<s>
Visual	B-Algorithm
artifacts	I-Algorithm
(	O
also	O
artefacts	O
)	O
are	O
anomalies	O
apparent	O
during	O
visual	O
representation	O
as	O
in	O
digital	B-Algorithm
graphics	I-Algorithm
and	O
other	O
forms	O
of	O
imagery	O
,	O
especially	O
photography	O
and	O
microscopy	O
.	O
</s>
<s>
Unsuited	O
video	B-Device
card	I-Device
(	O
graphics	B-Device
card	I-Device
)	O
drivers	O
.	O
</s>
<s>
Drivers	O
that	O
have	O
values	O
that	O
the	O
graphics	B-Device
card	I-Device
is	O
not	O
suited	O
with	O
.	O
</s>
<s>
Overclocking	B-Application
beyond	O
the	O
capabilities	O
of	O
the	O
particular	O
video	B-Device
card	I-Device
.	O
</s>
<s>
Software	B-Error_Name
bugs	I-Error_Name
in	O
the	O
application	O
or	O
operating	O
system	O
.	O
</s>
<s>
These	O
effects	O
can	O
occur	O
in	O
both	O
analog	O
and	O
digital	B-Application
photography	I-Application
.	O
</s>
<s>
In	O
microscopy	O
,	O
an	O
artifact	B-Algorithm
is	O
an	O
apparent	O
structural	O
detail	O
that	O
is	O
caused	O
by	O
the	O
processing	O
of	O
the	O
specimen	O
and	O
is	O
thus	O
not	O
a	O
legitimate	O
feature	O
of	O
the	O
specimen	O
.	O
</s>
<s>
In	O
light	O
microscopy	O
,	O
artifacts	B-Algorithm
may	O
be	O
produced	O
by	O
air	O
bubbles	O
trapped	O
under	O
the	O
slide	O
's	O
cover	O
slip	O
.	O
</s>
<s>
Different	O
techniques	O
including	O
freeze-fracturing	O
and	O
cell	O
fractionation	O
may	O
be	O
used	O
to	O
overcome	O
the	O
problems	O
of	O
artifacts	B-Algorithm
.	O
</s>
<s>
A	O
crush	B-Algorithm
artifact	I-Algorithm
is	O
an	O
artificial	O
elongation	O
and	O
distortion	O
seen	O
in	O
histopathology	O
and	O
cytopathology	O
studies	O
,	O
presumably	O
because	O
of	O
iatrogenic	O
compression	O
of	O
tissues	O
.	O
</s>
<s>
Inflammatory	O
and	O
tumor	O
cells	O
are	O
most	O
susceptible	O
to	O
crush	B-Algorithm
artifacts	I-Algorithm
.	O
</s>
<s>
In	O
projectional	O
radiography	O
,	O
visual	B-Algorithm
artifacts	I-Algorithm
that	O
can	O
constitute	O
disease	O
mimics	O
include	O
jewelry	O
,	O
clothes	O
and	O
skin	O
folds	O
.	O
</s>
<s>
In	O
Magnetic	O
resonance	O
imaging	O
,	O
artifacts	B-Algorithm
can	O
be	O
classified	O
as	O
patient-related	O
,	O
signal	O
processing-dependent	O
or	O
hardware	O
(	O
machine	O
)	O
-related	O
.	O
</s>
