Discussion:
[Numpy-discussion] Python equivalent of bwboundaries, bwlabel
Cameron Walsh
2007-06-29 06:47:27 UTC
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Hi all,

I'm trying to do object segmentation from image slices, and have found the
matlab functions bwlabel and bwboundaries. I haven't been able to find a
python equivalent in the pylab, scipy, numpy, or Image modules, nor has
google been fruitful. Could somebody point me in the right direction to
find equivalent functions if they exist?

Cameron.
Nadav Horesh
2007-06-29 09:15:10 UTC
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There are several image processing function (including labeling) in numpy.numarray.nd_image package. You can find nd_image documentation in numarray-1.5.pdf (http://downloads.sourceforge.net/numpy/numarray-1.5.pdf?modtime=1133880381&big_mirror=0)

Nadav.

-----Original Message-----
From: numpy-discussion-***@scipy.org on behalf of Cameron Walsh
Sent: Fri 29-Jun-07 09:47
To: numpy-***@scipy.org; image-***@python.org
Cc:
Subject: [Numpy-discussion] Python equivalent of bwboundaries, bwlabel

Hi all,

I'm trying to do object segmentation from image slices, and have found the
matlab functions bwlabel and bwboundaries. I haven't been able to find a
python equivalent in the pylab, scipy, numpy, or Image modules, nor has
google been fruitful. Could somebody point me in the right direction to
find equivalent functions if they exist?

Cameron.
Mark Asbach
2007-06-29 10:05:05 UTC
Permalink
Hi Nadav,
Post by Nadav Horesh
There are several image processing function (including labeling) in
numpy.numarray.nd_image package. You can find nd_image
documentation in numarray-1.5.pdf (http://downloads.sourceforge.net/
numpy/numarray-1.5.pdf?modtime=1133880381&big_mirror=0)
Post by Cameron Walsh
I'm trying to do object segmentation from image slices, and have found the
matlab functions bwlabel and bwboundaries. I haven't been able to find a
python equivalent in the pylab, scipy, numpy, or Image modules, nor has
google been fruitful. Could somebody point me in the right
direction to
find equivalent functions if they exist?
Since I'm one of the maintainers, I'd like to point you to OpenCV,
the Open Computer Vision Library, that has a python wrapper
(including PIL and numpy adaptors). For object segmentation, you
might be better off to take a library that features a large set of
building blocks for issues like these.

http://sf.net/projects/opencvlibrary

Yours, Mark
--
Mark Asbach
Institut für Nachrichtentechnik, RWTH Aachen University
http://www.ient.rwth-aachen.de/cms/team/m_asbach
ANIRUDH VIJ
2007-06-29 11:05:54 UTC
Permalink
OpenCV comes with python wrappers.That should help to do pretty much any image
processing task.
Post by Nadav Horesh
There are several image processing function (including labeling) in
numpy.numarray.nd_image package. You can find nd_image documentation
in numarray-1.5.pdf (http://downloads.sourceforge.net/numpy/numarray-
1.5.pdf?modtime=1133880381&big_mirror=0)
Nadav.
-----Original Message-----
Sent: Fri 29-Jun-07 09:47
Subject: [Numpy-discussion] Python equivalent of bwboundaries, bwlabel
Hi all,
I'm trying to do object segmentation from image slices, and have
found the matlab functions bwlabel and bwboundaries. I haven't been
able to find a python equivalent in the pylab, scipy, numpy, or
Image modules, nor has google been fruitful. Could somebody point
me in the right direction to find equivalent functions if they exist?
Cameron.
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