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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Apologies for Cross-posts<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>****<o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>Jan Kautz</span></font></b><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial'> <b><span
style='font-weight:bold'>"Interactive Editing and Modeling of
Bidirectional Texture Functions"</span></b> Friday 14th March 2008, 2-3pm GMT
Room 1.10, <st1:PlaceName w:st="on">Kilburn</st1:PlaceName> <st1:PlaceType
w:st="on">Building</st1:PlaceType>, The University of Manchester <st1:country-region
w:st="on"><st1:place w:st="on">UK</st1:place></st1:country-region> </span></font><span
lang=EN-GB><a href="http://www.manchester.siggraph.org/"
title="http://www.manchester.siggraph.org/">www.manchester.siggraph.org</a></span><font
size=2 face=Arial><span lang=EN-GB style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>While measured Bidirectional Texture Functions (BTFs)
enable impressive realism in material appearance, they offer little control,
which limits their use for content creation. In this work, we interactively
manipulate BTFs and create new BTFs from flat textures. We present an
out-of-core approach to manage the size of BTFs and introduce new editing
operations that modify the appearance of a material. These tools achieve their
full potential when selectively applied to subsets of the BTF through the use of
new selection operators. We further analyze the use of our editing operators
for the modification of important visual characteristics such as highlights,
roughness, and fuzziness. Results compare favorably to the direct alteration of
micro-geometry and reflectances of ground-truth synthetic data.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=2 face=Arial><span lang=EN-GB
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>Access Grid
Information<o:p></o:p></span></font></b></p>
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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Virtual venue: <st1:place w:st="on"><st1:PlaceType
w:st="on">University</st1:PlaceType> of <st1:PlaceName w:st="on">Manchester</st1:PlaceName></st1:place>
(1.10)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>Jabber room: uom1.10@conference.mcs.anl.gov<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>IGPix: roberts.agsc.man.ac.uk/igpix/uom110 (although
more likely to use screenstreamer – works well now)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span lang=EN-GB style='font-size:
10.0pt;font-family:Arial'>For technical assistance regarding the Access Grid,
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title="mailto:support@agsc.ja.net">support@agsc.ja.net</a> If possible;
please let us know in advance if your site intends to join a seminar. Further
Information <a href="http://www.mc.manchester.ac.uk/research/seminars/"
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10.0pt;font-family:Arial'><img border=0 width=239 height=346 id="_x0000_i1025"
src="cid:image001.jpg@01C87DDE.726AE940"><o:p></o:p></span></font></p>
<p><font size=2 face="Times New Roman"><span style='font-size:10.0pt'>Martin J.
Turner, Visualization Team Leader</span></font><o:p></o:p></p>
<p><font size=2 face="Times New Roman"><span style='font-size:10.0pt'>Research
Computing Services<br>
The <st1:place w:st="on"><st1:PlaceType w:st="on">University</st1:PlaceType> of
<st1:PlaceName w:st="on">Manchester</st1:PlaceName></st1:place><br>
<st1:place w:st="on"><st1:PlaceName w:st="on">Kilburn</st1:PlaceName> <st1:PlaceType
w:st="on">Building</st1:PlaceType></st1:place>, <st1:Street w:st="on"><st1:address
w:st="on">Oxford Road</st1:address></st1:Street><br>
<st1:place w:st="on"><st1:City w:st="on">Manchester</st1:City>, <st1:PostalCode
w:st="on">M13 9PL</st1:PostalCode> <st1:country-region w:st="on">UK</st1:country-region></st1:place></span></font><o:p></o:p></p>
<p><font size=2 face="Times New Roman"><span style='font-size:10.0pt'>t :
+44 (0) 161 275 0613<br>
m : +44 (0) 7990 918 509<br>
e : <a href="mailto:martin.turner@manchester.ac.uk">martin.turner@manchester.ac.uk</a><br>
w : <a href="http://www.manchester.ac.uk/researchcomputing">www.manchester.ac.uk/researchcomputing</a></span></font><o:p></o:p></p>
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