wassname/scikit-image
1
0
Fork 0
mirror of https://github.com/wassname/scikit-image.git synced 2026-07-26 13:37:17 +08:00
Code Issues Packages Projects Releases Wiki Activity

DOC: Note that grey-level morphological operations only support flat structuring elements [provided by Ingrid Fabris-Rotelli].

Browse Source
This commit is contained in:
Stefan van der Walt
2010-11-24 10:33:52 +02:00
parent 5df119117f
commit eb1bb0aa45
1 changed files with 14 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
scikits/image/morphology/grey.py
+14 -14
View File
@@ -11,10 +11,10 @@ eps = np.finfo(float).eps
def greyscale_erode(image, selem, out=None):
"""
Performs a greyscale morphological erosion on an image given a
structuring element. The eroded pixel at (i,j) is the minimum
over all pixels in the neighborhood centered at (i,j).
Performs a greyscale morphological erosion on an image given a flat
structuring element. The eroded pixel at (i,j) is the minimum over all
pixels in the neighborhood centered at (i,j).
Parameters
----------
image : ndarray
@@ -43,13 +43,13 @@ def greyscale_erode(image, selem, out=None):
def greyscale_dilate(image, selem, out=None):
"""
Performs a greyscale morphological dilation on an image given a
structuring element. The dilated pixel at (i,j) is the maximum
over all pixels in the neighborhood centered at (i,j).
Performs a greyscale morphological dilation on an image given a flat
structuring element. The dilated pixel at (i,j) is the maximum over all
pixels in the neighborhood centered at (i,j).
Parameters
----------
image : ndarray
The image as an ndarray.
@@ -73,10 +73,10 @@ def greyscale_dilate(image, selem, out=None):
return out;
except ImportError:
raise ImportError("cmorph extension not available.")
def greyscale_open(image, selem, out=None):
"""
Performs a greyscale morphological opening on an image given a
Performs a greyscale morphological opening on an image given a flat
structuring element defined as a erosion followed by a dilation.
Parameters
@@ -102,7 +102,7 @@ def greyscale_open(image, selem, out=None):
def greyscale_close(image, selem, out=None):
"""
Performs a greyscale morphological closing on an image given a
Performs a greyscale morphological closing on an image given a flat
structuring element defined as a dilation followed by an erosion.
Parameters
@@ -128,7 +128,7 @@ def greyscale_close(image, selem, out=None):
def greyscale_white_top_hat(image, selem, out=None):
"""
Applies a white top hat on an image given a structuring element.
Applies a white top hat on an image given a flat structuring element.
Parameters
----------
@@ -149,7 +149,7 @@ def greyscale_white_top_hat(image, selem, out=None):
"""
if image is out:
raise NotImplementedError("Cannot perform white top hat in place.")
eroded = greyscale_erode(image, selem)
out = greyscale_dilate(eroded, selem, out=out)
out = image - out
@@ -157,7 +157,7 @@ def greyscale_white_top_hat(image, selem, out=None):
def greyscale_black_top_hat(image, selem, out=None):
"""
Applies a black top hat on an image given a structuring element.
Applies a black top hat on an image given a flat structuring element.
Parameters
----------