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3D View Simulation Based on Face Tracking

3D View Simulation Based on Face Tracking. Final Presentation for EE7700 DVP Shenghua Wan and Kang zhang May, 2012. Motivation. Multi-touch User Interface Physical Motion Virtual Environment Motion Sensing Game Consoles Wii Kinect. Infrared projector and camera. Infrared sensor bar.

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3D View Simulation Based on Face Tracking

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  1. 3D View Simulation Based on Face Tracking Final Presentation for EE7700 DVP Shenghua Wan and Kang zhang May, 2012

  2. Motivation • Multi-touch User Interface • Physical Motion • Virtual Environment • Motion Sensing Game Consoles • Wii • Kinect Infrared projector and camera Infrared sensor bar Infrared LED

  3. Objective • Face Motion • Tracking • Translations • Zoom • Virtual 3D Scene Explore • 3D scene e.g. a Cube with 8 points with different depth values. • View Simulation

  4. Methodology-Face Tracking 1 • Haar Cascade Classifier (Viola & Jones 2001) • Haar-like features • Integral Image • AdaBoost (Freund & Schapire 1995) • Cascading • Implementation • OpenCV • Trained Classifier • Some Untuned Parameters

  5. Methodology-Face Tracking 2 • CAMShift ( Continuously Adaptive Mean-Shift ) • Assumption Image histogram of foreground object is time-invariant. • Back Projection • Mean Shift Algorithm • Locate new search window and goto 2 • Implementation • OpenCV

  6. Methodology-Face Tracking 2(cont) • Some comments on CAMShift • Sensitive and fast • Not Robust • tend to be interfered by objects with similar color distribution. fingers face arm even notebook!

  7. Experimental Results • Human face moves in real-world • Viewpoint moves in the simulated 3D scene as if we are looking at the real-world objects.

  8. Thank you!

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