
45-1
Vision is the act of seeing, a human capability derived from the combination of the image-forming
op
tical
sy
stem
of th
e
ey
e,
th
e
ar
ray
of li
ght-sensitive
re
ceptors
in th
e
re
tina
of th
e
ey
e,
an
d
th
e
in
forma-
tion
pr
ocessing
ca
pacity
of th
e
re
tina
an
d
hu
man
br
ain
. Ap
plications
fo
r
in
struments
wi
th
a si
milar
ab
ility
to se
nse
a sc
ene
in
clude
br
oadcast
te
levision,
mo
nitoring
in
dustrial
pr
ocesses,
qu
ality
co
ntrol
du
ring
ma
nufacture,
vi
ewing
in
accessible
or ha
zardous
pl
aces,
aid
ing
me
dical
di
agnosis,
an
d
re
mote
sensing from satellites and space probes, to name but a few. Each application oen has particular
requirements more critical than othe