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Monitor proofing differs from conventional forms of “hard-copy” or ink-on-paper color proofing in its use of a calibrated display(s) as the output device. [1] Monitor proofing systems rely on calibration, profiling and color management to produce an accurate representation of how images will look when printed.
Color profile viewer on KDE Plasma 5, showing an ICC color profile. Linux color management has the same goal as the color management systems (CMS) for other operating systems, which is to achieve the best possible color reproduction throughout an imaging workflow from its source (camera, video, scanner, etc.), through imaging software (Digikam, darktable, RawTherapee, GIMP, Krita, Scribus, etc ...
For calibrating the monitor a colorimeter is attached flat to the display's surface, shielded from all ambient light. The calibration software sends a series of color signals to the display and compares the values that were actually sent against the readings from the calibration device. This establishes the current offsets in color display.
A good monitor with proper calibration shows the six numbers on the right in both bars, a cheap monitor shows only four numbers. Given a desired display-system gamma, if the observer sees the same brightness in the checkered part and in the homogeneous part of every colored area, then the gamma correction is approximately correct.
Video calibration software is software used to improve the quality of commercial video reproduction.. Organizations such as the Society for Motion Picture and Television Engineers (SMPTE), the Commission Internationale de l'Eclairage, the Advanced Television Systems Committee (ATSC), and the International Telecommunication Union (ITU) have established standards for the proper transmission and ...
Color management is necessary because different devices have different color capabilities and characteristics. For example, a monitor may display colors differently than a printer can reproduce them. Without color management, the same image may appear differently on different devices, leading to inconsistencies and inaccuracies.
The ColorChecker Color Rendition Chart (often referred to by its original name, the Macbeth ColorChecker [1] or simply Macbeth chart [2]) is a color calibration target consisting of a cardboard-framed arrangement of 24 squares of painted samples.
Test images as transmission system calibration material probably date back to the original Paris to Lyon fax link. Analogue Fax equipment (and photographic equipment for the printing trade) were the largest user groups of the standardized image for calibration technology until the coming of television and digital image transmission systems.