<s>
Rational	B-General_Concept
Polynomial	I-General_Concept
Coefficients	I-General_Concept
(	O
RPCs	O
)	O
provide	O
a	O
compact	O
representation	O
of	O
a	O
ground-to-image	O
geometry	O
,	O
allowing	O
photogrammetric	B-Application
processing	O
without	O
requiring	O
a	O
physical	O
camera	O
model	O
,	O
such	O
as	O
the	O
pinhole	B-Algorithm
camera	I-Algorithm
model	I-Algorithm
.	O
</s>
