Marker Based Augmented Reality
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Transcript of Marker Based Augmented Reality
MARKER DETECTION
ALGORITHM FOR AUGMENTED
REALITY APPLICATIONS FOR
SCIENCE TEXTBOOKS
Presented By:
Arshiya Sayyed
Seminar Guide
Prof. Sushila Shelke
MARKER DETECTION ALGORITHM
FOR AUGMENTED REALITY
APPLICATIONS FOR SCIENCE
TEXTBOOK
What is Augmented Reality? Indirect view of real world
Augmented by a computer generated graphic, video, image,
object etc
TECHNIQUES: MARKER BASED
MARKER LESS
Inspecting a virtual bunny on top of the user’s
hand from different viewing angles.
MARKER DETECTION
ALGORITHM FOR AUGMENTED
REALITY APPLICATIONS FOR
SCIENCE TEXTBOOK
WHAT IS A MARKER?
•ANY IMAGE THAT CAN BE DETECTED BY THE
CAMERA
•SHOULD HAVE DISTINCT FEATURES AND
PATTERNS
MARKER DETECTION
ALGORITHM
ALGORITHM TO DETECT THE
MARKER.
SHOULD BE EFFICIENT.
MARKER DETECTION
ALGORITHM FOR
AUGMENTED REALITY
APPLICATIONS FOR
SCIENCE TEXTBOOK
Why Use Augmented Reality In
Education?
• Simplify concepts
• Enhance learning
• Ease and efficiency
• Less cost
• Can be employed in rural areas
• Make learning fun
• Introduce students to technology
STEP 1 : DIVIDE THE IMAGE IN
REGIONS
STEP 2 : DETECT EDGELS IN THE
REGION
STEP 3 : FIND SEGMENTS IN THE
REGION
STEP 4 : MERGE SEGMENTS INTO
LINES
STEP 5 : EXTEND LINES ALONG
EDGES
STEP 6 : KEEP LINES WITH
CORNERS
STEP 7 : FIND MARKERS
Disadvantages overcome by this
algorithm Speed of detection
Detection of markers having an edge or
corner (partial) occluded.
Performance under changing or not
homogeneous lightning conditions.
Applications
MANUFACTURING
ENTERTAINMENT
MEDICAL
EDUCATION
AERONAUTICAL
DEFENSE
AND MANY MORE
IMPLEMENTATION
PLATFORM DETAILS
PLATFORM FOR AUGMENTED
REALITY
◦ VUFORIA-UNITY 5.1.f1
• PLATFORM USED FOR 3D MODELS
◦ 3DS MAX 2014
Example From 8th Standard General
Science Textbook
MARKER FOR H20
MARKER FOR CO2
3D MAX VIEW OF CARBON
ATOM
Future Scope
INCORPORATED IN SCHOOLS AS A
PART OF DIGITAL INDIA INITIATIVE
CAN BE USED FOR RESSEARCH
PURPOSES
References
•Martin Hirzer,” Marker Detection for Augmented Reality Applications”, Inst. for Computer Graphics and Vision Graz University of Technology,2008,Austria •Ronald T. Azuma," A Survey of Augmented Reality", Hughes Research Laboratories,1997, Malibu, CA 90265 •Hannes Kaufmann," Collaborative Augmented Reality in Education", Institute of Software Technology and Interactive Systems Vienna University of Technology,2003, 1040 Wien, Austria •Mr.Raviraj.S.Patkar, "Marker Based Augmented Reality Using Android OS", International Journal of Advanced Research in Computer Science and Software Engineering, 2013,India