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Glossary
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Glossary
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Black-point
The darkest portion of an image scanned as Color or Grayscale. When
you click on the image with the Black-point eyedropper, all tones darker
than the selected sample tones are adjusted to black.
Brightness
The overall amount of lightness or darkness in an image. An image with
maximum brightness tends toward white; an image with minimum
brightness tends toward black. While contrast refers to the range and
number of tones in an image, brightness refers to the intensity of tones.
Calibration
Calibration refers to the adjustment of color processing for input and
output devices on a computer, so that the colors match throughout the
process. For example, calibration ensures that the color image scanned
on a scanner matches the original image when it is displayed on the
computer monitor, as well as printed on a color printer.
Canon ColorGear Color Matching
Canon's process of matching the color profile of the input device
(scanner) with the color profile of the output device (monitor), to yield
the most accurate color image.
Canon ImageTrust
Canon's process of converting grayscale image (8 bits per pixel) to a
black and white image (1 bit per pixel) to yield a more effective scan for
optical character recognition (OCR) applications.
Channel
See Color Channels.
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