<s>
An	O
image	B-Algorithm
trigger	I-Algorithm
initiates	O
the	O
capture	O
of	O
single	O
or	O
multiple	O
frames	O
of	O
a	O
digital	B-Device
camera	I-Device
by	O
analysing	O
the	O
signals	O
of	O
its	O
sensor	O
.	O
</s>
<s>
By	O
using	O
a	O
so-called	O
"	O
image	B-Algorithm
trigger	I-Algorithm
"	O
this	O
task	O
can	O
be	O
done	O
much	O
faster	O
and	O
more	O
accurately	O
,	O
without	O
the	O
cost	O
and	O
effort	O
of	O
additional	O
equipment	O
as	O
in	O
standard	O
methods	O
(	O
for	O
instance	O
,	O
via	O
cable	O
release	O
)	O
.	O
</s>
<s>
The	O
on-board	O
"	O
ImageBLITZ	O
"	O
image	B-Algorithm
trigger	I-Algorithm
uses	O
the	O
live	O
picture	O
of	O
the	O
camera	O
itself	O
as	O
a	O
flexible	O
and	O
accurate	O
sensor	O
,	O
with	O
the	O
result	O
that	O
the	O
process	O
synchronisation	O
takes	O
care	O
of	O
itself	O
.	O
</s>
<s>
By	O
using	O
CMOS	B-Architecture
cameras	I-Architecture
(	O
which	O
provide	O
the	O
information	O
of	O
every	O
single	O
pixel	B-Algorithm
in	O
digitized	O
form	O
)	O
a	O
fast	O
processing	O
of	O
the	O
supplied	O
data	O
is	O
ensured	O
.	O
</s>
<s>
Then	O
the	O
amount	O
of	O
grey	O
level	O
alteration	O
(	O
and	O
its	O
direction	O
from	O
dark	O
to	O
bright	O
or	O
reverse	O
)	O
is	O
set	O
,	O
as	O
well	O
as	O
the	O
minimum	O
number	O
of	O
affected	O
pixels	B-Algorithm
.	O
</s>
