ecen 191 – new student seminar - session 4: image processing ecen191 – 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 Image Detected 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