
63-6 Medical, Biomedical, and Health
63.3 Wearable Sensor–Based Activity Recognition
WSAR occurred with the development of wearable computing. e goal is to create personal applica-
tions
th
at
ca
n
ad
apt
an
d
re
act
to th
e
us
er’s
cu
rrent
co
ntext
. e sc
ope
of co
ntext
is di
verse
an
d,
in
WS
AR,
r
efers
to t
he
c
urrent
a
ctivity
i
nformation
.
Un
like
VS
AR,
WS
AR
re
quires
mo
re
fr
om
th
e
se
nsors;
th
erefore,
it is a ne
wer
te
chnology,
on
ly
da
t-
ing
ba
ck
to th
e
19
90s,
wh
en
ha
rdware
(i
ncluding
se
nsing,
di
splay,
an
d
co
mputing
eq
uipment)
be
came
li
ghtweight
en
ough
th
at
an in
tegrated
mo
bile
sy
stem
co
uld
be “wo
rn”
by a sin
gle
pe
rson
fo
r
an ex
tended
pe
riod
of ti
me
. Wit
h