8 Mar 200110:30am - 12:00pm

2:30pm - 4:00pm

Topics

Working with imaging devices

Prepare images for your web page

Software Tools

Introduction to Colour Management

Acquire Images from Image Devices

Digital Camera/Scanner TWAIN standard

What is TWAIN

A standard software protocol and Applications Programming Interface (API) that regulates communication between software applications and imaging devices.

www.twain.org

TWAIN API

TWAINAPI

Scanner

Digital Camera

PhotoShop

Corel-Photo Paint

Paint Shop Pro

Prepare Graphics for your WEB

Keep the file size small with reasonable

quality

Less space and less transfer time

Select suitable format

JPEG, GIF/Animated GIF?

Properties of JPEG

High compression ratio (about 10~100+ to 1)

Small file size True colour (24bits, 16.7M) image Lost of details

Properties of GIF/Ani. GIF

Good compression ratio Lost-less compression Only 256 simultaneous colour Colour palette stored in file

When to use JPEG?

Colourful photo Large image True colour needed Detail is not the 1st priority

When to use GIF/Ani. GIF?

Banner, title Bullet, icon Separation line, etc

Image with compression

Image 1:Format: JPEGComp. Factor: 15Dim.: 157 x 239 pixelsFile size: 9500 Bytes

Image with compression

Image 2:Format: JPEGComp. Factor: 85Dim.: 157 x 239 pixelsFile size: 2847 Bytes

Software Tools

“Draw” or “PAINT” type software PhotoShop, Corel Photo-Paint, PhotoImpact,

Paint Shop Pro and so on... “Optical Character Recognition”(OCR) Animation creator Word processor

Intro. To Colour Management

To overcoming device dependence Colour-Matching Systems

– PANTONE® Matching System Electronic Colour Management Software

– Kodak Precision Color Manager– Corel Color Manager

Colour Space

Colour Matching System

A collection of colors from which you can select colors for use

A swatchbook used as reference Each color has it own color code

– e.g. PANTONE®274VC Designate the color code you want

Colour Manager

A software utility that works to ensure accurate colour reproduction across the devices in your system

Each devices calibrated with a profile Profile accurately defines the capabilities of

your devices

THE END

Thank you