Depth perception - The University of Reading

!"
#
$
%
&
!
'
##!
####
!'
#
!"
(
%
&!
)##!*
+
,-!"
#!.
%
#
&
)
!'
#
##
!
/
#
#
!0+#
+
##
!"(
#
#!1(1#
2
2
+
#
!
1#
1#!!&"#
!/#
#
!/
$
##
!&&
#
!'#3%&
4(!(!!
#
##
#
5!"
+
#
+
!6+
!
/
!7
#
#
#2
#2
1#(!"
$
#+
##
%
&!/
#
!1
#
#%8!#!*
&
%9!#!:2
#
&
#
%!#!4
2
&!1
##
#
!"
!
/
%
#&
5%
5
&
%
&
#%
&##%
##5&(#
%
&
!0
##
!
#2
+
(
!/##
+
!3
$
#+
!"
(+
#
#!'
##
!/
%&
#!"#
#
(!.
(#
#
#
#
!
'
(
#
!*(
#
#
!1#(
#
!;#
#
#
)
#
)!"
+#
!:#
!3
(
#!
1#
1#!.
!&'
#
#
)+#
&!3
+##
##
&!'
#
)
)+#!
"#
1#
#
#
)!< #
1#
)
!'
+#
+
#
!"
#
#
!
/
!"
!1(+#
##
)1#
!3
+
)
(
+
!"
2
2$(
#
75
#
2
)
2!1
+)
5
+(#+
#(
!'
##
#
#
!
<
#
!0
(
%
(&
#!=
22 !1(
22
#
#
!"
+
1#
##2
#
%
)
#&!6
22
#
+#
!'
#22
+
!"
(
#
#
+#
!
#(
!"
#
%#)
)
&!7
#
!"
+
#
!"
#
#%&
!
6
#
#
2
2
(
#
( ( 5 #( #
!3
!'
2
+
#
##
#!"
#
2
2
!
.%&
1.+
/:
.>!7!6!#
*!!%&2 ! ?
7
#7
@<A
@6!'!B
!%?&"# :#<
7
:#<A
@'!7!6#
.!!%CC8&!!/(<
7
=;+
@'76#
.%&272$'$!>!!"$'7
A!:!6
0!%4&%CC,&
%:#<
7
:#<A
*!%C&&!$!
4!7
#7
@<A
$ '%(?C ?CD
b)
Peep hole
a)
c)
d)
Figure 1 (Glennerster)
a)
b)
c)
Figure 2 (Glennerster)