<s>
In	O
digital	B-Application
photography	I-Application
,	O
the	O
CYGM	B-Algorithm
filter	I-Algorithm
is	O
an	O
alternative	O
color	B-Algorithm
filter	I-Algorithm
array	I-Algorithm
to	O
the	O
Bayer	B-Algorithm
filter	I-Algorithm
(	O
GRGB	B-Algorithm
)	O
.	O
</s>
<s>
It	O
similarly	O
uses	O
a	O
mosaic	O
of	O
pixel	O
filters	O
,	O
of	O
cyan	O
,	O
yellow	O
,	O
green	O
and	O
magenta	B-Algorithm
,	O
and	O
so	O
also	O
requires	O
demosaicing	B-Algorithm
to	O
produce	O
a	O
full-color	O
image	O
.	O
</s>
<s>
CYGM	O
gives	O
more	O
accurate	O
luminance	O
information	O
than	O
the	O
Bayer	B-Algorithm
filter	I-Algorithm
,	O
hence	O
a	O
wider	O
dynamic	O
range	O
,	O
but	O
at	O
the	O
expense	O
of	O
color	O
accuracy	O
.	O
</s>
<s>
This	O
is	O
because	O
the	O
cyan	O
and	O
yellow	O
components	O
of	O
the	O
colour	B-Algorithm
filter	I-Algorithm
array	I-Algorithm
do	O
not	O
produce	O
a	O
true	O
monochromatic	O
yellow	O
or	O
cyan	O
but	O
are	O
rather	O
modifications	O
of	O
the	O
filters	O
used	O
to	O
absorb	O
'	O
color	O
 '	O
.	O
</s>
<s>
The	O
CYGM	O
color	B-Algorithm
filter	I-Algorithm
array	I-Algorithm
differs	O
from	O
the	O
standard	O
Bayer	B-Algorithm
filter	I-Algorithm
by	O
using	O
only	O
a	O
single	O
color-absorbing	O
filter	O
for	O
3	O
of	O
the	O
4	O
sensors	O
.	O
</s>
<s>
While	O
'	O
green	O
 '	O
is	O
unaffected	O
,	O
color	O
inaccuracy	O
arises	O
from	O
the	O
fact	O
that	O
the	O
red	O
and	O
blue	O
sensors	O
(	O
as	O
found	O
in	O
the	O
standard	O
Bayer	B-Algorithm
filter	I-Algorithm
)	O
are	O
in	O
effect	O
conflated	O
into	O
'	O
magenta	B-Algorithm
 '	O
and	O
'	O
cyan	O
 '	O
sensors	O
.	O
</s>
<s>
While	O
the	O
CYGM	B-Algorithm
filter	I-Algorithm
found	O
widespread	O
adoption	O
in	O
the	O
early	O
years	O
of	O
digital	B-Application
photography	I-Application
,	O
at	O
the	O
time	O
a	O
rival	O
of	O
the	O
now	O
standard	O
Bayer	B-Algorithm
filter	I-Algorithm
,	O
it	O
is	O
now	O
considered	O
obsolete	O
.	O
</s>
<s>
CCDs	B-Algorithm
that	O
used	O
it	O
include	O
the	O
3	O
megapixel	O
Sony	O
ICX252AK	O
and	O
ICS252AKF	O
(	O
which	O
sampled	O
in	O
October	O
1999	O
.	O
)	O
</s>
<s>
CCDs	B-Algorithm
with	O
a	O
CYGM	O
color	B-Algorithm
filter	I-Algorithm
array	I-Algorithm
were	O
initially	O
adopted	O
by	O
both	O
Canon	O
and	O
Nikon	O
when	O
these	O
companies	O
transitioned	O
from	O
film	O
photography	O
to	O
digital	O
.	O
</s>
<s>
Many	O
Canon	O
models	O
of	O
the	O
1999-2000	O
period	O
,	O
such	O
as	O
the	O
PowerShot	O
S10	O
,	O
the	O
Canon	O
Digital	O
IXUS	O
S100	O
(	O
June	O
2000	O
)	O
,	O
and	O
the	O
Canon	B-Device
PowerShot	I-Device
G1	I-Device
used	O
sensors	O
with	O
this	O
colour	O
filter	O
arrangement	O
.	O
</s>
<s>
Whereas	O
Canon	O
adopted	O
the	O
now	O
standard	O
Bayer	B-Algorithm
filter	I-Algorithm
across	O
its	O
entire	O
range	O
when	O
it	O
introduced	O
the	O
DSLR	B-Device
,	O
Nikon	O
continued	O
to	O
produce	O
and	O
sell	O
a	O
range	O
of	O
mid-range	O
enthusiast	O
digital	O
cameras	O
using	O
CYGM	O
sensors	O
for	O
a	O
period	O
of	O
approximately	O
5	O
years	O
.	O
</s>
<s>
Additionally	O
,	O
Panasonic	O
also	O
used	O
CCDs	B-Algorithm
with	O
a	O
CYGM	B-Algorithm
filter	I-Algorithm
array	O
.	O
</s>
