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TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20330313T030000 RDATE:20331106T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20340312T030000 RDATE:20341105T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20350311T030000 RDATE:20351104T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20360309T030000 RDATE:20361102T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20370308T030000 RDATE:20371101T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT END:VTIMEZONE BEGIN:VEVENT UID:b00f83b0c79b81a69e3c7e6e20520b3e CATEGORIES:RuCCS Colloquia:Fall 2004 CREATED:20151203T141540 SUMMARY:Making Effective Artistic Renderings LOCATION:Rutgers University\, Computer Science and Cognitive Science DESCRIPTION:
I will describe two ongoing projects t
hat seek to produce
easily-perceived imagery using new theories in cogni
tive science
that relate artistic images to realistic images through our
understanding of human visual perception. Much of this talk will<
BR>focus on a new computational approach for making convincing
line-draw
ings of three-dimensional shapes. It goes beyond occluding
contour
s (which include the silhouette) and creases, and relies on a
new class
of lines: suggestive contours. Suggestive contours are
lines on th
e surface that become true contours in nearby viewpoints;
they turn out
to be located at certain view-dependent inflections of
the surface. 
; Suggestive contours convey much richer information
about shape than co
ntours can alone, yet they do so in a way that
harmonizes with the conto
urs. Supported by a range of examples,
I'll discuss the mathematic
al properties of suggestive contours,
their perceptual implications, and
their computational realization.