Calman, a software utilized for display calibration, offers the option to create custom patch sets that enable calibration with the Aurora Color Engine. These patch sets can be classified into two types: ramp-based and sparse. The former simulates Lightning LUT operations and generates RGB triplets for calibration, while the latter simulates Fixed Grid operations. Custom patch set files, which are essential for Calman, are CSV files that contain specific definitions. Spreadsheet programs can be used to create these files. The accuracy and precision of calibration results heavily rely on the inclusion of minimum and peak signal values in ramp-based patch sets, as Calman generates RGBW ramps based on single value ramp data. Similarly, sparse patch sets must encompass peak primaries, secondaries, white, and black, along with at least one measurement within luminance and saturation ramps. To import custom patch sets in Calman, users must connect to a supported display with the Aurora Color Engine and custom patch set feature, followed by clicking the AutoCal button on the 3D LUT/Color Gamut calibration page. While caution is advised when using spreadsheet programs to avoid parsing issues, the accurate definition of RGB triplets is crucial for precise calibration outcomes.
Key Takeaways
- Custom patch sets in Calman can be generated using a spreadsheet program and are stored as CSV files with specific definitions.
- There are two types of custom patch sets: ramp-based and sparse, each serving specific calibration purposes.
- Minimum requirements for patch sets are important to ensure accurate calibration for both ramp-based and sparse patch sets.
- RGB triplets are essential for precise calibration results and are generated based on target calibration definitions.
Custom Patch Sets
Custom patch sets in Calman are used for calibration with the Aurora Color Engine, and they can be generated in either ramp-based or sparse formats. Ramp-based patch sets simulate Lightning LUT operations and generate RGB triplets for calibration. Calman handles the conversion between full and limited range values, and the patch sets must include minimum and peak signal values. Calman then generates RGBW ramps based on the single value ramp data. On the other hand, sparse patch sets simulate Fixed Grid operations, generate RGB triplets for calibration, and must include peak primaries, secondaries, white, and black. They must also have at least one measurement within the luminance and saturation ramps. Custom patch set files are CSV files with specific definitions, and a spreadsheet program can be used to create them with caution to avoid parsing issues.
Types of Patch Sets
Ramp-based patch sets in Calman simulate the dynamic operations of lightning, generating a sequence of RGB triplets that serve as the basis for precise color calibration. These custom patch sets are designed to ensure accurate calibration by including minimum and peak signal values. Calman handles the conversion between full and limited range values, allowing for seamless calibration. The RGBW ramps generated by Calman based on the single value ramp data further enhance the calibration process. The minimum requirements for ramp-based patch sets provide the necessary data for accurate calibration and ensure color accuracy.
Table 1: Supported Definitions for Custom Patch Sets
| Definition | Description |
|---|---|
| Minimum Signal Value | Lowest value in the patch set |
| Peak Signal Value | Highest value in the patch set |
| RGB Triplets | Sequence of 8-bit triplets representing color values |
| Full Range | Color values ranging from 0 to 255 |
| Limited Range | Color values ranging from 16 to 235 |
Ramp-based patch sets offer a comprehensive approach to calibration, allowing for precise color adjustments based on the dynamic characteristics of lightning. These patch sets, along with Calman’s advanced features, provide innovative solutions for achieving exceptional color accuracy in displays.
Ramp-Based Patch Sets
The utilization of dynamic patch sequences in Calman to simulate lightning operations provides an unparalleled level of precision in color calibration, revolutionizing the way displays achieve exceptional color accuracy. Custom ramp-based patch sets in Calman play a crucial role in this process. These patch sets generate RGB triplets for calibration and simulate Lightning LUT operations. Calman handles the conversion between full and limited range values, ensuring accurate calibration results. It is important for ramp-based patch sets to include minimum and peak signal values, as Calman generates RGBW ramps based on single value ramp data. This ensures that the calibration is performed accurately. By following the specifications and definitions provided, custom patch sets can be created using a spreadsheet program, allowing for precise control over the calibration process.
Sparse Patch Sets
Sparse patch sets in Calman simulate Fixed Grid operations and generate RGB triplets for calibration, ensuring accurate color calibration results. These patch sets must include peak primaries, secondaries, white, and black, as well as at least one measurement within the luminance and saturation ramps. By including these minimum requirements, Calman can handle the conversion between full and limited range values, ensuring precise calibration. Custom patch set files are created as CSV files with specific definitions, allowing Calman to generate the measurement data file for calibration. It is important to use caution when using a spreadsheet program to create custom patch sets, as additional empty columns or rows can affect the parsing of color definition data. Following the provided template and using accurate RGB triplets is essential for achieving color accuracy in calibration.
Defining Patch Sets
To accurately define patch sets in Aurora Color Engine, specific CSV file formats are used, allowing for the creation of measurement data files for calibration purposes. These CSV files contain the necessary definitions for Calman to generate the measurement data file. When creating custom patch sets, it is important to follow the provided template and ensure that the definitions are correctly specified. The definitions include information such as the RGB triplets, which are essential for precise calibration results. Additionally, the patch sets must include minimum and peak signal values for ramp-based patch sets or peak primaries, secondaries, white, and black for sparse patch sets. This ensures that the calibration is accurate and provides the necessary data for the calibration process. Calman handles the conversion between full and limited range values, further enhancing the accuracy of the calibration.
Connecting to a Display
When connecting to a supported display with Aurora Color Engine, the next step is to proceed through the calibration steps leading up to the 3D LUT color gamut calibration. This is done in Calman’s 3D LUT/Color Gamut calibration page, where you can click the AutoCal button. In the 3D LUT AutoCal dialog, you can import the patch set CSV file that you have created with the specific definitions for your custom patch set. By importing the custom patch set, Calman will use it when starting the AutoCal process.
Below is a table that summarizes the steps to connect to a supported display and use the custom patch set in Calman:
| Steps |
|---|
| Connect to a supported display with Aurora Color Engine |
| Proceed through calibration steps leading up to 3D LUT color gamut calibration |
| On Calman’s 3D LUT/Color Gamut calibration page, click AutoCal button |
| In 3D LUT AutoCal dialog, import patch set CSV created with specifications |
| Custom patch set will be used when starting AutoCal |
This process allows for precise and innovative calibration of the display using the custom patch set.
Minimum Requirements for Ramp Patch Sets
Minimum requirements for ramp patch sets ensure accurate calibration and provide necessary data for the calibration process. For example, in a case study with a display that supports Aurora Color Engine, the minimum and peak signal values included in the patch set CSV file allow Calman to generate RGBW ramps based on the single value ramp data, resulting in precise calibration results. This means that the patch set must include the minimum and peak signal values to ensure that Calman can accurately calibrate the display. By including these values, Calman can generate RGBW ramps that are specifically tailored to the display’s capabilities. This ensures that the calibration process is accurate and that the display will accurately reproduce the desired colors. Therefore, it is crucial to include the minimum requirements in the patch set for ramp-based calibration.
Minimum Requirements for Sparse Patch Sets
Sparse patch sets require the inclusion of peak primaries, secondaries, white, and black values, as well as at least one measurement within the luminance and saturation ramps, to ensure accurate calibration and provide essential data for the calibration process. The peak primaries and secondaries represent the maximum intensity values for the primary and secondary colors, while the white and black values define the brightest and darkest points of the display. Including at least one measurement within the luminance and saturation ramps ensures that the calibration covers a range of luminance levels and color saturations. This comprehensive data allows Calman to accurately calibrate the display and ensure color accuracy. Sparse patch sets are particularly useful for simulating Fixed Grid operation and generating RGB triplets for calibration.
- Peak primaries, secondaries, white, and black values must be included.
- At least one measurement within the luminance and saturation ramps is required.
- Sparse patch sets are useful for simulating Fixed Grid operation.
- Sparse patch sets generate RGB triplets for calibration.
