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inner surface of an object

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Violet P
Violet P 2012-4-24
Dear all,
Does anybody know how can I extract the inner surface of a volume with hollow (for example a cup!)

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回答（2 个）

Image Analyst
Image Analyst 2012-4-24
I'd probably try this:
  1. Do a hole fill.
  2. Subtract the original, to get the solid hole.
  3. Do a dilation, to expand back into the inner surface of the original.
  4. Subtract the "second" original (the solid hole image).
Violet P
Violet P 2012-4-30
Dear "Image Analyst",
Thank you for your prompt response. I used your suggestion it worked :)

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