<s>
Laboratory	B-Algorithm
Unit	I-Algorithm
for	I-Algorithm
Computer	I-Algorithm
Assisted	I-Algorithm
Surgery	I-Algorithm
is	O
a	O
system	O
used	O
for	O
virtual	O
surgical	O
planning	O
.	O
</s>
<s>
In	O
fact	O
,	O
LUCAS	O
is	O
integrated	O
into	O
the	O
same	O
platform	B-Device
together	O
with	O
the	O
Surgical	O
Segment	O
Navigator	O
(	O
SSN	O
)	O
,	O
the	O
Surgical	O
Tool	O
Navigator	O
(	O
STN	O
)	O
,	O
the	O
Surgical	O
Microscope	O
Navigator	O
(	O
SMN	O
)	O
and	O
the	O
6DOF	O
Manipulator	O
(	O
or	O
,	O
in	O
German	O
,	O
"	O
Mehrkoordinatenmanipulator	O
"	O
-	O
MKM	O
)	O
,	O
also	O
from	O
the	O
Carl	O
Zeiss	O
Company	O
.	O
</s>
<s>
Data	O
from	O
separate	O
bidimensional	B-Algorithm
slices	O
generated	O
by	O
a	O
CT	O
or	O
MRI	B-Algorithm
scan	O
are	O
uploaded	O
into	O
the	O
LUCAS	O
system	O
.	O
</s>
<s>
The	O
resulting	O
dataset	B-General_Concept
is	O
then	O
processed	O
,	O
in	O
order	O
to	O
eliminate	O
image	B-Algorithm
noise	I-Algorithm
,	O
and	O
to	O
enhance	O
the	O
anatomical	O
contours	O
and	O
also	O
the	O
general	O
contrast	O
of	O
the	O
images	O
.	O
</s>
<s>
The	O
next	O
step	O
is	O
to	O
create	O
a	O
virtual	O
3D	O
model	O
from	O
the	O
gathered	O
collection	O
of	O
2D	B-Algorithm
images	O
.	O
</s>
