Analysis: ICC characteristic curve and color management of RIP

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The function of the RIP software is to faithfully reproduce the digital pattern onto the fabric. As mentioned earlier, color management is a combination of software and hardware that automatically and uniformly manages colors in the system to ensure color consistency throughout the process. Color management is also essential for RIP software. The color management of RIP software is mainly realized by embedding the ICC Profile. The ICC profile provides the color management system with the information necessary to convert a device's local color data, such as a color gamut that a device can generate or obtain, into a device-independent color space.

Generally, RIP software manufacturers preset some ICC characteristic curve files in their own software, and color management is performed by ICM color management module. But this can only meet the needs of the average user, far from meeting the requirements of professional users. In addition, some companies or companies have produced specific ICC characteristics in order to print satisfactory results, and added to the printer driver, but this is only the calibration and characterization of color management, and did not carry out the most critical Conversion.

A complete color management system should include printed images, displays, inkjet printers, inks, fabrics, software and more. To achieve accurate color, color management of specific fabrics, models, RIP software, linear calibration, and generation of ICC profile files with a dedicated colorimeter, changing any of these factors will change the output. Color effect. Therefore, an excellent RIP software can be embedded in the customer's ICC profile file, and at the same time requires customers to make their own ICC profile files.

Special hardware and software are required to create ICC profile files, such as X-rite's DPT41 colorimeter and its Monaco Proof software. After the ICC characteristic curve is created, it should be imported into the RIP software's Output Profile for color management purposes. However, it should be noted that after color management, it is absolutely impossible to modify the items related to color management, such as resolution in the print mode, ink channels (such as CMYK, CMYKLcLm, CMYKOrGr, etc.), ink drop size, ink discharge. Quantity, print pass number, print speed, etc.

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