User Guide

Glossary
291
hue
Predominant color in an image.
I
image editor
Program that you can use to create and edit images. ACD Photo Editor is an image editor.
image optimizer
Program you can use to make your images more suitable for the Internet. ACD RealOptimizer is
an image optimizer.
image resolution
Quality of image details and colors. Also used to describe the quality of monitors and printer
output.
image viewer
Program that displays images. ACDSee and ACD Photo Editor are image viewers.
import
Bringing data into an application from another using a format that the receiving application
understands.
interpolation
Process that uses nearby pixels to estimate the color of new pixels added to the larger image.
For example, interpolation might be used when enlarging a digital image.
IPTC
Standard method of encoding information within image files so that items such as descriptive
comments and copyright information can be transmitted with the image.
J-K
jaggies
Individual pixels displayed in an image with low resolution. The appearance of pixels in an
image causes lines and curves to appear jagged.
L
lossless compression
Form of compression that retains all image data and quality.
lossless rotation and flipping
Rotation of a JPEG image without loss of image quality. This works best on images with
dimensions that are a multiple of 8 or 16.
lossy compression
Form of compression that attempts to remove unnecessary data. This data loss can affect
image quality.