Ambiguous or reversible figures 5
since October 10, 2011
"Forest area"
Colored triangles of various sizes are observed.
Copyright Akiyoshi Kitaoka 2012 (May 22)
"Mountains"
Greenish triangles of various sizes are observed. White inverted triangles of various sizes are also observed. In addition, there are two stereoscopic appearances.
Copyright Akiyoshi Kitaoka 2012 (May 22)
"Merry Christmas 2011"
For "Merry", one appearance is a view from the upper-right, while the other is a view from the lower-left. For "Christmas!", one appearance is a view from the upper-left, while the other is a view from the lower-right.
Copyright Akiyoshi Kitaoka 2011 (December 21)
"Merry Christmas 2011 #2"
"Merry" and "Christmas!" are hidden.
Copyright Akiyoshi Kitaoka 2011 (December 23)
"Three-fold reversible image"
Sixteen squares of the pattern A in the image below are observed. Or, twelve diamonds of the horizontal pattern B are perceived in front of the background of a vertical stripe. Or, twelve diamonds of the vertical pattern C are perceived in front of the background of a horizontal stripe.
Copyright Akiyoshi Kitaoka 2011 (December 23)
"A silhouette illusion fan"
A rotating fan appears to head for us or away from us. This movie has been created for fans of the silhouette illusion.
silhouetteillusionfan.swf
(Flash file)
Copyright Akiyoshi Kitaoka 2011 (December 14)
cf.
Silhouette illusion (Kayahara's original)
Sinsteden's windmill
Boring, E. G. (1942) Sensation and Perception in the History of Experimental Psychology (Century Psychology Series). New York: D. Appleton-Century. (p. 270)
GIF version
JPEG版
cf.
Copyright Akiyoshi Kitaoka 2011 (December 17)
"A silhouette illusion fan 2"
A rotating fan appears to head for us or away from us. This movie has been created for fans of the silhouette illusion.
silhouetteillusionfan2.swf
(Flash file)
Copyright Akiyoshi Kitaoka 2011 (December 14)
cf. Silhouette illusion (Kayahara's original)
GIF animation version
JPEG version
<modified from Corel Clipart>
"Helicopter"
One appearance is that a helicopter lands, seen from the left-in-front. The other appearance is that a helicopter flies away, seen from the left-behind.
Copyright Akiyoshi Kitaoka 2011 (December 17)
"Duck and rabbit"
Copyright Akiyoshi Kitaoka 2011 (November 17)
photo from AY, Yamaguchi prefecture, Japan
"Convex-concave reversible image"
Purple squares appear to be convex toward observers for one time, while yellowish-green squares do so for the other time.
Copyright Akiyoshi Kitaoka 2011 (November 2)
"Apparent reversal of a hand"
The hand in the left image appears to be her left hand while that in the right image to be her right one, though they are the same in shape.
Copyright Akiyoshi Kitaoka 2011 (October 30)
"Asymmetrical vase-face illusion"
Copyright Akiyoshi Kitaoka 2011 (October 10)
Ambiguous or reversible figures 4
Ambiguous or reversible figures 3
Ambiguous or reversible figures 2
Ambiguous or reversible figures