<s>
A	O
large	O
number	O
of	O
image	O
file	O
formats	O
are	O
available	O
for	O
storing	O
graphical	O
data	O
,	O
and	O
,	O
consequently	O
,	O
there	O
are	O
a	O
number	O
of	O
issues	O
associated	O
with	O
converting	B-General_Concept
from	O
one	O
image	O
format	O
to	O
another	O
,	O
most	O
notably	O
loss	O
of	O
image	O
detail	O
.	O
</s>
<s>
An	O
example	O
of	O
this	O
is	O
Adobe	B-Operating_System
Photoshop	I-Operating_System
's	O
native	O
PSD-format(Prevention of Significant Deterioration )	O
,	O
which	O
cannot	O
be	O
opened	O
in	O
less	O
sophisticated	O
programs	O
for	O
image	O
viewing	O
or	O
editing	O
,	O
such	O
as	O
Microsoft	B-Application
Paint	I-Application
.	O
</s>
<s>
Besides	O
uncompressed	O
formats	O
and	O
lossless	B-Algorithm
compression	I-Algorithm
formats	O
that	O
can	O
usually	O
be	O
interconverted	O
without	O
any	O
loss	O
of	O
detail	O
,	O
there	O
are	O
compressed	O
formats	O
such	O
as	O
JPEG	O
,	O
which	O
lose	O
detail	O
on	O
nearly	O
every	O
compress	O
.	O
</s>
<s>
Like	O
any	O
resampling	B-Algorithm
operation	O
,	O
changing	O
image	O
size	O
and	O
bit	O
depth	O
are	O
lossy	O
in	O
all	O
cases	O
of	O
downsampling	B-Algorithm
,	O
such	O
as	O
30-bit	O
to	O
24-bit	O
or	O
24-bit	O
to	O
8-bit	O
palette-based	O
images	O
.	O
</s>
<s>
While	O
increasing	O
bit	O
depth	O
is	O
usually	O
lossless	B-Algorithm
,	O
increasing	O
image	O
size	O
can	O
introduce	O
aliasing	B-Error_Name
or	O
other	O
undesired	O
artifacts	O
.	O
</s>
<s>
More	O
expensive	O
digital	B-Device
cameras	I-Device
usually	O
offer	O
the	O
option	O
to	O
shoot	O
in	O
Raw	B-Application
image	I-Application
format	I-Application
.	O
</s>
<s>
Data	O
in	O
a	O
RAW-file	O
is	O
structured	O
according	O
to	O
the	O
Bayer	B-Algorithm
filter	I-Algorithm
's	O
pattern	O
in	O
cameras	O
that	O
use	O
a	O
single	O
image	B-Algorithm
sensor	I-Algorithm
.	O
</s>
<s>
Debayering	B-Algorithm
,	O
the	O
process	O
of	O
obtaining	O
bitmap	O
data	O
from	O
a	O
RAW-image	O
is	O
always	O
a	O
lossy	O
operation	O
.	O
</s>
<s>
In	O
addition	O
,	O
some	O
downsampling	B-Algorithm
is	O
always	O
performed	O
,	O
again	O
reducing	O
image	O
information	O
.	O
</s>
