Adobe 29180155 - Photoshop Elements 4.0 User Manual page 312

ADOBE PHOTOSHOP ELEMENTS 4.0 307
User Guide
A file that is set as Read Only. In the Photo Browser, locked files display with a lock icon.
locked
A layer in the Layers palette that has the lock icon applied. No changes can be made to a locked layer.
locked layer
A Background layer is always locked.
An image-compression method that prevents image degradation caused by data loss when the
lossless technique
image is decompressed. Lossless techniques usually use lower compression ratios than lossy techniques.
An image-compression method using compression ratios that result in loss of some image data.
lossy technique
Lightness. Technically, the highest plus lowest RGB values divided by two.
luminance
LZW (Lemple-Zif-Welch) A lossless technique especially suited for compressing images that contain large areas of a
single color.
M
A method for simulating transparency in images displayed on web pages. When transparency is not
matting
supported, you can specify a matte color that matches the background to simulate transparency.
An effect that simulates the pattern of light and shade seen in engravings made from a roughened plate.
mezzotint
A color table attached to an image file.
Microsoft Palette file
An area that falls between the brightest highlight and the darkest shadow.
midtone
A wavy striped pattern in an image, resembling the pattern of watered silk. Moire can be an artifact caused
moire
by a camera's inability to capture the detail in an image.
A system for determining spacing between punctuation, symbols, and numbers in Japanese type.
mojikumi
The resolution of a monitor, described in pixel dimensions. The size of an image displayed
monitor resolution
on-screen depends on the pixel dimensions of the image, the size of the monitor, and the monitor resolution. See also
printer resolution and resolution.
Customizable Type 1 fonts with typeface characteristics that have variable features such as weight,
multiple master
width, style, and optical size.
N
An artifact caused by interference or camera error. Noise is often seen as stray pixels of unexpected color or a
noise
generally "grainy" appearance. Certain compression techniques can amplify noise.
A gradient that contains randomly distributed colors within a range of specified colors.
noise gradient
Pixels that are more than 50 percent selected in an anti-aliased selection.
non-fringe pixels
A note added to a Photoshop file. In Photoshop Elements you can view and delete note annota-
note annotations
tions, but you can't add them.
O
Any service to which you can connect to and order from over the Internet. You can access online
online service
services from Adobe Bridge to order prints, photo books, cards, and such. In addition, you can share your photos
online through online sharing services.
The extent to which something blocks light. You can change the opacity of layers, filters, and effects so that
opacity
more (or less) of the underlying image shows through.
The opposite of transparent. When text, shapes, or layers are opaque you cannot see through them.
opaque