<s>
In	O
3D	O
computer	O
graphics	O
,	O
the	O
image	B-General_Concept
plane	I-General_Concept
is	O
that	O
plane	O
in	O
the	O
world	O
which	O
is	O
identified	O
with	O
the	O
plane	O
of	O
the	O
display	O
monitor	O
used	O
to	O
view	O
the	O
image	O
that	O
is	O
being	O
rendered	O
.	O
</s>
<s>
If	O
one	O
makes	O
the	O
analogy	O
of	O
taking	O
a	O
photograph	O
to	O
rendering	O
a	O
3D	O
image	O
,	O
the	O
surface	O
of	O
the	O
film	O
is	O
the	O
image	B-General_Concept
plane	I-General_Concept
.	O
</s>
<s>
In	O
this	O
case	O
,	O
the	O
viewing	O
transformation	O
is	O
a	O
projection	B-Algorithm
that	O
maps	O
the	O
world	O
onto	O
the	O
image	B-General_Concept
plane	I-General_Concept
.	O
</s>
<s>
This	O
establishes	O
the	O
mapping	O
between	O
pixels	B-Algorithm
on	O
the	O
monitor	O
and	O
points	O
(	O
or	O
rather	O
,	O
rays	O
)	O
in	O
the	O
3D	O
world	O
.	O
</s>
<s>
In	O
optics	B-Algorithm
,	O
the	O
image	B-General_Concept
plane	I-General_Concept
is	O
the	O
plane	O
that	O
contains	O
the	O
object	O
's	O
projected	O
image	O
,	O
and	O
lies	O
beyond	O
the	O
back	O
focal	O
plane	O
.	O
</s>
