This document provides an overview of digital image processing. It discusses what image processing is, including low, mid, and high level processing. It explains why studying digital image processing is important due to the proliferation of images and need for analysis. Some key image processing operations are discussed like enhancement, restoration, and extracting information. Several application domains are then outlined, such as consumer products, remote sensing, medical, space exploration, art, and security. Specific examples are given to illustrate applications in each domain.

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DIGITAL IMAGEDIGITAL IMAGE
PROCESSINGPROCESSING

2. 1.2
What's Image Processing?

3. 1.3
Digital Image Processing
Low level
Mid level
High level

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Why study DIP?
Image & video is a major communication media
“An image is worth 1000 words!”
In all application domains, image and video is
becoming indispensable
WWW, faster computation, more storage, proliferation of image
capture and consumption devices  Need for more, better, faster,
and more intelligent image and video analysis
It’s fun!

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Image Processing Operations
Enhancement and Restoration
Improve sharpness
Adjust Image size
Remove scratches
Correct wrapping
Storage
Efficiently store images and videos on multimedia devices
Extract Information
Extract from document
Measure tumor size from a radiograph

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Application Domains
Consumer domain
Storage, tagging, searching,…
Remote sensing
Agriculture, Urban growth monitoring, …
Medical
CAD, quantification, organization, assisted surgery, …
Space explorations
Image mosaic, image matching, …
Art
Working methods of painters, material used, …
Security
Surveillance, monitoring, …
Military
… and many more!

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Application Domains
Consumer domain
Storage, tagging,
searching,…
mountain, snow, buildings, sky

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Application Domains
Remote sensing
Agriculture, Urban growth
monitoring, …
Multi-spectral imaging
Urban growth in Washington D.C. between
1973 and 1985

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Application Domains
Medical
CAD, quantification, organization, assisted surgery,
Color doppler Echocardiogram Brain MRI Cardiac CT
Tissue Microscopy Spine X-ray

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Application Domains
Space explorations
Image mosaic, image
matching, …
Panoramic image built from images taken from mars rover Spirit

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Applications
Enhance image detail

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Applications
Noise reduction and sharpening

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Applications
Inpainting

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Applications
Pseudocoloring for security system

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Applications
Image Compression
1:1 14:1

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Applications
Panorama Generation