<s>
In	O
computer	O
science	O
,	O
Orfeo	B-Language
Toolbox	I-Language
(	O
OTB	O
)	O
is	O
a	O
software	B-Library
library	I-Library
for	O
processing	O
images	O
from	O
Earth	O
observation	O
satellites	O
.	O
</s>
<s>
The	O
software	O
is	O
released	O
under	O
a	O
free	B-License
licence	I-License
;	O
a	O
number	O
of	O
contributors	O
outside	O
CNES	O
are	O
taking	O
part	O
in	O
development	O
and	O
integrating	O
into	O
other	O
projects	O
.	O
</s>
<s>
The	O
library	B-Library
was	O
originally	O
targeted	O
at	O
high	B-Algorithm
resolution	I-Algorithm
images	O
acquired	O
by	O
the	O
Orfeo	O
constellation	O
:	O
Pléiades	O
and	O
Cosmo-Skymed	O
,	O
but	O
it	O
also	O
handles	O
other	O
sensors	O
.	O
</s>
<s>
Visualization	B-Application
:	O
a	O
flexible	O
visualization	B-Application
system	O
,	O
customizable	O
via	O
plugins	B-Application
;	O
</s>
<s>
OTB	O
is	O
a	O
C++	B-Language
library	B-Library
,	O
based	O
on	O
Insight	B-Language
toolkit	I-Language
(	O
ITK	B-Language
)	O
.	O
</s>
<s>
Bindings	O
are	O
developed	O
for	O
Python	B-Language
.	O
</s>
<s>
A	O
method	O
to	O
use	O
OTB	O
components	O
within	O
IDL/ENVI	O
has	O
been	O
published	O
.	O
</s>
<s>
One	O
of	O
the	O
OTB	O
user	O
defined	O
a	O
procedure	O
to	O
use	O
the	O
library	B-Library
capabilities	O
from	O
MATLAB	B-Language
.	O
</s>
<s>
Since	O
late	O
2009	O
,	O
some	O
modules	O
are	O
developed	O
as	O
processing	O
plugins	B-Application
for	O
QGIS	B-Application
.	O
</s>
<s>
Modules	O
for	O
classification	O
,	O
segmentation	B-Algorithm
,	O
hill	O
shading	O
have	O
provided	O
.	O
</s>
<s>
OTB	O
algorithms	O
are	O
now	O
available	O
in	O
QGIS	B-Application
through	O
the	O
processing	O
framework	O
Sextante	O
.	O
</s>
<s>
Additionally	O
to	O
the	O
library	B-Library
,	O
several	O
applications	O
with	O
GUI	O
are	O
distributed	O
.	O
</s>
<s>
These	O
application	O
enable	O
interactive	O
segmentation	B-Algorithm
,	O
orthorectification	B-General_Concept
,	O
classification	O
,	O
image	O
registration	O
,	O
etc	O
...	O
</s>
<s>
It	O
supports	O
raster	O
and	O
vector	B-Data_Structure
data	I-Data_Structure
and	O
integrates	O
most	O
of	O
the	O
already	O
existing	O
OTB	O
applications	O
.	O
</s>
<s>
The	O
architecture	O
takes	O
advantage	O
of	O
the	O
streaming	O
and	O
multi-threading	B-Operating_System
capabilities	O
of	O
the	O
OTB	O
pipeline	O
.	O
</s>
<s>
OTB	O
was	O
initially	O
distributed	O
under	O
the	O
French	O
Open	O
Source	O
license	O
CeCILL	B-License
(	O
similar	O
and	O
compatible	O
with	O
the	O
GNU	B-License
GPL	I-License
)	O
and	O
is	O
now	O
available	O
under	O
the	O
Apache	B-Application
2.0	I-Application
license	I-Application
.	O
</s>
<s>
According	O
to	O
statistics	O
on	O
Open	B-Application
Hub	I-Application
,	O
there	O
is	O
a	O
total	O
of	O
83	O
contributors	O
and	O
almost	O
925,000	O
lines	O
of	O
code	O
(	O
this	O
include	O
many	O
libraries	O
upon	O
which	O
OTB	O
is	O
built	O
)	O
.	O
</s>
