ICACSIS 2012 Presentation Paper QR Code Augmented Reality Tracking with Merging on Conventional Marker based Backpropagation Neural Network

1. QR Code Augmented Reality Tracking with Merging on
Conventional Marker based Backpropagation Neural
Network
GIA MUHAMAD AGUSTA, KHODIJAH HULLIYAH, ARINI, RIZAL BROER BAHAWERES
DEPARTMENT OF COMPUTER SCIENCE

2. • Introduction about Augmented Reality and QR Code
• A simple approach to handle QR Code as Marker
• Marker Detection Algorithm
• Perspective Projection
• Feature Extraction
• Backpropagation Approach
• Experimental Result
• Conclusion and Future Work
PRESENTATIONSUMMARY
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia

3. • Augmented Reality
• QR Code
INTRODUCTION
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia

4. INTRODUCTION
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia
ARToolKitPlus
4096 Combination ID
ARTag
4x10^12 Combination ID
QRAR
10^7089 Combination ID
But have limited distance and angle (6 DOF) while tracking

5. MERGING QR CODE ON CONVENTIONAL MARKER
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia
QR Code Marker

6. MARKER DETECTION ALGORITHM
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia

7. PERSPECTIVE PROJECTION
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia
𝑢𝑖
𝑣𝑖
𝑤𝑖
=
𝑎 𝑏 𝑐
𝑑 𝑒 𝑓
𝑔 ℎ 1
𝑥𝑖
𝑦𝑖
1

8. FEATURE EXTRACTION
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia
Listed Feature
1) White color percentage,
2) Black color percenage,
3) Number of Contour,
4) Contour Graylevel,
5) x coordinate, and
6) y coodinate graylevel location.

9. BACKPROPAGATION
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia
• ArchitectureandParameter
o 3 Layer (Input, Hidden dan Output)
o 24 Neuron Input
o 105 Neuron Hidden
o 2 Neuron Output
o Sigmoid Activation
o Nguyen Widrow Weight
Initialitation
o MSETarget5x10-5
o 5000 Epoch
o Learning Rate (α) =0.06

10. EXPERIMENTAL RESULT
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia
Marker Sample Number MSE
QR Encode Length 78 105 0.003715
QR Encode Length 53 110 0.070988
QR Encode Length 32 90 0.087193
QR Encode Length 16 90 0.351523
Microsoft Tag 85 0.155362
Tradisional Marker 85 0.000149
ARToolKitPlus Marker 60 0.000069
ARTag Marker 60 0.000050

11. EXPERIMENTAL RESULT
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia
(Castro & Figueroa, 2007)
Pitching
Yawing
Surging

12. EXPERIMENTAL RESULT
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia
6 DOF
Accurate Maximum
Previous Method (Kan,
Teng, & Chou, 2009)
Current Method
pitching ±43°
±10.65°
yawing ±58°
±15.03°
surging ±374 ±408.07

13. EXPERIMENTAL RESULT
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia

14. CONCLUSION AND FUTURE WORK
GiaMuhammad | Depok, December 1st – 2nd, 2012
International Conference on Advanced Computer Science and Information Systems (ICACSIS) 2012 | Crystal of Knowledge, University of Indonesia