
LS Software User Guide
154
Define Area Density Background
• Define Background
• Delete Background Region
• Modify and Existing Background Region
Define Background
By default, each area defined using the Define Region of Interest tools in the Area Density Action Tab has
a separate background. It is equal to the sum total of the perimeter around the region marked, three
pixels wide. If a common background for the entire image is needed:
• Once the region is defined, click on the Define Background menu button from the Area Density
Action Tab.
• Click onto a region of interest tool to define the background area.
• Left-click and drag to select a background region of interest. Then right-click on each area to set.
Once set, a number will display in the ROI.
• Click OK. The bounding box will turn blue.
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