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based on an earlier version of the Wolfram Language.
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ImageTake

ImageTake
gives an image consisting of the first n rows of image.
ImageTake
gives an image consisting of the last n rows of image.
ImageTake
gives rows through .
ImageTake
gives the image that spans to and to .
  • ImageTake takes the rows of an image to be numbered from top to bottom, starting at 1.
  • ImageTake uses the standard sequence specification:
Allall elements
nelements 1 through n
-nlast n elements
{n}element n only
{m,n}elements m through n inclusive
{m,n,s}elements m through n in steps of s
  • If fewer elements exist than are requested, ImageTake will just return the elements that are present.
Take the first 70 pixel rows from an image:
Take rows 80 to 200 and columns 100 to 200:
Take the first 70 pixel rows from an image:
In[1]:=
Click for copyable input
Out[1]=
 
Take rows 80 to 200 and columns 100 to 200:
In[1]:=
Click for copyable input
Out[1]=
Taking rows 40 to 2 gives rows 2 to 40 reversed:
Take every second row:
Downsample the image by extracting every second pixel:
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