Rank Filter
The Rank Filter replaces pixel values with a specific ranked percentile value identified in the local neighborhood. The Median Filter is a special rank filter which selects the median, or 50th percentile, value. Other special purpose rank filters are the Minimum Filter and Maximum Filter..
This command opens from the Process > Filters menu.
Properties of the Rank Filter
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Profile |
Selects the parameter profile for this command. |
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[Select] |
Selects the source images from an image window, folder, files, pattern, or a file list. |
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Width |
Specifies the width of the rank filter neighborhood in terms of pixels along the horizontal (row) direction. |
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Height |
Specifies the height of the rank filter neighborhood in terms of pixels along the vertical (column) direction. |
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Rank |
Specifies the rank percentile to be selected among pixel values in the neighborhood specified by Width and Height. |
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Source Region |
Specifies the rectangular region to be processed. The options are as follows: Entire image: The entire image is processed. Image Cursor: The region to be processed is selected using the Image Cursor . Rectangle: The region specified by Min and Max limits for Column and Row coordinates is processed. Column and Row, Min and Max: When Rectangle is selected, these values specify the column and row limits to be processed. |
Spatial Filter Commands, Median Filter, Minimum Filter, Maximum Filter