<s>
Foveated	B-Algorithm
rendering	I-Algorithm
is	O
a	O
rendering	O
technique	O
which	O
uses	O
an	O
eye	B-General_Concept
tracker	I-General_Concept
integrated	O
with	O
a	O
virtual	B-Device
reality	I-Device
headset	I-Device
to	O
reduce	O
the	O
rendering	O
workload	O
by	O
greatly	O
reducing	O
the	O
image	O
quality	O
in	O
the	O
peripheral	O
vision	O
(	O
outside	O
of	O
the	O
zone	O
gazed	O
by	O
the	O
fovea	O
)	O
.	O
</s>
<s>
A	O
less	O
sophisticated	O
variant	O
called	O
fixed	B-Algorithm
foveated	I-Algorithm
rendering	I-Algorithm
does	O
n't	O
utilise	O
eye	B-General_Concept
tracking	I-General_Concept
and	O
instead	O
assumes	O
a	O
fixed	O
focal	O
point	O
.	O
</s>
<s>
Research	O
into	O
foveated	B-Algorithm
rendering	I-Algorithm
dates	O
back	O
at	O
least	O
to	O
1991	O
.	O
</s>
<s>
At	O
Tech	O
Crunch	O
Disrupt	O
SF	O
2014	O
,	O
Fove	B-Device
unveiled	O
a	O
headset	O
featuring	O
foveated	B-Algorithm
rendering	I-Algorithm
.	O
</s>
<s>
At	O
CES	O
2016	O
,	O
SensoMotoric	O
Instruments	O
(	O
SMI	O
)	O
demoed	O
a	O
new	O
250Hz	O
eye	B-General_Concept
tracking	I-General_Concept
system	O
and	O
a	O
working	O
foveated	B-Algorithm
rendering	I-Algorithm
solution	O
.	O
</s>
<s>
In	O
July	O
2016	O
,	O
Nvidia	O
demonstrated	O
during	O
SIGGRAPH	O
a	O
new	O
method	O
of	O
foveated	B-Algorithm
rendering	I-Algorithm
claimed	O
to	O
be	O
invisible	O
to	O
users	O
.	O
</s>
<s>
In	O
February	O
2017	O
,	O
Qualcomm	O
announced	O
their	O
Snapdragon	O
835	O
Virtual	O
Reality	O
Development	B-Application
Kit	I-Application
(	O
VRDK	O
)	O
which	O
includes	O
foveated	B-Algorithm
rendering	I-Algorithm
support	O
called	O
Adreno	O
Foveation	O
.	O
</s>
<s>
During	O
CES	O
2019	O
on	O
January	O
7	O
HTC	B-Application
announced	O
an	O
upcoming	O
virtual	B-Device
reality	I-Device
headset	I-Device
called	O
Vive	O
Pro	O
Eye	O
featuring	O
eye-tracking	B-General_Concept
and	O
support	O
for	O
foveated	B-Algorithm
rendering	I-Algorithm
.	O
</s>
<s>
In	O
December	O
2019	O
,	O
Facebook	B-Application
's	O
Oculus	B-Application
Quest	O
SDK	B-Application
gave	O
developers	O
access	O
to	O
dynamic	O
fixed	B-Algorithm
foveated	I-Algorithm
rendering	I-Algorithm
,	O
allowing	O
the	O
variation	O
in	O
level	O
of	O
detail	O
to	O
be	O
changed	O
on	O
the	O
fly	O
via	O
an	O
API	O
.	O
</s>
<s>
On	O
January	O
4	O
,	O
2022	O
,	O
Sony	O
announced	O
that	O
their	B-Device
follow-up	I-Device
to	O
PlayStation	B-Device
VR	I-Device
will	O
include	O
eye	B-General_Concept
tracking	I-General_Concept
and	O
foveated	B-Algorithm
rendering	I-Algorithm
.	O
</s>
<s>
According	O
to	O
chief	O
scientist	O
Michael	O
Abrash	O
at	O
Oculus	B-Application
,	O
utilising	O
foveated	B-Algorithm
rendering	I-Algorithm
in	O
conjunction	O
with	O
sparse	O
rendering	O
and	O
deep	B-Algorithm
learning	I-Algorithm
image	O
reconstruction	O
has	O
the	O
potential	O
to	O
require	O
an	O
order	O
of	O
magnitude	O
fewer	O
pixels	O
to	O
be	O
rendered	O
in	O
comparison	O
to	O
a	O
full	O
image	O
.	O
</s>
