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Augmented Reality and 3D modelling

Augmented Reality and 3D modelling. Done by Stafford Joemat Supervised by Mr James Connan and Mehrdad Ghaziasgar. PROJECT OVERVIEW. Marker-based Augmented Reality uses a camera and a visual marker, to determine the center of orientation and range of its coordinate system.

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Augmented Reality and 3D modelling

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  1. Augmented Reality and 3D modelling Done by Stafford Joemat Supervised by Mr James Connan and MehrdadGhaziasgar

  2. PROJECT OVERVIEW • Marker-based Augmented Reality uses a camera and a • visual marker, to determine the center of orientation • and range of its coordinate system. • The system is effectively a driver that allows users to • superimpose a 3D object on a predefined marker, • across multiple frames using fixed input video source.

  3. ITRODUCTION • Requirements Analysis • Object Oriented Analysis • Implementation • Testing Issues • Testing Results • User Manual

  4. REQUIREMENTS ANALYSIS

  5. OBJECT ORIENTATED ANALYSIS

  6. PERSPECTIVE COMPARISON • Compares Original markers’ x , y coordinates with Marker • with in video input frame 1b 2a 1a 2b y 4b 4a 3b 3a 1a + 3a < 1b + 3b && 2a + 4a > 2b + 4b x Rotated to the right

  7. PERSPECTIVE TRANSFORMATION • Transform input Image based on Markers x,y,z received by perspective comparison.

  8. IMPLEMENTATION • Extract frames • Grayscale • Feature detection • Feature comparison Stabilized using a running average with selectivity.

  9. IMPLEMENTATION • Perspective comparison • Perspective transformation • Superimpose image on • extracted frames • Display frames

  10. REFERENCES http://internet.suite101.com/article.cfm/using_printable_augmented_reality_marker_tags http://technotecture.com/augmentedreality http://opencv.willowgarage.com/wiki/ http://www.cs.cmu.edu/~cil/vision.html http://www.adobe.com/devnet/flash/articles/augmented_reality.html www.hotcards.com

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