<s>
A	O
Refcam	B-Algorithm
(	O
also	O
known	O
as	O
Referee	B-Algorithm
cam	I-Algorithm
or	O
Umpire	B-Algorithm
cam	I-Algorithm
)	O
is	O
a	O
special	O
type	O
of	O
broadcast	O
point-of-view	O
camera	O
used	O
in	O
sports	O
and	O
worn	O
by	O
a	O
referee	O
or	O
umpire	O
during	O
the	O
game	O
.	O
</s>
<s>
Refcams	B-Algorithm
are	O
being	O
used	O
in	O
various	O
sports	O
like	O
american	B-Application
football	I-Application
,	O
ice	B-Application
hockey	I-Application
,	O
field	O
hockey	O
,	O
baseball	B-Application
and	O
other	O
.	O
</s>
