Adobe 65045315 - Photoshop Elements Use Manual page 333

USING PHOTOSHOP ELEMENTS 10
Glossary
A tolerance setting for the Magic Wand tool and the Replace Color command. It controls the degree to
fuzziness
which related colors are included in the selection. See Tolerance.
G
The contrast resulting from darkening or lightening the midtones of an image. When you adjust
gamma adjustment
the gamma, you change the brightness of the midtones without substantially affecting the highlights and shadows.
The range of color that a device can reproduce. (See also
gamut
A softening effect applied through a bell-shaped distribution of tones and colors.
Gaussian blur
Graphic image file format. A file format suitable for images that contain line art, large areas of a single color, and
GIF
text. Web animations are done with images in GIF format.
Any of several methods for achieving a smooth transition between two adjacent colors, including black and
gradient
white.
A predefined profile that determines how best to display and print grayscale images for a
Gray working space profile
given color setting.
A single-channel image that includes only black, white, and shades of gray. Depending on the bit depth,
grayscale
grayscale images can reproduce various shades of gray.
H
A monochrome image made up of variably sized dots simulating the shades of gray in a photograph. It is used
halftone
for reproducing photographs on PostScript printers and printing presses.
The lightest and darkest colors in an image.
highlight and shadow
The brightest elements in an image. (See also "shadows" on page 332.)
highlights
A bar chart showing the distribution of the pixel values in a digital image. The horizontal axis represents
histogram
levels from 0 (darkest) to lightest (255), and the vertical axis represents the numbers of pixels at each level.
An image state listed in the Undo History panel.
history state
An area in which light is concentrated to such a degree that all detail is lost; that is, an area that is blown out
hotspot
to white.
A color mode that is based on the human perception of color and describes it according to hue, saturation, and
HSB
brightness.
The color reflected from or transmitted through an object. In common use, hue is the property that allows a color
hue
to be distinguished as red, blue, yellow, and so on; the "color of a color."
Sets the rate at which the stroke color switches between the foreground and background colors. Higher
hue jitter
values cause more frequent switches between the two colors than lower values.
I
International Color Consortium. ICC device profiles are the industry standard for reproducing colors accurately
ICC
across devices such as scanners, monitors, and printers. (See also "profile" on page 331.)
Image Color Management, is Windows's built-in color management system that uses color profiles for images
ICM
and devices such as scanners or printers. Similar to Apple's ColorSync on Mac OS.
A measure of the light falling upon a subject in a photograph.
illuminance
"color space" on page 324.)
Last updated 1/2/2012
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