<s>
A	O
gigapixel	B-Algorithm
image	I-Algorithm
is	O
a	O
digital	B-Algorithm
image	I-Algorithm
bitmap	O
composed	O
of	O
one	O
billion	O
(	O
109	O
)	O
pixels	B-Algorithm
(	O
picture	B-Algorithm
elements	I-Algorithm
)	O
,	O
1000	O
times	O
the	O
information	O
captured	O
by	O
a	O
1	O
megapixel	O
digital	B-Device
camera	I-Device
.	O
</s>
<s>
A	O
square	O
image	O
of	O
31,623	O
pixels	B-Algorithm
in	O
width	O
and	O
height	O
is	O
one	O
gigapixel	B-Algorithm
.	O
</s>
<s>
Current	O
technology	O
for	O
creating	O
such	O
very	O
high-resolution	B-Algorithm
images	O
usually	O
involves	O
either	O
making	O
digital	B-Algorithm
image	I-Algorithm
mosaics	O
of	O
many	O
high-resolution	B-Algorithm
digital	O
photographs	O
or	O
using	O
a	O
film	O
negative	O
as	O
large	O
as	O
12	O
"	O
×	O
9	O
"	O
(	O
30cm	O
×	O
23cm	O
)	O
up	O
to	O
18	O
"	O
×	O
9	O
"	O
(	O
46cm	O
×	O
23cm	O
)	O
,	O
which	O
is	O
then	O
scanned	O
with	O
a	O
high-end	O
large-format	O
film	B-Device
scanner	I-Device
with	O
at	O
least	O
3000	O
dpi	O
resolution	O
.	O
</s>
<s>
Only	O
a	O
few	O
cameras	O
are	O
capable	O
of	O
creating	O
a	O
gigapixel	B-Algorithm
image	I-Algorithm
in	O
a	O
single	O
sweep	O
of	O
a	O
scene	O
,	O
such	O
as	O
the	O
Pan-STARRS	O
PS1	O
and	O
the	O
Gigapxl	B-Algorithm
Camera	I-Algorithm
.	O
</s>
<s>
A	O
gigamacro	B-Algorithm
image	O
is	O
a	O
gigapixel	B-Algorithm
image	I-Algorithm
which	O
is	O
a	O
close-up	O
or	O
macro	O
image	O
.	O
</s>
<s>
A	O
terapixel	B-Algorithm
image	I-Algorithm
is	O
an	O
image	O
composed	O
of	O
one	O
trillion	O
(	O
1012	O
)	O
pixels	B-Algorithm
.	O
</s>
<s>
In	O
2015	O
the	O
'	O
Terabite	O
 '	O
,	O
the	O
world	O
's	O
first	O
terapixel	O
macro	O
image	O
,	O
was	O
released	O
by	O
GIGAmacro	B-Algorithm
.	O
</s>
