<s>
Microsoft	O
's	O
SenseCam	B-Device
is	O
a	O
lifelogging	O
camera	O
with	O
fisheye	O
lens	O
and	O
trigger	O
sensors	O
,	O
such	O
as	O
accelerometers	O
,	O
heat	O
sensing	O
,	O
and	O
audio	O
,	O
invented	O
by	O
Lyndsay	O
Williams	O
,	O
patent	O
granted	O
in	O
2009	O
.	O
</s>
<s>
Usually	O
worn	O
around	O
the	O
neck	O
,	O
Sensecam	B-Device
is	O
used	O
for	O
the	O
MyLifeBits	B-Application
project	O
,	O
a	O
lifetime	O
storage	O
database	O
.	O
</s>
<s>
Microsoft	B-Device
Sensecam	I-Device
as	O
well	O
as	O
Mann	O
's	O
earlier	O
sensor	O
cameras	O
,	O
and	O
subsequent	O
similar	O
products	O
like	O
Autographer	B-Device
,	O
Glogger	O
and	O
the	O
Narrative	B-Device
Clip	I-Device
,	O
are	O
all	O
examples	O
of	O
Wearable	B-Operating_System
Computing	I-Operating_System
.	O
</s>
<s>
The	O
Sensecam	B-Device
is	O
also	O
equipped	O
with	O
an	O
accelerometer	O
,	O
which	O
is	O
used	O
to	O
trigger	O
images	O
and	O
can	O
also	O
stabilise	O
images	O
so	O
as	O
to	O
reduce	O
blurriness	O
.	O
</s>
<s>
The	O
SenseCam	B-Device
uses	O
a	O
flash	B-Device
memory	I-Device
which	O
has	O
the	O
means	O
to	O
store	O
upwards	O
of	O
2,000	O
photos	O
per	O
day	O
as	O
.jpg	O
files	O
,	O
though	O
more	O
recent	O
models	O
with	O
larger	O
and	O
faster	O
memory	O
cards	O
mean	O
a	O
wearer	O
typically	O
stores	O
up	O
to	O
4,000	O
images	O
per	O
day	O
.	O
</s>
<s>
An	O
alternative	O
way	O
of	O
viewing	O
images	O
is	O
to	O
have	O
a	O
day	O
's	O
worth	O
of	O
data	O
automatically	O
segmented	O
into	O
'	O
events	O
 '	O
and	O
to	O
use	O
an	O
event-based	O
browser	O
which	O
can	O
view	O
each	O
event	O
(	O
of	O
50	O
,	O
100	O
or	O
more	O
individual	O
SenseCam	B-Device
images	O
)	O
using	O
a	O
keyframe	O
chosen	O
as	O
a	O
representative	O
of	O
that	O
event	O
.	O
</s>
<s>
SenseCams	B-Device
have	O
mostly	O
been	O
used	O
in	O
medical	O
applications	O
,	O
particularly	O
to	O
aid	O
those	O
with	O
poor	O
memory	O
as	O
a	O
result	O
of	O
disease	O
or	O
brain	O
trauma	O
.	O
</s>
<s>
Several	O
studies	O
have	O
been	O
published	O
by	O
Chris	O
Moulin	O
,	O
Aiden	O
R	O
.	O
Doherty	O
and	O
Alan	O
F	O
.	O
Smeaton	O
showing	O
how	O
reviewing	O
one	O
's	O
SenseCam	B-Device
images	O
can	O
lead	O
to	O
what	O
Martin	O
A	O
.	O
Conway	O
,	O
a	O
memory	O
researcher	O
from	O
the	O
University	O
of	O
Leeds	O
,	O
calls	O
"	O
Proustian	O
moments	O
"	O
,	O
characterised	O
as	O
floods	O
of	O
recalled	O
details	O
of	O
some	O
event	O
in	O
the	O
past	O
.	O
</s>
<s>
SenseCams	B-Device
have	O
also	O
been	O
used	O
in	O
lifelogging	O
,	O
and	O
one	O
researcher	O
at	O
Dublin	O
City	O
University	O
,	O
Ireland	O
,	O
has	O
been	O
wearing	O
a	O
SenseCam	B-Device
for	O
most	O
of	O
his	O
waking	O
hours	O
,	O
since	O
2006	O
,	O
and	O
has	O
generated	O
over	O
13	O
million	O
SenseCam	B-Device
images	O
of	O
his	O
life	O
.	O
</s>
<s>
In	O
October	O
2009	O
,	O
SenseCam	B-Device
technology	O
was	O
adopted	O
by	O
Vicon	O
Revue	O
and	O
is	O
now	O
available	O
as	O
a	O
product	O
.	O
</s>
<s>
There	O
is	O
a	O
wiki	O
dedicated	O
to	O
SenseCam	B-Device
technical	O
issues	O
,	O
software	O
,	O
news	O
,	O
and	O
various	O
research	O
activities	O
and	O
publications	O
about	O
,	O
and	O
using	O
,	O
SenseCam	B-Device
.	O
</s>
<s>
SenseCam	B-Device
was	O
first	O
developed	O
to	O
help	O
people	O
with	O
memory	O
loss	O
,	O
but	O
the	O
camera	O
is	O
currently	O
being	O
tested	O
to	O
aid	O
those	O
with	O
serious	O
cognitive	O
memory	O
loss	O
.	O
</s>
<s>
The	O
SenseCam	B-Device
produces	O
images	O
which	O
are	O
very	O
similar	O
to	O
one	O
's	O
memory	O
,	O
particularly	O
episodic	O
memory	O
,	O
which	O
is	O
usually	O
in	O
the	O
form	O
of	O
visual	O
imagery	O
.	O
</s>
<s>
Microsoft	O
Research	O
has	O
also	O
tested	O
internal	O
audio	O
level	O
detection	O
and	O
audio	O
recording	O
for	O
the	O
SenseCam	B-Device
,	O
although	O
there	O
are	O
no	O
plans	O
to	O
build	O
these	O
into	O
the	O
research	O
prototypes	O
at	O
the	O
moment	O
.	O
</s>
<s>
The	O
research	O
team	O
is	O
also	O
exploring	O
the	O
potential	O
of	O
including	O
sensors	O
that	O
will	O
monitor	O
the	O
wearer	O
's	O
heart-rate	O
,	O
body	O
temperature	O
,	O
and	O
other	O
physiological	O
changes	O
along	O
with	O
an	O
electrocardiogram	B-Application
recorder	O
when	O
capturing	O
pictures	O
.	O
</s>
