Hello guys,

I'm thinnking about applying as a student to implement an image segmentation
plugin using the technique known as the Image Foresting Transform (IFT) [4],
but before that I'd like to introduce myself and ask a couple of questions
to make sure our interests match. So here goes:

= Introduction =

I'm a Computer Science MSc student at UNICAMP (from Brazil, we've a great
history of participations on GSoC), and I have been working with Linux for
about 4 years. I've just been admitted to the graduate program but I've been
researching image processing algorithms (mostly related to object
segmentation on images and videos) for the past 2 years. Before that I have
worked with robotics, so I have experience on:

* Building C/C++ modules applied to indoor navigation of robots for about 2
years as a Research Scholarship Holder -- This project was also applied to
the mix of robotics and entertainment, and involved a lot of C/Shell Script
hacking and kernel adaptation (also some Java coding).
 * Developing image and video segmentation algorithms [1,2,3] using the
Image Foresting Transform (created by my advisor prof. Alexandre X. Falcão
[4]) mostly in C/C++ (some Python) -- Also as a Research Scholarship Holder.
* Dealing with libraries such as wxWidgets (Gtk) to implement the GUI of a
software used in my image processing research. I am currently doing some
code scrubbing on that sw to make it available on the Internet (open source,
of course =D).

In fact, the last item is where I got the inspiration to develop the GIMP
plugin in the first place. IFT is a great alternative to algorithms based on
the graph cut technique, and it was proven to provide better results [5]. It
is a generalization of the Dijkstra's algorithm, which works quite fast and
has served for many purposes in the image processing domain (e.g. image
segmentation, CBIR, and morphology). Furthermore, in my research we have
been working really hard to make user interaction more effective, faster,
and the least as possible.

That's it for my technical profile. As for my personal info, I'm not sure
what to write about, so feel free to ask me any questions.

= Questions =

I know there is already a segmentation tool in GIMP, but I feel it could
co-exist with this plugin. So, here are my questions:

* I like to use SSE intrinsics to optimize some of my code, is it ok if I
use it for the plugin?

* I do plan to keep working on my research during the GSoC period, which
takes me around 25~30 hours each week. Will this be a problem?

That's it guys. Sorry for the long e-mail.

Hope to hear from you.

Best regards,

[1] - http://portal.acm.org/citation.cfm?id=1700473
[2] - http://www.springerlink.com/content/7415482725175nm7/
[3] - R. Minetto, J. P. Papa, T. V. Spina, A. X. Falcão, N. J. Leite, and J.
Stolfi. Fast and robust object tracking using iimage foresting transform. In
16th International Workshop on Systems, Signals and Image Processing,
Chalkida, Greece, Jun 2009. IEEE.
[4] - http://www.ic.unicamp.br/~afalcao/downloads.html
[5] - http://portal.acm.org/citation.cfm?id=1574529

(Please let me apologize about referencing our papers, but our software is
not yet available. If anyone is interested in reading them please contact

Thiago Vallin Spina
MSc Student
Laboratory of Visual Informatics
Institute of Computing -- Unicamp
www.liv.ic.unicamp.br/ <http://www.liv.ic.unicamp.br/~tvspina>
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