Mathematics 191 Research Seminar in Mathematical Modeling Lecture 3 February 1 st , 2005
Digital Information ECEn 191 New Student Seminar
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ECEn 191 – New Student Seminar - Session 4: Image Processing ECEn191 – New Student Seminar – Session 9: Digital Information ECEn191 – New Student Seminar – Session 9: Digital Information Digital Information ECEn 191 New Student Seminar
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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 - PowerPoint PPT Presentation
Transcript of Digital Information ECEn 191 New Student Seminar
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital InformationECEn191 – New Student Seminar – Session 9: Digital Information
Digital Information
ECEn 191 New Student Seminar
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
MOTIVATION
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
MOTIVATION
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
DIGITIZING INFORMATION
Sampling Quantization
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
A 36 second song at CD bitrates should be 3.175 MB…
SAMPLING FOR CDs
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
NOISE REDUCTION
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
IMAGE RECONSTRUCTION
Real ImageDetected
Image
Observation System
Degradation Effects (Blurring, Defocusing)
Noise
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
DEBLURRING
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
IMAGE RECONSTRUCTION
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
HIGH RESOLUTION IMAGE
Sonar Image: http://www.physics.brown.edu/physics/userpages/students/Kio_Kim/DIDSON/movies/index.html
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
IMAGE MANIPULATION
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
COMPUTER VISION
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
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
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
MOVIES – LOTS OF IMAGE DATA
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
IMAGE COMPRESSION
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
Compressed: 480 KB Original: 6,130 KB
COMPRESSION COMPARISONS
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
Full Version (12.1 MB)
MP3 (1.09 MB)
SOUND COMPRESSION
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
FUTURE OF DIGITAL INFORMATION
• Cheaper, better medical imaging
• Cars that drive themselves
• Movies on demand, real video conferencing, 3D remote rendering
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
WHAT’S NEXT
Real-time UAV Radar Imaging
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
ECE CAREERS - GE HEALTHCARE
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
ECE CAREERS - COMCAST
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
ECE CAREERS - GM
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
DIGITAL PROCESSING CLASSES
• ECEn 370 – Probability Theory
• ECEn 380 – Signals and Systems
• ECEn 487 – Intro to DSP
• ECEn 490 – Senior Project (Computer Vision)
ECEn 191 – New Student Seminar - Session 4: Image Processing
ECEn191 – New Student Seminar – Session 9: Digital Information
www.et.byu.edu/groups/newstudent/schedule.html
LAB EXERCISE
