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ENEE408G: Capstone Design Project: Multimedia Signal Processing Design Project 4:

ENEE408G: Capstone Design Project: Multimedia Signal Processing Design Project 4: Digital Video Processing. Today’s Schedule. Introduction to Design Project 4 Check in Digital Camera and Pocket PC Check out PC camera and Pocket PC. Outline of Design Project 2.

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ENEE408G: Capstone Design Project: Multimedia Signal Processing Design Project 4:

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  1. ENEE408G: Capstone Design Project: Multimedia Signal Processing Design Project 4: Digital Video Processing ENEE408G Fall 2005 Multimedia Signal Processing

  2. Today’s Schedule • Introduction to Design Project 4 • Check in Digital Camera and Pocket PC • Check out PC camera and Pocket PC ENEE408G Fall 2005 Multimedia Signal Processing

  3. Outline of Design Project 2 • Part I : Video Capturing by PC Camera • Part II : Motion Estimation and Compensation • Part III: MPEG Video • Part IV: Detect Scene Change in Video • Part V: Mobile Computing and Pocket PC Programming • Bonus Part I : MPEG-7 Visual Descriptor • Bonus Part II: Video Conference ENEE408G Fall 2005 Multimedia Signal Processing

  4. Part I. Video Capturing by PC Camera ENEE408G Fall 2005 Multimedia Signal Processing

  5. Pat II. Motion Estimation and Compensation • Inter-Frame Encoder ENEE408G Fall 2005 Multimedia Signal Processing

  6. ME: Exhaustive Block Matching ENEE408G Fall 2005 Multimedia Signal Processing

  7. ME: Example Reference Frame Current Frame ENEE408G Fall 2005 Multimedia Signal Processing

  8. Exhaustive Block Matching (cont.1) • Demo: • http://www.ece.umd.edu/class/enee408g/labs/labV/Motion_Estimation_v3.exe • http://www.ece.umd.edu/class/enee408g/labs/labV/motion_estimation_3step.exe ENEE408G Fall 2005 Multimedia Signal Processing

  9. Exhaustive Block Matching (cont.2) Reference Frame Current Frame Motion Vectors ENEE408G Fall 2005 Multimedia Signal Processing

  10. Motion Compensation Estimated frame Residual ENEE408G Fall 2005 Multimedia Signal Processing

  11. 3-step approach ENEE408G Fall 2005 Multimedia Signal Processing

  12. Part III.MPEG Video • MPEG-1 Video • Use mpgwrite.m and mpgread.m. • Tradeoff between bit rate and quality ENEE408G Fall 2005 Multimedia Signal Processing

  13. Part IV. Detect Scene Change • Cut Scene Change • Dissolve Scene Change • Wipe Scene Change • Multi-scene Change • Design scene change detector • Hint: Use statistical characteristics for each frame ENEE408G Fall 2005 Multimedia Signal Processing

  14. Part V. Pocket PC Programming • Apply what you learned from previous parts and design a simple application related to digital video processing by Microsoft eMbedded Tools for Pocket PC. ENEE408G Fall 2005 Multimedia Signal Processing

  15. Bonus Part I. MPEG-7 Visual Descriptor • MPEG-7 Texture Descriptor • http://nayana.ece.ucsb.edu/M7TextureDemo/Demo/client/M7TextureDemo.html • MPEG-7 Shape Descriptor • http://www.ee.surrey.ac.uk/Research/VSSP/imagedb/demo.html ENEE408G Fall 2005 Multimedia Signal Processing

  16. MPEG-7 Texture Descriptor ENEE408G Fall 2005 Multimedia Signal Processing

  17. MPEG-7 Shape Descriptor ENEE408G Fall 2005 Multimedia Signal Processing

  18. Bonus Part II. Video Conference • Experience video conferencing using Microsoft NetMeeting • Two scenarios: • video conferencing with different image modes • video conferencing with different available bandwidths • Do this part at home ENEE408G Fall 2005 Multimedia Signal Processing

  19. PC Camera / Digital Camera • Digital Camera and Pocket PC Check In • PC Camera and Pocket PC Check Out ENEE408G Fall 2005 Multimedia Signal Processing

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