This is documentation for Mathematica 8, which was
based on an earlier version of the Wolfram Language.
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BorderDimensions

BorderDimensions[image]
gives the pixel width of uniform borders of image in the form .
BorderDimensions
finds borders whose pixels vary by an amount less than t.
  • ImagePad effectively removes uniform image margins.
Find the pixel dimensions of the black margins:
Find the pixel dimensions of the black margins:
In[1]:=
Click for copyable input
Out[1]=
Border dimensions of a grayscale image:
Specify a higher tolerance to detect a noisy image border:
Remove blue borders of a color image:
Extract the text part of a scanned book:
Extract the foreground objects over a smoothly shaded background:
Border dimensions of a uniform image are considered zero:
New in 8