<s>
Rotoshop	B-Application
is	O
a	O
proprietary	B-Application
graphics	O
editing	O
program	O
created	O
by	O
Bob	O
Sabiston	O
.	O
</s>
<s>
Rotoshop	B-Application
uses	O
an	O
animation	O
technique	O
called	O
interpolated	B-Algorithm
rotoscoping	O
,	O
which	O
has	O
been	O
used	O
in	O
Richard	O
Linklater	O
's	O
films	O
Waking	O
Life	O
and	O
A	O
Scanner	O
Darkly	O
,	O
as	O
well	O
as	O
the	O
Talk	O
to	O
Chuck	O
advertising	O
campaign	O
for	O
Charles	O
Schwab	O
.	O
</s>
<s>
The	O
name	O
is	O
a	O
play	O
on	O
Photoshop	B-Operating_System
,	O
a	O
photo	O
editing	O
program	O
from	O
Adobe	O
.	O
</s>
<s>
The	O
software	O
is	O
not	O
currently	O
available	O
for	O
use	O
outside	O
Flat	B-Application
Black	I-Application
Films	I-Application
,	O
the	O
developer	O
of	O
Rotoshop	B-Application
.	O
</s>
<s>
Like	O
Fantavision	B-Application
and	O
Adobe	B-Operating_System
Flash	I-Operating_System
,	O
Rotoshop	B-Application
allows	O
for	O
interpolation	B-Algorithm
between	O
keyframes	O
.	O
</s>
<s>
Interpolated	B-Algorithm
lines	O
and	O
shapes	O
have	O
a	O
very	O
smooth	O
,	O
fluid	O
motion	O
that	O
is	O
extremely	O
difficult	O
to	O
achieve	O
by	O
hand-drawing	O
each	O
line	O
.	O
</s>
