The operation enhances the contrast of an image by adding the result of
the top-hat filter and subtracting the result of the bottom hat
filter.
Options
morphology type: Choose wether the 8-bit or the 32-bit morphology plugins are used. radius: The radius of the structuring element. structuring
element type: Select the form of the structuring element. If free form
is selected the structuring element can be entered manually. structuring
element: Enter the structuring element directly. This is used when free
form is selected in the field structuring element type.
Parameter
The only parameter is the input image.
Results
The only result is the result image. The result image is a 32-bit or an 8-bit image, depending on the morphology type used.