Creating a "Mask" in ENVI

Hyperspectral Microscope Cool Tricks Creating a "Mask" in ENVI

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    When mapping particles or materials of interest you may only want to see them and find their distribution within a certain area, like a cell or area of interest. This can be accomplished by creating what’s called a “Mask” in ENVI.

    In the attached example, we will illustrate how to find gold nanoparticles within a specified area of a cell even though there are obviously particles outside the cell. What we will do is create a mask that will only show the cell and ignore the areas outside of the cell. Then we will use Spectral Angle Mapper to identify particles only within the masked area.

    Please see the attached document titled “Creating a Mask in ENVI.pdf” for full details and instructions.

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