<s>
In	O
geometric	O
data	O
analysis	O
and	O
statistical	O
shape	O
analysis	O
,	O
principal	B-Algorithm
geodesic	I-Algorithm
analysis	I-Algorithm
is	O
a	O
generalization	O
of	O
principal	B-Application
component	I-Application
analysis	I-Application
to	O
a	O
non-Euclidean	O
,	O
non-linear	O
setting	O
of	O
manifolds	B-Architecture
suitable	O
for	O
use	O
with	O
shape	O
descriptors	O
such	O
as	O
medial	O
representations	O
.	O
</s>
