2. Scanning Concepts
2.1 Basic Concept of Scanning.
2.1.1 What Is Scanning ?
Scanning an image is like a copier copying
an image, the major difference is that the output of the scanning is an
electronic file which can be edited and stored by software.
2.1.2 How does the scanner work?
When scanning, the scanner applies a light
source to the image, the light is reflected back from the image into the
(Couple-Charged Device) where
the varying levels of light are interpreted and digitized, the image is
then reconstructed and displayed on your screen.
2.1.3 How do you get the right
image from the scanner?
Firstly, you should find the answers about the
2.1.4 What can you do with a scanner?
What is the scanned image for? For a document? For printing out? To be
viewed on the screen or translated into text by OCR?
What image editing software to use and what file formats it accept?
What is the original image type and what scanned image type to apply?
Optical Character Recognition (OCR) - You can translate text-based image
like fax into text which can be edited by word processor software.
Enriching your presentation and document by adding images.
Converting hard copy images or documents into a fax format for faxing.
Adding scanned images to your e-mail and enriching your topics.