lee_filter {whitebox} | R Documentation |
Performs a Lee (Sigma) smoothing filter on an image.
lee_filter(input, output, filterx = 11, filtery = 11, sigma = 10, m = 5, verbose_mode = FALSE)
input |
Input raster file. |
output |
Output raster file. |
filterx |
Size of the filter kernel in the x-direction. |
filtery |
Size of the filter kernel in the y-direction. |
sigma |
Sigma value should be related to the standarad deviation of the distribution of image speckle noise. |
m |
M-threshold value the minimum allowable number of pixels within the intensity range. |
verbose_mode |
Sets verbose mode. If verbose mode is False, tools will not print output messages. |
Returns the tool text outputs.