<s>
In	O
image	B-Algorithm
processing	I-Algorithm
,	O
stairstep	B-Algorithm
interpolation	I-Algorithm
is	O
a	O
general	O
method	O
for	O
interpolating	O
the	O
pixels	O
after	O
enlarging	O
an	O
image	O
.	O
</s>
<s>
The	O
key	O
idea	O
is	O
to	O
interpolate	O
multiple	O
times	O
in	O
small	O
increments	O
using	O
any	O
interpolation	O
algorithm	O
that	O
is	O
better	O
than	O
nearest-neighbor	O
interpolation	O
,	O
such	O
as	O
bilinear	O
interpolation	O
,	O
and	O
bicubic	B-Algorithm
interpolation	I-Algorithm
.	O
</s>
<s>
A	O
common	O
scenario	O
is	O
to	O
interpolate	O
an	O
image	O
by	O
using	O
a	O
bicubic	B-Algorithm
interpolation	I-Algorithm
which	O
increases	O
the	O
image	O
size	O
by	O
no	O
more	O
than	O
10%	O
(	O
110%	O
of	O
the	O
original	O
size	O
)	O
at	O
a	O
time	O
until	O
the	O
desired	O
size	O
is	O
reached	O
.	O
</s>
