Digital Image Processing

Autumn 2009

Dr. Hafiz Adnan Habib

Course Information

• Course Web Page http://web.uettaxila.edu.pk/CMS/coeDIPbsAut09/index.asp

• Text Book “Digital Image Processing” 2nd Ed. by Rafael Gonzalez.

• Reference Book “Image Processing Handbook” by C Russ

• Reference Book “Digital Image Processing Using MATLAB”

Grading Policy

SESSIONALS

• Short Exam 14 Marks

• Assignment 10 Marks

• Lab Performance 10 Marks

• Lab Test 6 Marks

• Final Viva 10 Marks

Role of Image Processing

• Enabling field– Security / Surveillance.– Biometrics.– Document Digitization.– Medical.– Industrial Quality Inspection.– Military.– …..

Visual Inspection

Visual Inspection

Imaging Possibilities

• Imaging is possible for whole EM spectrum:– Recording of EM energy at particular

wavelength.– Arrangement of data in 2D array

Gamma Ray Imaging

X-Ray Imaging

Ultra Violet Imaging

Microscopy Imaging

Multi-spectral Image

Multi-spectral Imaging

Infrared Imagery

Medical Imaging

Oil Industry

Scanning Electron Microscopy

Fractals

Stages in Digital Image Processing

Image Processing System Components

Video Communication

• Hardware– Set top boxes.– WirelessHD: Wireless HDTV standard

http://www.wirelesshd.org/technology.html

• Software Architectures– H.261, H.262, H.263, H.264– MPEG-I, MPEG-II, MPEG-IV

Image Displays

• Latest Trends– HDTV– LED / OLED displays– Flexible displays– Reconfigurable displays in automotive– Head up displays– Transparent Display– Holographic displays

Image Processing Software

• OpenCV (Open source software)

• Biometric APIs– VeriFinger

• Document Digitization APIs– www.leadtools.com

• Industrial Inspection

Specialized Image Processing Hardware

• DaVinci technology for Digital and Analog Video http://www.ti.com/corp/docs/landing/davinci/index.html

Image Sensors

• CCD older technology

• CMOS– 12 Mega pixels or more for single image– HDTV resolution – 1 Mega Pixels.– 300 frames per second or more

Human Visual System

Why Study Human Visual System

Sensors in Human Eye

Dynamic Range of Human Eye

Perceived Brightness

Simultaneous Contrast

Visual Illusion

Scope of Image Processing in Pakistan