<s>
Simple	B-Algorithm
interactive	I-Algorithm
object	I-Algorithm
extraction	I-Algorithm
(	O
SIOX	O
)	O
is	O
an	O
algorithm	O
for	O
extracting	O
foreground	O
objects	O
from	O
color	O
images	O
and	O
videos	O
with	O
very	O
little	O
user	O
interaction	O
.	O
</s>
<s>
It	O
has	O
been	O
implemented	O
as	O
"	O
foreground	O
selection	O
"	O
tool	O
in	O
the	B-Application
GIMP	I-Application
(	O
since	O
version	O
2.3.3	O
)	O
,	O
as	O
part	O
of	O
the	O
tracer	O
tool	O
in	O
Inkscape	B-Application
(	O
since	O
0.44pre3	O
)	O
,	O
and	O
as	O
function	O
in	O
ImageJ	B-Language
and	O
Fiji	B-Language
(	O
plug-in	O
)	O
.	O
</s>
<s>
Experimental	O
implementations	O
were	O
also	O
reported	O
for	O
Blender	B-Application
and	O
Krita	B-Application
.	O
</s>
<s>
Although	O
the	O
algorithm	O
was	O
originally	O
designed	O
for	O
videos	O
,	O
virtually	O
all	O
implementations	O
use	O
SIOX	O
primarily	O
for	O
still	O
image	B-Algorithm
segmentation	I-Algorithm
.	O
</s>
<s>
In	O
fact	O
,	O
it	O
is	O
often	O
said	O
to	O
be	O
the	O
current	O
de	O
facto	O
standard	O
for	O
this	O
task	O
in	O
the	O
open-source	B-License
world	O
.	O
</s>
<s>
For	O
video	O
segmentation	B-Algorithm
the	O
sure	O
background	O
and	O
sure	O
foreground	O
regions	O
are	O
learned	O
from	O
motion	O
statistics	O
.	O
</s>
<s>
As	O
with	O
all	O
segmentation	B-Algorithm
algorithms	O
,	O
there	O
are	O
always	O
pictures	O
where	O
the	O
algorithm	O
does	O
not	O
yield	O
perfect	O
results	O
.	O
</s>
<s>
SIOX	O
performs	O
about	O
equally	O
well	O
on	O
different	O
benchmarks	O
compared	O
to	O
graph-based	O
segmentation	B-Algorithm
methods	O
,	O
such	O
as	O
Grabcut	B-Algorithm
.	O
</s>
<s>
SIOX	O
is	O
,	O
however	O
,	O
more	O
noise	O
robust	O
and	O
can	O
therefore	O
also	O
be	O
used	O
for	O
the	O
segmentation	B-Algorithm
of	O
videos	O
.	O
</s>
<s>
Graph-based	O
segmentation	B-Algorithm
methods	O
search	O
for	O
a	O
minimum	O
cut	O
and	O
therefore	O
tend	O
to	O
not	O
perform	O
optimally	O
with	O
complex	O
structures	O
.	O
</s>
<s>
in	O
the	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
.	O
</s>
