<s>
This	O
gallery	O
shows	O
the	O
results	O
of	O
numerous	O
image	B-Algorithm
scaling	I-Algorithm
algorithms	O
.	O
</s>
<s>
The	O
resulting	O
image	O
is	O
larger	O
than	O
the	O
original	O
,	O
and	O
preserves	O
all	O
the	O
original	O
detail	O
,	O
but	O
has	O
(	O
possibly	O
undesirable	O
)	O
jaggedness	B-Algorithm
.	O
</s>
<s>
Simple	O
Fourier	B-Algorithm
based	O
interpolation	O
based	O
on	O
padding	O
of	O
the	O
frequency	O
domain	O
with	O
zero	O
components	O
(	O
a	O
smooth-window-based	O
approach	O
would	O
reduce	O
the	O
ringing	B-Algorithm
)	O
.	O
</s>
<s>
Examples	O
of	O
algorithms	O
for	O
this	O
task	O
include	O
New	O
Edge-Directed	O
Interpolation	O
(	O
NEDI	O
)	O
,	O
Edge-Guided	O
Image	O
Interpolation	O
(	O
EGGI	O
)	O
,	O
Iterative	O
Curvature-Based	O
Interpolation	O
(	O
ICBI	O
)	O
,	O
and	O
Directional	B-Algorithm
Cubic	I-Algorithm
Convolution	I-Algorithm
Interpolation	I-Algorithm
(	O
DCCI	O
)	O
.	O
</s>
<s>
For	O
magnifying	O
computer	O
graphics	O
with	O
low	O
resolution	O
and	O
few	O
colors	O
(	O
usually	O
from	O
2	O
to	O
256	O
colors	O
)	O
,	O
better	O
results	O
will	O
be	O
achieved	O
by	O
pixel	B-Algorithm
art	I-Algorithm
scaling	I-Algorithm
algorithms	I-Algorithm
such	O
as	O
hqx	B-Algorithm
or	O
xbr	O
.	O
</s>
<s>
Unfortunately	O
due	O
to	O
the	O
standardized	O
size	O
of	O
218x80	O
pixels	O
,	O
the	O
"	O
Wiki	O
"	O
image	O
cannot	O
use	O
HQ4x	B-Algorithm
or	O
4xBRZ	O
to	O
better	O
demonstrate	O
the	O
artifacts	O
they	O
may	O
produce	O
such	O
as	O
row	O
shifting	O
.	O
</s>
<s>
However	O
it	O
will	O
create	O
an	O
effect	O
similar	O
to	O
posterization	B-Algorithm
by	O
grouping	O
together	O
local	O
areas	O
into	O
a	O
single	O
colour	O
.	O
</s>
<s>
This	O
technique	O
is	O
used	O
by	O
Adobe	B-Language
Illustrator	I-Language
Live	O
Trace	O
,	O
Inkscape	B-Application
,	O
and	O
several	O
recent	O
papers	O
.	O
</s>
<s>
Scalable	B-Application
Vector	I-Application
Graphics	I-Application
are	O
well	O
suited	O
to	O
simple	O
geometric	O
images	O
,	O
while	O
photographs	O
do	O
not	O
fare	O
well	O
with	O
vectorization	O
due	O
to	O
their	O
complexity	O
.	O
</s>
<s>
The	O
other	O
algorithms	O
are	O
standardized	O
to	O
a	O
resolution	O
of	O
160x160	O
and	O
218x80	O
pixels	O
respectively.160	O
×160	O
thumbnail	O
referenceEDSRwaifu2x|alt	O
=	O
waifu2x	B-Algorithm
(	O
unknown	O
version	O
?	O
)	O
</s>
<s>
Enhanced	O
deep	O
residual	O
network	O
(	O
EDSR	O
)	O
methods	O
have	O
been	O
developed	O
by	O
optimizing	O
conventional	O
residual	B-Algorithm
neural	I-Algorithm
network	I-Algorithm
architecture	O
.	O
</s>
<s>
Developed	O
on	O
the	O
basis	O
of	O
the	O
super-resolution	O
generative	B-Algorithm
adversarial	I-Algorithm
network	I-Algorithm
(	O
SRGAN	O
)	O
method	O
,	O
enhanced	O
SRGAN	O
(	O
ESRGAN	O
)	O
is	O
an	O
incremental	O
tweaking	O
of	O
the	O
same	O
generative	B-Algorithm
adversarial	I-Algorithm
network	I-Algorithm
basis	O
.	O
</s>
