ISIS Application Documentation
kuwahara | Standard View | TOC | Home |
Filter a cube, smoothing but preserving edges
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Name | Description |
---|---|
FROM | Input cube to be smoothed |
TO | Output cube |
Name | Description |
---|---|
SAMPLES | The number of samples, width, of the boxcar |
LINES | The size of the filter boxcar |
Use this parameter to select the input cube. All bands within the file will be filtered.
Type | cube |
---|---|
File Mode | input |
Filter | *.cub |
This file will contain the results of the filter.
Type | cube |
---|---|
File Mode | output |
Filter | *.cub |
This parameter sets the width, or number of samples, to have the filter process. This must be an odd number. The larger this is the larger the details that will be smoothed. A wide and short filter will do mostly horizantal smoothing, a tall and narrow filter mostly vertical.
Type | integer |
---|---|
Default | 5 |
Minimum | 1 (inclusive) |
Odd | This value must be an odd number |
This parameter sets the number of lines to be processed by the filter. This must be an odd number. Larger sizes will smooth larger features. A wide and short filter will do mostly horizantal smoothing, a tall and narrow filter mostly vertical.
Type | integer |
---|---|
Default | 5 |
Minimum | 1 (inclusive) |
Odd | This value must be an odd number |
Example of usage of the kuwahara filter to smooth and perserve edges.
kuwahara gui
|
Example GUI Screenshot of the GUI with parameters set to perform the kuwahara filter with a 5x5 boxcar on the image peaks.cub. |
The image before the filter
|
Input image before kuwahara filter
Parameter Name:
FROM This is the image as it was taken originally. |
The image after the filter
|
Output image after being smoother by kuwahara filter.
Parameter Name:
TO As you can observe, the image has been smoothed, but still retains the edges present in the original image. |
Mackenzie Boyd | 2009-05-19 | Original version |
Mackenzie Boyd | 2009-05-20 | Added examples, test |
Mackenzie Boyd | 2009-06-04 | Fixed images in documentation |
Mackenzie Boyd | 2009-06-09 | Made ostruthdata for samson only to handle problem with rounding errors |