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<div><font size="+3"><span style="font-size: 12.8px"></span></font><b><font
size="+3" face="Helvetica, Arial, sans-serif"><span
style="font-size: 12.8px">Pozdravljeni!</span></font></b><b><font
size="+3" face="Helvetica, Arial, sans-serif"><span
style="font-size: 12.8px"><br>
<br>
</span></font></b><b><font size="+3" face="Helvetica, Arial,
sans-serif"><span style="font-size: 12.8px">V sklopu Odsečnih
seminarjev Odseka za računalniške sisteme Instituta "Jožef
Stefan" <br>
vas vabimo na predavanje, <br>
ki bo potekalo <br>
16. oktobra 2017 ob 13 uri v predavalnici MPŠ.<br>
<br>
Speaker: prof. dr. David Donald Pokrajac </span><span
style="font-size: 12.8px">(Delaware State University)</span></font></b></div>
<b><font size="+3" face="Helvetica, Arial, sans-serif"> <span
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Title: Recursive partitioning simulation of breast tissue</span><br>
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</font></b><b><font size="+3" face="Helvetica, Arial, sans-serif"><span
style="font-size: 12.8px"><u>Abstract:</u> Three dimensional
breast models represent important tools used in a variety of
tasks, from preclinical evaluation of imaging technique, to
dosimetry and computer aided diagnostic. In collaboration with
University of Pennsylvania, we have developed a breast
simulation algorithm that can provide simulation of various
breast structures and control of anthropometric parameters
such as number of fat compartments, thickness of Cooper"s
ligaments and percentage of radiologically dense tissue. In
this presentation, we discuss foundations of recursive
partitioning algorithm and consider its experimental
performance and asymptotic complexity. Then, we discuss
various improvements of algorithm, aimed to simulate voxels
with multiple materials (partial volume effect), improve
control of ligament thickness and surface smoothness and
achieve simulation of milk ducts. We emphasize solved and open
mathematical problems arising from this application related to
non-linear optimization, graph theory, three-dimensional
signal processing and computational geometry.</span><br>
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