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Call invert() in doc

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François Boulogne
2016-08-01 11:46:05 +02:00
parent 2f0b9ace09
commit 10293f8891
1 changed files with 3 additions and 2 deletions
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doc/source/user_guide/transforming_image_data.rst
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@@ -88,10 +88,11 @@ An inverted image is also called complementary image. For binary images, True va
become False and conversely. For grayscale images, pixel values are replaced by the
difference of the maximum value of the data type and the actual value. For RGB
images, the same operation is done for each channel. This operation can be achieved
with the negation operator ~ on any numpy array::
with :py:func:`skimage.util.invert`::
>>> from skimage import util
>>> img = data.camera()
>>> inverted_img = ~img
>>> inverted_img = util.invert(img)
Painting images with labels
~~~~~~~~~~~~~~~~~~~~~~~~~~~