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Three-dimensional B-Process |
digital I-Process |
subtraction I-Process |
angiographic I-Process |
( O |
3D-DSA B-Process |
) O |
images O |
from O |
diagnostic O |
cerebral B-Process |
angiography I-Process |
were O |
obtained O |
at O |
least O |
one O |
day O |
prior O |
to O |
embolization B-Process |
in O |
all O |
patients O |
. O |
The O |
raw O |
data O |
of O |
3D-DSA B-Process |
in O |
a O |
DICOM B-Material |
file I-Material |
were O |
used O |
for O |
creating B-Task |
a I-Task |
3D I-Task |
model I-Task |
of I-Task |
the I-Task |
target I-Task |
vessel I-Task |
segment I-Task |
. O |
These O |
data O |
were O |
converted O |
to O |
standard B-Process |
triangulation I-Process |
language I-Process |
( O |
STL B-Process |
) O |
surface O |
data O |
as O |
an O |
aggregation O |
of O |
fine O |
triangular B-Material |
meshes I-Material |
using O |
3D B-Process |
visualization I-Process |
and O |
measurement B-Process |
software O |
( O |
Amira B-Material |
version I-Material |
X I-Material |
, O |
FEI O |
, O |
Burlington O |
, O |
MA O |
, O |
USA O |
) O |
. O |
An O |
unstructured O |
computational B-Material |
volumetric I-Material |
mesh I-Material |
was O |
constructed O |
from O |
the O |
triangulated B-Material |
surface I-Material |
. O |
Smoothing B-Process |