<s>
IllumiRoom	B-Application
is	O
a	O
Microsoft	O
Research	O
project	O
that	O
augments	B-General_Concept
a	O
television	O
screen	O
with	O
images	O
projected	O
onto	O
the	O
wall	O
and	O
surrounding	O
objects	O
.	O
</s>
<s>
The	O
current	O
proof-of-concept	O
uses	O
a	O
Kinect	B-Algorithm
sensor	O
and	O
video	B-Device
projector	I-Device
.	O
</s>
<s>
The	O
Kinect	B-Algorithm
sensor	O
captures	O
the	O
geometry	O
and	O
colors	O
of	O
the	O
area	O
of	O
the	O
room	O
that	O
surrounds	O
the	O
television	O
,	O
and	O
the	O
projector	O
displays	O
video	O
around	O
the	O
television	O
that	O
corresponds	O
to	O
a	O
video	O
source	O
on	O
the	O
television	O
,	O
such	O
as	O
a	O
video	O
game	O
or	O
movie	O
.	O
</s>
<s>
IllumiRoom	B-Application
was	O
first	O
introduced	O
at	O
the	O
2013	O
Consumer	O
Electronics	O
Show	O
.	O
</s>
<s>
At	O
the	O
show	O
,	O
Microsoft	O
,	O
with	O
Samsung	B-Application
,	O
showed	O
a	O
video	O
presentation	O
of	O
the	O
system	O
.	O
</s>
<s>
The	O
system	O
prototype	O
uses	O
a	O
wide	O
field	O
of	O
view	O
projector	O
and	O
a	O
Kinect	B-Algorithm
for	O
Windows	O
sensor	O
.	O
</s>
<s>
The	O
Kinect	B-Algorithm
captures	O
the	O
color	O
and	O
geometry	O
of	O
the	O
room	O
environment	O
and	O
the	O
projector	O
renders	O
images	O
onto	O
the	O
depth	O
map	O
acquired	O
by	O
the	O
sensor	O
.	O
</s>
<s>
The	O
IllumiRoom	B-Application
concept	O
is	O
based	O
on	O
prior	O
work	O
and	O
research	O
using	O
focus-plus-context	B-General_Concept
screens	I-General_Concept
and	O
projection	B-General_Concept
mapping	I-General_Concept
.	O
</s>
<s>
Microsoft	O
's	O
CHI	O
2013	O
research	O
paper	O
cites	O
Philips	O
 '	O
Ambilight	O
as	O
an	O
example	O
of	O
a	O
focus-plus-context	B-General_Concept
display	I-General_Concept
.	O
</s>
<s>
In	O
the	O
case	O
of	O
IllumiRoom	B-Application
,	O
the	O
television	O
represents	O
the	O
high	O
resolution	O
screen	O
and	O
the	O
surrounding	O
projection	O
is	O
the	O
lower	O
resolution	O
display	O
.	O
</s>
<s>
IllumiRoom	B-Application
combines	O
the	O
focus-plus-context	O
concept	O
with	O
real-time	B-General_Concept
projection	B-General_Concept
mapping	I-General_Concept
.	O
</s>
<s>
The	O
Kinect	B-Algorithm
sensor	O
is	O
used	O
to	O
calibrate	O
the	O
system	O
and	O
projection	O
.	O
</s>
<s>
The	O
projector	O
displays	O
a	O
system	O
of	O
gray	O
patterns	O
and	O
the	O
Kinect	B-Algorithm
camera	O
reads	O
the	O
size	O
of	O
the	O
pattern	O
across	O
the	O
projection	O
in	O
order	O
to	O
map	O
the	O
3D	O
environment	O
.	O
</s>
<s>
Once	O
calibrated	O
,	O
the	O
Kinect	B-Algorithm
sensor	O
is	O
no	O
longer	O
needed	O
for	O
the	O
IllumiRoom	B-Application
system	O
and	O
can	O
be	O
used	O
for	O
gaming	O
.	O
</s>
<s>
IllumiRoom	B-Application
was	O
developed	O
with	O
the	O
open-source	O
first-person	O
shooter	O
Red	B-Application
Eclipse	I-Application
as	O
prototype	O
application	O
.	O
</s>
<s>
RoomAlive	O
,	O
a	O
related	O
Microsoft	O
Research	O
project	O
,	O
also	O
uses	O
a	O
depth	O
camera	O
and	O
video	B-Device
projector	I-Device
in	O
a	O
projector-camera	O
,	O
or	O
"	O
procam	O
"	O
setup	O
.	O
</s>
<s>
It	O
is	O
a	O
scalable	O
system	O
for	O
dynamic	O
,	O
real-time	B-General_Concept
interactive	O
projection	B-General_Concept
mapping	I-General_Concept
in	O
which	O
multiple	O
such	O
procams	O
can	O
be	O
used	O
together	O
in	O
a	O
room	O
to	O
generate	O
an	O
immersive	O
unified	O
projection	B-General_Concept
mapping	I-General_Concept
that	O
is	O
automatically	O
adapted	O
to	O
the	O
room	O
environment	O
,	O
and	O
which	O
users	O
can	O
interact	O
with	O
physically	O
.	O
</s>
<s>
Unlike	O
IllumiRoom	B-Application
,	O
which	O
implements	O
focus-plus-context	O
visual	O
presentation	O
centered	O
on	O
a	O
television	O
screen	O
,	O
RoomAlive	O
focuses	O
on	O
spatial	B-General_Concept
augmented	I-General_Concept
reality	I-General_Concept
applications	O
.	O
</s>
<s>
In	O
April	O
2015	O
,	O
Microsoft	O
released	O
the	O
RoomAlive	O
Toolkit	O
,	O
an	O
open-source	O
MIT	O
licensed	O
software	B-Application
development	I-Application
kit	I-Application
for	O
calibrating	O
a	O
network	O
of	O
video	B-Device
projectors	I-Device
and	O
Kinect	B-Algorithm
sensors	O
,	O
which	O
can	O
be	O
used	O
to	O
develop	O
systems	O
like	O
those	O
of	O
the	O
RoomAlive	O
and	O
IllumiRoom	B-Application
projects	O
.	O
</s>
