerda, and Donald P. Greenberg. "Perceiving spatial relationships in computer-generated images." IEEE Computer Graphics and Applications 3 (1992): 44-51.
[3]Ware, Colin, Kevin Arthur, and Kellogg S. Booth. "Fish tank virtual reality."Proceedings of the INTERACT''93 and CHI''93 conference on Human factors in computing systems. ACM, 1993.
[4]Radikovic A.S.”A true virtual window.” Master thesis, Texas A&M University, College Station, Texas.(2004).
[5]Radikovic, Adrijan S., et al. "Artificial window view of nature." CHI''05 Extended Abstracts on Human Factors in Computing Systems. ACM, (2005).
[6]IJsselsteijn, Wijnand A., et al. "A room with a cue: The efficacy of movement parallax, occlusion, and blur in creating a virtual window." Presence: Teleoperators and Virtual Environments 17.3 (2008): 269-282.
[7]Kahn, Peter H., et al. "A plasma display window?—The shifting baseline problem in a technologically mediated natural world." Journal of Environmental Psychology 28.2 (2008): 192-199.
[8]Lee, Johnny Chung. "Hacking the nintendo wii remote." Pervasive Computing, IEEE 7.3 (2008): 39-45.
[9]Zhang, Cha, Zhaozheng Yin, and Dinei Florêncio. "Improving depth perception with motion parallax and its application in teleconferencing." Multimedia Signal Processing, 2009. MMSP''09. IEEE International Workshop on. IEEE,(2009).
[10]Jáuregui, David Antonio Gómez, Ferran Argelaguet, and Anatole Lecuyer. "Design and evaluation of 3D cursors and motion parallax for the exploration of desktop virtual environments." 3D User Interfaces (3DUI), 2012 IEEE Symposium on. IEEE, (2012).
[11]YuShan-Lin,”Attention-Aware Interactive Display Wall” Master thesis, National Taiwan University,Taiwan,(2013).
[12]Redding, Gordon. "Building a Machine that Can See." http://www.mind.ilstu.edu/curriculum/computer_programs_that_can_see/building_a_machine_that_can_see.php
[13]“Smiling Buddha at ARS 2014”
,https://www.youtube.com/watch?v=Od393AKjTwQ
[14]Hill, Alex, et al. "Virtual transparency: Introducing parallax view into video see-through AR." Mixed and Augmented Reality (ISMAR), 2011 10th IEEE International Symposium on. IEEE, (2011).
[15]“Kinect interactive wall cotto :share the world pleasure at Bangkok international airport donmuang”,
https://www.youtube.com/watch?v=SHickY0NY-Y
[16]“Armus TFT-LCD Magic Window System”
http://www.acesuppliers.com/Supplier_Company/TFT-LCD-Magic-Window-System_Product_Showroom_29155.html
[17]He-Lin Luo, Jinyao Lin, Yu-Ting Chen, Hsin-Ju Huang, Yi-Ping Hung,,“Interactive Art - Smiling Buddha: Through the Application of Sight Detection and Smile Recognition, Smiling Buddha Records the Moment at Which An Observer Smiles”, Chinese CHI’15 ACM ,(2015)


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