A few scanning tips

www.scantips.com

As a review of the first part, hopefully these points were made clear.

Properties of Printed Images Properties of Video Images
Image size is measured in inches Image size is measured in pixels
Image size does NOT vary with scanned resolution Image size varies with scanned resolution
Image size is modified on paper by scaling Image size is modified on screen by resampling
Image pixels are spaced on paper using specified scaled resolution Image pixels are located at each screen pixel location, one for one
Several printer ink dots are used to represent color of one image pixel One screen pixel location contains one image pixel, and can be of any RGB value


Copyright © 1997-2010 by Wayne Fulton - All rights are reserved.

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