Tuning the Tone Adjustment Feature

This section describes how to tune the Tone Adjustment feature to control the global tone adjustment submodule of LTM within a DC9400.

Before you begin

Make sure:

The details view contains the Tone Adjustment table for LTM.
To tune this feature, you need to choose DC9400 > LTM > Tone Adjustment in the Features view. For more details, see Tuning a DC9400 Feature.

Figure 1. Tone Adjustment Table for LTM
A VTunerServer is accessible.
For information about how to set up a connection to a VTunerServer, see Setting Up a Connection to a VTunerServer.

This feature is used to tune the global tone adjustment submodule of LTM, which applies a global tone mapping curve on the image.

Next to Use Out Luma, select Enable or Disable to control the luma data source.
- If Enable is selected, the luma data is output from the local affine transform submodule.
- If Disable is selected, the luma data is output from the luma calculation submodule, which means that local tone mapping is bypassed.
Next to Tone Adjustment LUT, click View/Edit this Table to edit the tone mapping LUT.
You can use one of the following methods to update the tone mapping LUT:
- Double-click and edit a single cell in the LUT.
- Click Edit and update the LUT cells in the prompted Edit Table dialog.
  The cells must be specified in the same order as those in the LUT and separated by a comma (,) in each row.
- Click Export to export the LUT cells to a .csv file, edit the file, and then import the updated LUT from the .csv file.
  The order of the cells in the exported .csv file is the same as that in the LUT.