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Digital Information ECEn 191 New Student Seminar

Digital Information ECEn 191 New Student Seminar. MOTIVATION. MOTIVATION. DIGITIZING INFORMATION. Sampling. Quantization. SAMPLING FOR CDs. A 36 second song at CD bitrates should be 3.175 MB…. NOISE REDUCTION. IMAGE RECONSTRUCTION. Observation System. Real Image. Degradation Effects

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Digital Information ECEn 191 New Student Seminar

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  1. Digital InformationECEn 191 New Student Seminar

  2. MOTIVATION

  3. MOTIVATION

  4. DIGITIZING INFORMATION Sampling Quantization

  5. SAMPLING FOR CDs A 36 second song at CD bitrates should be 3.175 MB…

  6. NOISE REDUCTION

  7. IMAGE RECONSTRUCTION Observation System Real Image Degradation Effects (Blurring, Defocusing) Noise Detected Image

  8. DEBLURRING

  9. IMAGE RECONSTRUCTION

  10. HIGH RESOLUTION IMAGE Sonar Image: http://www.physics.brown.edu/physics/userpages/students/Kio_Kim/DIDSON/movies/index.html

  11. IMAGE MANIPULATION

  12. COMPUTER VISION

  13. COMPUTER VISION http://video.google.com/videoplay?docid=-7836275846065185820&q=darpa+grand+challenge&total=151&start=50&num=10&so=0&type=search&plindex=6 http://video.google.com/videoplay?docid=-1767080978943210729&q=grand+challenge+crash&total=37&start=0&num=10&so=0&type=search&plindex=0

  14. MOVIES – LOTS OF IMAGE DATA

  15. IMAGE COMPRESSION

  16. COMPRESSION COMPARISONS Compressed: 480 KB Original: 6,130 KB

  17. SOUND COMPRESSION Full Version (12.1 MB) MP3 (1.09 MB)

  18. FUTURE OF DIGITAL INFORMATION • Cheaper, better medical imaging • Cars that drive themselves • Movies on demand, real video conferencing, 3D remote rendering

  19. WHAT’S NEXT Real-time UAV Radar Imaging

  20. ECE CAREERS - GE HEALTHCARE

  21. ECE CAREERS - COMCAST

  22. ECE CAREERS - GM

  23. DIGITAL PROCESSING CLASSES • ECEn 370 – Probability Theory • ECEn 380 – Signals and Systems • ECEn 487 – Intro to DSP • ECEn 490 – Senior Project (Computer Vision)

  24. LAB EXERCISE www.et.byu.edu/groups/newstudent/schedule.html

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