What s been happening in the DiVE? Duke Visualization Friday Forum: 4/17/2015 Presented by Regis Kopper + David J. Zielinski 1

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1 What s been happening in the DiVE? Duke Visualization Friday Forum: 4/17/2015 Presented by Regis Kopper + David J. Zielinski 1

2 DiVE Personnel Regis Kopper Director Joanne Grosshans Administrative / Booking David J. Zielinski Carla Sturdivant Research and Development Engineer Finance / Grants Mark Ogren Pratt IT George A. Truskey Senior Associate Dean for Research 2

3 DiVE Students Ayana Burkins Emmanuel Shiferaw Teddy Ward Rebecca Lai Trey Bagley Cheng Ma Stephanie Fiddy Elizabeth Onstwedder Carolyn Dugas 3

outreach, focus on minorities Two-panel review: BCS (top 3/19) + CNS (Highly Recommended)

4 NSF Major Research Instrumentation Award Proposal Strengths Interdisciplinarity: Broader impact : 14 projects, 3 disciplines, 11 research areas Applicability to different areas, outreach, focus on minorities Two-panel review: BCS (top 3/19) + CNS (Highly Recommended) $399,720 Awarded 30% Matching from Duke s Provost Office $571,029 Total budget for upgrade 4

5 Overview of HiDiVE Upgrade 5

6 System Install Let s watch the video! 6

7 Hardware Upgrade Overview Item Result Projectors Christie Mirage S+2K Christie Mirage WU7K-M (x2) Higher Resolution Brighter Image Higher Frame Rate GPU Quadro FX 3000 Quadro FX 5600 Quadro K6000 Larger Models Better Lighting/Shaders Shutter Glasses Stereographics CE-3 RealD CE-4 Volfoni Edge RF No line of sight issues (less glasses losing sync) Tracking Intersense IS emitters latest IS emitters Better Tracking Coverage (especially near floor) 7

8 Projectors 2015 Model Christie Mirage S+2K Christie Mirage WU7K-M Stacked (2) WU7K-M Native 1400x1050 = 1.1 M 1920x x1920 = 3.7 M Refresh 120hz (110hz actual) 120hz 120 hz Lumens 3,000 6,300 12,600 8

Overlap/Blending 720 Blend Zone 480 1200 720 1920 Details: Projector hardware Christie

9 Overlap/Blending 720 Blend Zone Details: Projector hardware Christie Twist provides alignment and blending. NVIDIA Premium Mosaic provides single desktop per wall. 9

10 Graphics Cards 2015 NVIDIA Quadro FX 3000 NVIDIA Quadro FX 5600 NVIDIA Quadro K6000 Clock 400mhz 600mhz 700mhz Cores n/a Memory 256MB 1.5GB 12GB Tri/Sec 100 million 300 million 2000 million Note: using 2 outputs per K

11 Shutter Glasses RealD CE-4 Crystal Eyes CE-3 IR LIGHT 2015 Volfoni Edge RF RF Note: RF has no line of sight issues 11

12 Tracking System Existing Emitters New Emitters

13 Single Wall System Diagram Machine Room Main DiVE Room Dell T7400 Stacked (2) Christie WU7K-M CAT6 DVI NVIDIA Quadro K6000 Extron DL 201 NVIDIA Quadro Sync To Next Node 13

14 Additional VR Hardware (CIEMAS 1411) zspace 200 VR Workbench/Tabletop Oculus DK1 + DK2 VR HMD Razer Hydra 6DOF Tracking 14

15 DiVE Software Libraries Library Description License Avizo sci/med vis Commercial Yes (Amira) Yes Syzygy low level / OpenGL Open Source Yes Yes Virtools game engine Commercial Yes Legacy Unity Commercial No Yes game engine 15

16 Unity + MiddleVR Plugin Sebastien Kuntz 16

17 Recent Projects 17

18 Exploring the Effects of Image Persistence in Low Frame Rate Virtual Environments David J. Zielinski Hrishikesh M. Rao Marc A. Sommer Duke immersive Virtual Environment Duke University Dept. of Biomedical Engineering Duke University Dept. of Biomedical Engineering Duke University Regis Kopper Duke immersive Virtual Environment Duke University 18

19 Low Persistence - Explanation Issues: HP multiple phantom lines artifacts for moving objects, LP has strobing effect. 19

20 Low Persistence - Selection Task HFR significantly faster (p <.0001) than HP and LP No significant difference between HP and LP. 20

21 Low Persistence - Navigation Task Path Width vs Display Method HFR significantly faster than LP (p <.05) and HP (p <.005) 21

22 Low Persistence - Future Work Test targets in motion. Collaborate with professor Greg Appelbaum. 22

23 Perceptual Load in the Kitchen: Measuring Distraction in Immersive Virtual Reality Bettina Olk Jacobs University David J. Zielinski Regis Kopper Duke University Duke University Perceptual Load Theory: Distraction is stronger when perceptual load is low, rather then high. K X O O O N O O Low Perceptual Load M H Z N X W High Perceptual Load 23

24 Perceptual Load - Experiment Congruent Incongruent Low Load (target=soda) High Load (target=yogurt) User searched for target within the circle (soda or yogurt) Flanker (congruent or incongruent) had to be ignored. Perceptual load was manipulated by the color of the distractors. 24

25 Perceptual Load - Results Contrary to theory, distractor effect not modulated by load. Use VR to test traditional research, in complex ecologically valid scenarios. 25

Duke Health and Wellness Center Vis Jun Yin

the most highly visible projects domestically

26 Duke Health and Wellness Center Vis Jun Yin John H Nicholson Student Professor Master of Engineering Managment Master of Engineering Management A builder and developer of some of the most highly visible projects domestically and internationally. Pre-Visualization of Examination Room 26

27 Structual Engineering Joe Nadeau Professor Civil Engineering CEE429: Final Projects Next Week 27

28 Wayfinding by Auditory Cues in Virtual Environments Ayana Burkins Regis Kopper CS Junior Duke University Duke University Wayfinding: cognitive component of navigation Hypothesis: spatial audio will aid in spatial memory tasks 28

29 Auditory Cues - Environment Two mazes With and without spatial sound Visible landmarks 29

30 Auditory Cues - Pilot Evaluation Travel to target With Sound Without Sound 30

Dig@IT: Virtual Reality in Archaeology Emmanuel Shiferaw

University UC Merced Duke University Duke University Duke

excavation phases Multi platform (Currently implemented on

31 Virtual Reality in Archaeology Emmanuel Shiferaw Cheng Ma Nicola Lercari Maurizio Forte Regis Kopper Duke University UC Merced Duke University Duke University Duke University Archaeology preservation Scanning of multiple excavation phases Multi platform (Currently implemented on Oculus Rift) Dynamic model loading Çatalhoük archaeological site in Turkey 31

32 Features Digital Archaeology Timeline Tool Tablet Tool In-Context Menu 32

33 Let s watch the movie! 33

34 Comparison of Interactive Environments for the Archaeological Exploration of 3D Landscape Data Rebecca Bennett David J. Zielinski Regis Kopper University of Winchester Duke University Duke University Remote sensing for archaeological landscapes 34

35 Landscape Archeology - Vis Layers Different observations based on visualization layer Aerial photograph Elevation map Local relief model Hillshade More history can be seen via Lidar. 35

36 Landscape Archeology - User Study 3D web application DiVE 2D GIS application 6 Expert participants 6 Inexperienced participants Ability to change visualization layer Think-aloud protocol 36

37 Landscape Archeology - Results 37

38 How to Get Involved Taking courses Work study Volunteering tour guides projects website development Collaborations Projects that can benefit from immersive vis Opportunities for grant funding 38

ISIS 320 - Introduction to Interaction Design and Virtual Environments Spring 2016 Course Concepts of Human-Computer Interaction and

39 ISIS Introduction to Interaction Design and Virtual Environments Spring 2016 Course Concepts of Human-Computer Interaction and Virtual Reality Technology User-centered design applied to 3D user interfaces Project-oriented course May be taken as CS independent study! 39

40 DiVE Public Open Houses Tuesdays 4-5pm Experience DiVE apps First come first served Questions? 40

Exploring the Effects of Image Persistence in Low Frame Rate Virtual Environments

Exploring the Effects of Image Persistence in Low Frame Rate Virtual Environments David J. Zielinski Hrishikesh M. Rao Marc A. Sommer Duke immersive Virtual Environment Duke University Dept. of Biomedical