2. Mixed Reality Augmented Reality (AR) Augmented Virtuality (AV)
Virtual Reality (VR)

3. The St. Andrews Cathedral
Situated in Scotland
Founded in 1158 A.D.

4. Reconstructed Cathedral

5. Project Virtual Time Window

6. 1 Gathering architectural information
2 3D modeling
3 3D rendering
4 Capturing user interactions
5 Proper visualization
6 Optimization
7 Multi platform support
8 Marketing

7. 5%
3D modeling
1 Gathering architectural information
20%
15%
2 3D modeling
10%
3 3D rendering
MR Application
80%
20%
4 Capturing user interactions
15%
5 Proper visualization
20%
6 Optimization
10%
7 Multi platform support 5%
8 Marketing

8. Project MR type Platform Customizable Development Mauricio AR & VR - -
Oliveira VR
Theater No
Java 3D
Wayne AR
Mobile No
C++
Quang
AR & VE
Mobile No
C++
Matias VR
Mobile No
Java
Proposed
AR AV & VR
Any
Yes C#

9. Objective
MR Application
Programming
Testing
Researching
Framework

10. Google Cardboard Visualizer
Architecture of Framework
MR Application
Custom Modules
Gyroscope Controller
GPS Controller
Google Cardboard Visualizer
Normal Visualizer
Unity 3D Game Engine

11. Case Study
Temple of Tooth Relic at Yapahuwa

12. Survey

13. Wire Frame

14. Lion Statue Lion statue Kinect One for XBOX
3D model created using Kinect

15. Final Virtual Environment

16. Missing Structure
Front view
Side view

17. MR Application Development
Two versions were developed;
1. Augmented Virtuality version
2. Virtual Reality version

18. Skills Required 3D designing Programming Domain knowledge on hardware
Domain knowledge on platforms
software development best practices
Algorithms and optimization

19. Evaluation Resource usage on the device Accuracy of visualization
User experience

20. Conclusion Presents a MR application development framework
Proper visualization and interaction increases the usability
Smartphone can run a MR application
Object scanning using Kinect is successful
Low GPS sensitivity is a constraint
MR can be used to gain more benefits in different fields

21. Q & A

22. Thank you

23. Resource Usage on Device
VR version
AV version
Power consumption
CPU usage
RAM usage
Rendering performance
10% battery
6% to 7.5%
108 MB to 190 MB
67 fps to 92 fps
18% battery
6.5% to 9.5%
108 MB to 193 MB
67 fps to 92 fps

24. User Experience Developer Friendliness using 10 game developers
User Friendliness using 30 people

25. Summary of feedback from developers
Simplicity of MR application development
Training NOT required
Simplicity of custom module development
Multi platform support of applications

26. Summary of feedback from users
Smoothness of navigation
Smoothness of look around
Quality of the virtual content
Level of realistic experience