<s>
An	O
N-jet	B-Algorithm
is	O
the	O
set	O
of	O
(	O
partial	O
)	O
derivatives	O
of	O
a	O
function	O
up	O
to	O
orderN	O
.	O
</s>
<s>
Specifically	O
,	O
in	O
the	O
area	O
of	O
computer	B-Application
vision	I-Application
,	O
the	O
N-jet	B-Algorithm
is	O
usually	O
computed	O
from	O
a	O
scale	B-Algorithm
space	I-Algorithm
representation	I-Algorithm
of	O
the	O
input	O
image	O
,	O
and	O
the	O
partial	O
derivatives	O
of	O
are	O
used	O
as	O
a	O
basis	O
for	O
expressing	O
various	O
types	O
of	O
visual	O
modules	O
.	O
</s>
<s>
For	O
example	O
,	O
algorithms	O
for	O
tasks	O
such	O
as	O
feature	O
detection	O
,	O
feature	O
classification	O
,	O
stereo	O
matching	O
,	O
tracking	O
and	O
object	O
recognition	O
can	O
be	O
expressed	O
in	O
terms	O
of	O
N-jets	B-Algorithm
computed	O
at	O
one	O
or	O
several	O
scales	O
in	O
scale	B-Algorithm
space	I-Algorithm
.	O
</s>
