Optical Illusions 1
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Transcript of Optical Illusions 1
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PTICALILLUSI NS
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http://upload.wikimedia.org/wikipedia/commons/6/60/Grey_square_optical_illusion.PNG -
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Are the two circles the same colour?
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Which part of the picture is darker left or right side?
http://upload.wikimedia.org/wikipedia/commons/1/18/Cornsweet_illusion.svg -
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http://upload.wikimedia.org/wikipedia/commons/1/18/Cornsweet_illusion.svg -
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What do ou see?
http://upload.wikimedia.org/wikipedia/commons/5/55/Kanizsa_triangle.svghttp://upload.wikimedia.org/wikipedia/commons/5/55/Kanizsa_triangle.svg -
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Do ou see
a !floating triangle"?
http://upload.wikimedia.org/wikipedia/commons/5/55/Kanizsa_triangle.svghttp://upload.wikimedia.org/wikipedia/commons/5/55/Kanizsa_triangle.svghttp://upload.wikimedia.org/wikipedia/commons/5/55/Kanizsa_triangle.svg -
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Are the lines
parallel?
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#otall straight lines?
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Which is larger the left or right hand card?
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#he $%&((A#&) )*&D black dots appear at random intersections
+ocus on a single intersection, the dot does not appear
#he dots disappear if ou are too close or too far from the image
http://upload.wikimedia.org/wikipedia/commons/d/dc/Grid_illusion.svg -
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-ove our head
back and
forward
What happens
to thecircles?
http://en.wikipedia.org/wiki/Image:Revolving_circles.svg -
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+ocus on .ust
the centre circle
while moving
our head
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/ow man
circles
can ou see?
Did ou see the
01 circles?
http://bp1.blogger.com/_nlB2iavXqvs/RgEXMEXSMaI/AAAAAAAAAp8/8eciqx__eJk/s1600-h/Coffer+Illusion.jpg -
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&f our ees follow the
movement of the
rotating pink dot,
the dots will remainonl one color, pink
/owever if ou stare
at the black 2 32 in the
center, the moving
dots turns to green
ow, concentrate on
the black 2 3 2 in the
center of the picture
After a short period,
all the pink dots willslowl disappear, and
ou will onl see onl
a single green dot
rotating
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What do ou see?
Duck or rabbit or both?
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/ow man legs does the elephant have?
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4ne face?
4r two profiles facing each other?
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(ook at the wildlife painting of a Bengal tiger
%an ou find the hidden tiger in the picture?
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5the hidden tiger6 is written in the tiger
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Whose face do ou see?
At normal screen viewing
distance ou should see
the face of the scientist
Albert 7instein
#ake a few steps back
from the image and-arlin -onroe
appears
http://bp1.blogger.com/_nlB2iavXqvs/RiOMDfNn2II/AAAAAAAAAz0/FgulLBDdB5o/s1600-h/MonroeEnstein_AudeOliva2007.jpg -
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Dr Angr and -r %alm88
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#he 2illusion2 is that this is .ust a picture of coffee beans9 but it is not
%an ou find a man's face among the beans?
&f ou find the face in : seconds or less, the right half of our brain ma be
more well developed than most
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What do ou see?
&n black ou can read the word )44D9
but the word 7;&( also appears in white letters inside each black
letter
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What word can ou see?
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What do ou see?
$&4
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What do ou see?
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What do ou see?
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*ead what the sign sas
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*ead what the sign sas
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(ook at the chart and sa the colour
black blue green orange purple ellow
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(ook at the chart and sa the colour and 4# the word8
black blue green orange purple ellow
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%ount the people in the picture below
After the shift, count them again8
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/ow man deer can ou see in the picture?ust the one?
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/ow man horses can ou
see in the picture?
$ome people see , some1 and some even see C8
What do ou see in this picture?
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What do ou see in this picture?
%an ou see the bab?
http://bp0.blogger.com/_nlB2iavXqvs/Rdw5z5WzsPI/AAAAAAAAAfQ/HgPDRZz_6_Q/s1600-h/baby-in-picture.jpg -
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What do ou see?
#r blinking quickl8
http://bp0.blogger.com/_J_FabKwqDxE/Rufo17e4GhI/AAAAAAAABkE/54tTYy-5kUI/s1600-h/Amazing+Blink+Fast+Illusion.jpg -
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#his is called an 2impossible ob.ect,2 which means that
it's impossible to build
But drawing it is not impossible, as ou see in the image
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=erpetuall ascending staircase
how can the man go up all the time
and come back to the same place over and over?
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&-=4$$&B(7 $#A&*$
http://bp2.blogger.com/_nlB2iavXqvs/RjitwQ1zM3I/AAAAAAAAA28/3Zn3x8bF6qw/s1600-h/escher_relativity.jpg -
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http://i51.photobucket.com/albums/f374/santosh111/illusion%20images/3d-Dinosaur.gif -
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http://i51.photobucket.com/albums/f374/santosh111/illusion%20images/3d-Dinosaur.gif -
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D&)A(B>-=$
http://bp0.blogger.com/_nlB2iavXqvs/RxN5bw3AP5I/AAAAAAAABYA/IgOFllyFKD0/s1600-h/Moving+Heart+illusion.jpg -
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-4;&) /7A*#
http://bp0.blogger.com/_nlB2iavXqvs/RxN5bw3AP5I/AAAAAAAABYA/IgOFllyFKD0/s1600-h/Moving+Heart+illusion.jpg -
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0 length of rope
or ?
http://bp2.blogger.com/_nlB2iavXqvs/RyiTk4EtaLI/AAAAAAAABaY/JRKybcjPcFE/s1600-h/Tricky+Circle+Illusion.jpg -
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>se the ne@t two slides
$lide 0
$tare at the black spot in the centre of the four coloured
squares for about :F seconds
$lide
(ook at the ne@t slide and stare at the black spot in the
uniform white area
ote the colors of the afterimages relative to the colors of
the original stimuli
Did the appear different?
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#wo elderl faces or a larger scene?
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#wo elderl faces, or a larger scene?
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ulian Beever creates pavement art
-an of his creations are optical
illusions, such as this one, where heappears to be perched on a ledge,
waiting for Batman and *obin to
climb the building and rescue him
&n realit, there is .ust pavement in
front of him the rest is a 'trick theee'
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%an ou see the $hark in the picture above
#he trick is not to focus directl on the image but
tr to focus on a point through the image
With a bit of patience and rela@ation ou %A do it
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What can ou see in the picture above?
*emember the trick is not to focus directl on the image but
tr to focus on a point through the image
With a bit of patience and rela@ation ou %A do it
And one final -A)&% 7
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What can ou see in the picture above?
#7$# +4* %4(4>*
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B(&D7$$
*
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B(&D7$$
&f ou did not see the number
ou have some degree of
colour blindness8
0 in 0F bos probabl won"t be able to see the number
#7$# +4* %4(4>*
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B(&D7$$
Did ou see the number 1?
ust the number ?
ust the number 1?o number at all?