Canon CanoScan D660U User Manual

Also see for CANOSCAN D660U: Brochure & specs User guide Getting started guide User guide Service manual

Contents

91GlossaryTop PageGlossaryContentsIndexBlack-pointThe darkest portion of an image scanned as Color or Grayscale. Whenyou click on the image with the Black-point eyedropper, all tones darkerthan the selected sample tones are adjusted to black.BrightnessThe overall amount of lightness or darkness in an image. An image withmaximum brightness tends toward white; an image with minimumbrightness tends toward black. While contrast refers to the range andnumber of tones in an image, brightness refers to the intensity of tones.CalibrationCalibration refers to the adjustment of color processing for input andoutput devices on a computer, so that the colors match throughout theprocess. For example, calibration ensures that the color image scannedon a scanner matches the original image when it is displayed on thecomputer monitor, as well as printed on a color printer.Canon ColorGear Color MatchingCanon's process of matching the color profile of the input device(scanner) with the color profile of the output device (monitor), to yieldthe most accurate color image.Canon ImageTrustCanon's process of converting grayscale image (8 bits per pixel) to ablack and white image (1 bit per pixel) to yield a more effective scan foroptical character recognition (OCR) applications.ChannelSee Color Channels.