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DIGITAL IMAGEDIGITAL IMAGEPROCESSINGPROCESSING

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What's Image Processing?

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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 imagingUrban 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