Digital Image ProcessingChapter 1: Introduction

29 May 2006

Digital Images in Early Era Digital Images in Early Era

Printing industrial

Textile industrial

1921 Telegraphing image

1922: imagefromPhotographic reproductionUsing punched tape

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

These images are not computerized processed.

Digital Images in Early Era Digital Images in Early Era

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Digital Image Processing in Early Space ProjectsDigital Image Processing in Early Space Projects

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Main energy source Electromagnetic wave

Other energy sources- Sound- Magnetic fields- Electron- others

Energy Sources for ImagesEnergy Sources for Images

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Gamma RayGamma Ray

External sourceRadioactive isotope decay

Internal SourcePositron emissionStar Nuclear reaction

Bone scan PET

Cygnus loop Reactor valve(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

X-RayX-Ray

Source : X-Ray tubeStarNuclear reaction

Cygnus loop

PCBChest X-Ray

Head CT

Angiogram

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

UltravioletUltraviolet

Fluorescencephenomenon

Normal corn Smut corm

Cygnus Loop(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Visible Light and InfraredVisible Light and Infrared

Taxol

Cholesterol

Microprocessor

Nickel oxideThin film

?

Organic superconductor

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Washington D.C.

Visible Light and InfraredVisible Light and Infrared

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Multispectral ImagingMultispectral Imaging

Hurricane Andrew(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Nighttime light of the worldNighttime light of the world

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Nighttime light of the world (cont.)Nighttime light of the world (cont.)

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Automated Visual InspectionAutomated Visual Inspection

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Automated Visual Inspection (cont.)Automated Visual Inspection (cont.)

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

MicrowaveMicrowave

Spaceborne Radar image

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

MagneticMagnetic

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Multispectral imagesMultispectral images

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Seismic imagingSeismic imaging

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Ultrasound imagingUltrasound imaging

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Electron Microscope ImagesElectron Microscope Images

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Synthesis ImagesSynthesis Images

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

Contents in the bookContents in the book

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.

General Purpose Image Processing SystemGeneral Purpose Image Processing System

(Images from Rafael C. Gonzalez and Richard E. Wood, Digital Image Processing, 2nd Edition.