Canon CanoScan D1250U2F User Manual

Also see for D1250U2F - CanoScan USB Flatbed Scanner: Specifications Quick start guide User guide

60GlossaryGlossaryContentsIndexCalibrationCalibration 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 scanned on ascanner matches the original image when it is displayed on the computermonitor, as well as printed on a color printer.Canon ColorGear Color MatchingCanon's process for matching the color profile of the input device (scanner)to the color profile of the output device (monitor) to yield the mostaccurate color image.Color ChannelsThe red, green, or blue components of a color image. Color images contain8 bits per pixel each for red, green, and blue channels, therefore each pixelhas 24 bits. If you are scanning a color image, you can change thebrightness and contrast of the individual red, green, and blue tones in yourimage.Color ModeThe type of scan used to scan an image, differentiated by the number ofbits per pixel. ScanGear CS-U has the following Color Modes: Color,Grayscale, Text Enhanced, and Black and White.ContrastContrast refers to the difference between the lightest light and the darkestdark in the image. A low contrast value indicates that the differencebetween dark shades and light shades is not very great. A high valueindicates a great difference between dark and light shades. Whilebrightness refers to the intensity of tones in an image, contrast refers to therange and number of tones in an image.