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From: Hiep on 22 Jan 2010 01:52
Hi all,

I am exploring bwboundaries function to find out the behind detailed algorithm, so that I can make changes to fit my requirements. However, I encountered a sub-function called bwboundariesmex used by bwboundaries. What is the algo of that function? There does not seem to be any document about it.
Can anybody explain to me the main algos behind bwboundaries and bwboundariesmex?

One more question, is there a way for Matlab to communicate with powerpoint? Or to produce slide shows using Matlab as in Powerpoint?

The scenario is I am building a system to auto-correct the distorted slide shows projected on the panel, captured by webcam.

Thank you in advance.

Ken.
From: Yair Altman on 22 Jan 2010 03:59
> is there a way for Matlab to communicate with powerpoint? Or to produce slide shows using Matlab as in Powerpoint?


You can use the OfficeDoc utility to produce PowerPoint slides from Matlab: http://www.mathworks.com/matlabcentral/fileexchange/15192-officedoc-readwriteformat-ms-office-docs-xlsdocppt

Yair Altman
http://UndocumentedMatlab.com
From: Hiep on 22 Jan 2010 10:08

I'll give it a try.

Thanks Altman:-)
From: Hiep on 24 Jan 2010 07:33
How about first question on bwboundariesmex and bwboundaries?

Hiep.
From: ImageAnalyst on 24 Jan 2010 09:16
On Jan 24, 7:33 am, "Hiep " <pegagus...(a)yahoo.com> wrote:
> How about first question on bwboundariesmex and bwboundaries?
>
> Hiep.

Call the Mathworks and ask them.
They will usually tell you the published paper that they used (if they
used one) as the basis for the algorithm. They won't give you the
course code though.
Maybe you might want to take a look at bwtraceboundaries also.
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