GLOSSARY

RESAMPLE

To change the number of pixels in the image. If pixels are

 

discarded when shrinking an image, it is called resampling

 

down. If new pixels are created in an image, it is called

 

resampling up.

RESOLUTION

The number of pixels in a given area of the image; such as

 

pixels per inch or pixels per centimeter. High resolution is the

 

term for an image with a lot of pixels in a given area. Low

 

resolution means there are not many pixels in a given area.

RGB

Red, Green, and Blue. These are the colours of the three

 

channels that make up the scanned image. Monitors use red,

 

green, and blue phosphors to create the image you see on the

 

screen.

SHADOWS

The dark areas of an image.

TIFF

Tagged Image File Format (TIFF) files contain bit-mapped

 

data. In addition to being a widely supported format, TIFF is

 

able to handle the colour palette needed for professional-

 

quality images and graphics.

WINDOWS® BMP

(Windows only)The BMP graphic file format is for bit-mapped

 

images. BMP images are supported by the Paint accessory

 

and can easily be opened on most PCs running Windows.

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