<s>
A	O
three-CCD	B-Algorithm
(	O
3CCD	B-Algorithm
)	O
camera	O
is	O
a	O
camera	O
whose	O
imaging	B-Algorithm
system	I-Algorithm
uses	O
three	O
separate	O
charge-coupled	B-Algorithm
devices	I-Algorithm
(	O
CCDs	O
)	O
,	O
each	O
one	O
receiving	O
filtered	O
red	O
,	O
green	O
,	O
or	O
blue	O
color	O
ranges	O
.	O
</s>
<s>
The	O
system	O
is	O
employed	O
by	O
high	O
quality	O
still	O
cameras	O
,	O
telecine	B-Application
systems	O
,	O
professional	O
video	O
cameras	O
and	O
some	O
prosumer	O
video	O
cameras	O
.	O
</s>
<s>
Compared	O
to	O
cameras	O
with	O
only	O
one	O
CCD	O
,	O
three-CCD	B-Algorithm
cameras	I-Algorithm
generally	O
provide	O
superior	O
image	B-Algorithm
quality	I-Algorithm
by	O
using	O
full-frame	O
dichroic	O
filters	O
to	O
better	O
separate	O
the	O
red	O
,	O
green	O
and	O
blue	O
color	O
bands	O
,	O
and	O
better	O
low-light	O
performance	O
.	O
</s>
<s>
By	O
separating	O
red	O
,	O
green	O
,	O
and	O
blue	O
color	O
ranges	O
with	O
a	O
1:1	O
pixel	O
ratio	O
(	O
known	O
as	O
"	O
4:4:4	O
"	O
)	O
,	O
three-CCD	B-Algorithm
cameras	I-Algorithm
achieve	O
much	O
better	O
precision	O
than	O
single-CCD	O
cameras	O
.	O
</s>
<s>
In	O
contrast	O
,	O
almost	O
all	O
single-CCD	O
cameras	O
use	O
a	O
Bayer	B-Algorithm
filter	I-Algorithm
,	O
using	O
less	O
accurate	O
dye	O
filters	O
in	O
front	O
of	O
each	O
pixel	O
to	O
separate	O
the	O
colors	O
.	O
</s>
<s>
Because	O
each	O
pixel	O
on	O
a	O
single	O
CCD	B-Algorithm
sensor	I-Algorithm
is	O
covered	O
with	O
its	O
own	O
tiny	O
color	O
filter	O
,	O
a	O
frame	O
is	O
necessary	O
to	O
keep	O
the	O
dye	O
filters	O
from	O
leaking	O
into	O
adjacent	O
pixels	O
.	O
</s>
<s>
The	O
result	O
is	O
less	O
light	O
absorbed	O
compared	O
to	O
a	O
CCD	O
without	O
a	O
Bayer	B-Algorithm
filter	I-Algorithm
.	O
</s>
