Color management is a prerequisite for ensuring the quality of prints and is one of the important components of the printing process. There are many types of prepress software, and the color management and effects of each software are different. This article selects Photoshop, and CorelDraw two software to use the menu to perform color management work, through experiments to get proofs of the same original after different software color management. Different color management capabilities of Photoshop and CorelDraw software are obtained through comparative analysis of two different sheets.
First, the importance of software color management
The color reproduction process is the transfer process of colors between different color spaces, different devices, and different application software. Different spatial gamuts have different sizes, different devices have different color rendering properties, and color conversion is required when the color is transmitted. Color management is required to achieve color matching. This article introduces the basic settings of color management for image processing software Photoshop and graphic design software CorelDRAW. After using the same ICC file to manage the color of the two softwares, the sample is output and analyzed to draw conclusions. The two softwares use the same ICC file to display the scanned image and get the corresponding sample.
Through the basic settings of the two software color management, we can get the similarities and differences between the software.
1. Photoshop can use configuration files for CMYK and RGB modes, but CorelDRAW's color management is basically based on RGB mode. The input CMYK file configuration file cannot work, and the configuration file cannot be embedded in the output CMYK file.
2. CorelDRAW does not cause changes to the image or graphic color values ​​in the page after changing the configuration file in the Color Management dialog box. That is, the change of the configuration file is equivalent to assigning the color values ​​of these objects to another color space. Do the mapping of color spaces.
3. Photoshop and CorelDRAW cannot specify different configuration files for different objects on the page.
Second, Photoshop and CorelDraw color management ability comparison experiment
1. Experimental purpose
Using the same ICC file, after color management by image processing software Photoshop and graphic design software CorelDraw, output samples and analyze them to summarize which software's color management capabilities are more ideal.
2. Experimental tools
Eyeone—macth, ProfileMaker 5.0, and Spectrophotometer
3. Experimental steps
1 Make an ICC file.
In this experiment, I chose the IT8.7/2 color table for operation. Open ProfileMaker 5.0 to select the scanner, as shown in Figure 1, the ReferenceData selection software comes with the IT8.7/2 txt file, MeasurementData selects the scanned IT8.7/2 tif file, Profilesize selects large, PerceptualRenderingIntent Choose NeutralGray (neutral gray). Click start to generate an ICC profile named 12 and keep it in the system folder.
2 display correction
The display is the designer's first observation target, but the contrast, brightness, and color rendering of the display will be attenuated after a period of time, causing the display to be inaccurate (including Apple). Therefore, it is necessary to calibrate the display after a period of time.
This experiment is performed using the Eye-onematch software. Follow the instructions given by the software step by step. After the correction, the mst.icc is saved and saved to the corresponding location. Then execute Properties - Settings - Advanced - Color Management on the desktop, add the just saved mst.icc and press OK, so the monitor's correction is fine.
3 software for color management
Photoshop
Open the scanned image in Photoshop, perform editing → specify the configuration file, and select the mashuoting.icc that the configuration file has been prepared. Then execute Edit → Convert to Configuration File to convert the space to Lab Space.
Then print the preview settings to let Photoshop determine the color. Print out.
Coreldraw
Open corlldraw and execute Tools → Color Settings. Then make advanced settings for color management (select absolute colorimetric) and then import the scanned image printout.
4. Experimental results
Finally, three proofs are obtained by the corrected printer, and the third and ninth color patches of each sheet are extracted by a spectrophotometer to be compared with the original.
5 Conclusion
Through the above experiments, we can find that the color management of Photoshop is more ideal in the two softwares. Coreldraw's color management ability is inferior. Therefore, Photoshop's color management is used more widely in life.
Color management is a prerequisite for ensuring the quality of prints and is one of the important components of the printing process. There are many types of prepress software, and the color management and effects of each software are different. This article selects Photoshop, and CorelDraw two software to use the menu to perform color management work, through experiments to get proofs of the same original after different software color management. Different color management capabilities of Photoshop and CorelDraw software are obtained through comparative analysis of two different sheets.
First, the importance of software color management
The color reproduction process is the transfer process of colors between different color spaces, different devices, and different application software. Different spatial gamuts have different sizes, different devices have different color rendering properties, and color conversion is required when the color is transmitted. Color management is required to achieve color matching. This article introduces the basic settings of color management for image processing software Photoshop and graphic design software CorelDRAW. After using the same ICC file to manage the color of the two softwares, the sample is output and analyzed to draw conclusions. The two softwares use the same ICC file to display the scanned image and get the corresponding sample.
Through the basic settings of the two software color management, we can get the similarities and differences between the software.
1. Photoshop can use configuration files for CMYK and RGB modes, but CorelDRAW's color management is basically based on RGB mode. The input CMYK file configuration file cannot work, and the configuration file cannot be embedded in the output CMYK file.
2. CorelDRAW does not cause changes to the image or graphic color values ​​in the page after changing the configuration file in the Color Management dialog box. That is, the change of the configuration file is equivalent to assigning the color values ​​of these objects to another color space. Do the mapping of color spaces.
3. Photoshop and CorelDRAW cannot specify different configuration files for different objects on the page.
Second, Photoshop and CorelDraw color management ability comparison experiment
1. Experimental purpose
Using the same ICC file, after color management by image processing software Photoshop and graphic design software CorelDraw, output samples and analyze them to summarize which software's color management capabilities are more ideal.
2. Experimental tools
Eyeone—macth, ProfileMaker 5.0, and Spectrophotometer
3. Experimental steps
1 Make an ICC file.
In this experiment, I chose the IT8.7/2 color table for operation. Open ProfileMaker 5.0 to select the scanner, as shown in Figure 1, the ReferenceData selection software comes with the IT8.7/2 txt file, MeasurementData selects the scanned IT8.7/2 tif file, Profilesize selects large, PerceptualRenderingIntent Choose NeutralGray (neutral gray). Click start to generate an ICC profile named 12 and keep it in the system folder.
2 display correction
The display is the designer's first observation target, but the contrast, brightness, and color rendering of the display will be attenuated after a period of time, causing the display to be inaccurate (including Apple). Therefore, it is necessary to calibrate the display after a period of time.
This experiment is performed using the Eye-onematch software. Follow the instructions given by the software step by step. After the correction, the mst.icc is saved and saved to the corresponding location. Then execute Properties - Settings - Advanced - Color Management on the desktop, add the just saved mst.icc and press OK, so the monitor's correction is fine.
3 software for color management
Photoshop
Open the scanned image in Photoshop, perform editing → specify the configuration file, and select the mashuoting.icc that the configuration file has been prepared. Then execute Edit → Convert to Configuration File to convert the space to Lab Space.
Then print the preview settings to let Photoshop determine the color. Print out.
Coreldraw
Open corlldraw and execute Tools → Color Settings. Then make advanced settings for color management (select absolute colorimetric) and then import the scanned image printout.
4. Experimental results
Finally, three proofs are obtained by the corrected printer, and the third and ninth color patches of each sheet are extracted by a spectrophotometer to be compared with the original.
5 Conclusion
Through the above experiments, we can find that the color management of Photoshop is more ideal in the two softwares. Coreldraw's color management ability is inferior. Therefore, Photoshop's color management is used more widely in life.
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