Image Processing Reference
In-Depth Information
If you are satisfied with the
rendering, you can save the
image by clicking Save in the main
You also have the option of
a second tone mapping method.
Click on the Receptor tab next to
Simplex in the main window.
In the Receptor dialog box,
you have several tone mapping
options to choose from. The
value on the Compression slider
defines the strength of the
tonal range compression. A
higher dynamic range (color and
brightness contrasts) exacts a
stronger compression. FDRTools
recommends using values
between 1 and 5 for RAW images
(the program allows you to use the
tool for individual RAW photos)
and higher values up to 10 for HDR
bracketed exposures.
The values shown here were
set according to the result visible
in the Navigator's preview image.
The result after saving can be used
to check if the image is rendered
too bright or too dark. If necessary,
you can make corrections using
GIMP. You can edit the image by
applying a tonality correction or
the gradation curves to quickly
reach the desired result.
As soon as you have optimized
the image, click Save in the main
The Save Tone Mapped Image window opens; it resembles the standard
Save as window. Select where you want to save your image, give the image
a name, and choose the file type for the image. You can choose between 16
bits/channel and 8 bits/channel color depth, depending on if you want to
save your HDR image in high quality or use it for further editing in GIMP.
Figure 3.123
The setting options of the Receptor tone mapping method.
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