<s>
The	O
NASA	O
Ames	B-Application
Stereo	I-Application
Pipeline	I-Application
(	O
ASP	O
)	O
is	O
an	O
open-source	B-Application
software	I-Application
package	O
for	O
photogrammetry	B-Application
.	O
</s>
<s>
It	O
can	O
create	O
digital	B-Application
elevation	I-Application
models	I-Application
and	O
ortho	B-General_Concept
images	I-General_Concept
from	O
stereo	B-Algorithm
planetary	O
data	O
acquired	O
with	O
NASA	O
spacecraft	O
,	O
including	O
for	O
the	O
Moon	O
,	O
Mars	O
,	O
and	O
all	O
other	O
bodies	O
with	O
a	O
solid	O
surface	O
,	O
and	O
also	O
from	O
commercial	O
Earth-orbiting	O
satellites	O
,	O
such	O
as	O
Digital	O
Globe	O
and	O
any	O
vendors	O
who	O
support	O
the	O
RPC	B-General_Concept
camera	O
model	O
,	O
e.g.	O
,	O
Pléiades	O
and	O
Cartosat	O
.	O
</s>
<s>
For	O
stereo	B-Algorithm
correlation	O
ASP	O
uses	O
block-matching	B-General_Concept
and	O
semi-global	B-General_Concept
matching	I-General_Concept
.	O
</s>
<s>
ASP	O
also	O
provides	O
tools	O
for	O
correcting	O
the	O
input	O
camera	O
poses	O
using	O
bundle	B-General_Concept
adjustment	I-General_Concept
,	O
registration	O
of	O
obtained	O
terrain	O
models	O
using	O
iterative	B-General_Concept
closest	I-General_Concept
point	I-General_Concept
,	O
and	O
a	O
tool	O
for	O
refining	O
a	O
3D	O
terrain	O
model	O
with	O
shape	B-Algorithm
from	I-Algorithm
shading	I-Algorithm
.	O
</s>
<s>
ASP	O
integrates	O
the	O
ISIS	B-Application
software	O
for	O
processing	O
planetary	O
data	O
.	O
</s>
