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Smoothing Spatial Filter
$~/go/bin/loomis -command smooth_spatial -i testdata/green-bee-eater-grayscale.jpg
Only 5x5 uniform mask is supported by command line at the moment
newImage := pkg.SmoothingSpatialFilter(image, pkg.ThreeByThreeWeighted)
image is of type image.Image
second argument is a mask (samples below)
3x3 uniform mask - ThreeByThreeUniform
| Pixel | Values | Cell |
|---|---|---|
| 1 | 1 | 1 |
| 1 | 1 | 1 |
| 1 | 1 | 1 |
5x5 uniform mask - FiveByFiveUniform
| Pixel | Values | Cell | Values | Cell |
|---|---|---|---|---|
| 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
| 1 | 1 | 1 | 1 | 1 |
3x3 weighted mask - ThreeByThreeWeighted
| Pixel | Values | Cell |
|---|---|---|
| 1 | 2 | 1 |
| 2 | 4 | 2 |
| 1 | 2 | 1 |