Bio-Rad Quantity One 1-D Analysis Software - Manual (Page 84)

Chapter 3. Viewing and Editing Images
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Completing the Subtraction
When you are satisfied with the background subtraction shown in the preview image,
click on OK. Because whole-image background subtraction is irreversible, you will
be prompted to subtract from the original image, subtract from a copy, or cancel the
operation.
If you choose Copy and Subtract, enter the name and/or version number for the new
copy in the pop-up box and click on OK to complete the command.
3.11 Filtering Images
Filtering is a process that removes small noise features on an image while leaving
larger features (e.g., bands) relatively unaffected. A wide range of filters are available
for removing different types of noise from images. Depending on the nature of your
data, you will probably need to use only one or two of the available filters. However,
you should experiment with several different filters before selecting the ones that
work best for your images.
The filtering commands are located on the Image menu and toolbar.