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96
96
Glossary
Gamma Correction
The process of adjusting the midtones to improve an image.
Grainy
An image with rough, uneven texture or tone.
Grayscale
Grayscale refers to a single-channel image made up of 256 (8 bit)/4096 (12 bit)
shades of gray, ranging from white to black, that represent all tones in an
image.
Height
The Height text box contains the height of the current selection, or, if there is
no selection, the maximum vertical output size, based on the currently
selected Paper Size.
Histogram Tool
The Histogram displays the distribution of bright and dark pixels for each color
channel in the previewed image. The Eyedropper tool on the histogram graph
lets you redefine the tonal profile. You can save the settings for Black-point,
Mid-point, and White-point settings in a histogram file with the extension
*.HST.
Interpolation
The process of adding digital information to an image to increase resolution.
Image Tone
See Tone.
Image Type
The type of image, such as color or grayscale.
JPEG File Format
An image file format developed by the Joint Photographic Experts Group, as a
standard for storing color images in less space, with the file format .jpg.
Keep Proportions Button
The Keep Proportions button affects the selection and the Width and Height
text boxes. When you click the Keep Proportions button, the image size is
maintained in the same proportion whenever you change either the width or
the height.