imgMarrHildreth {biOps} | R Documentation |
This function does edge detection using the Marr-Hildreth algorithm.
imgMarrHildreth(imgdata, sigma)
imgdata |
The image |
sigma |
The standard deviation of Gaussian for convolution |
return an imagedata object
## Not run: x <- readJpeg(system.file("samples", "violet.jpg", package="biOps")) y <- imgMarrHildreth(x, 2) ## End(Not run)