Optical Illusions
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aahhaha... train ur eyes for better vison la! *kok*Originally posted by 798:see until eyes pain!
me rather like to see bikini gals lah!
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Ladybugs
The background checkerboard consists of only squares but appears to bulge out.
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Corrugated transparent film
The yellow checkerboard consists of only squares but appears to be corrugated.
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A barnacle
The image consists of only squares but appears to bulge out.
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Chiyogami*
The image appears to wave.
* Japanese paper with colored figures
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Coffee beans
Coffee beans are the same circles but appear to be distorted in shape.
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Shaman #2
The red lines appear to tilt though they are actually vertical.
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Akiyoshi's folder tilt illusion
The names of folders appear to tilt counterclockwise.
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Circles
The central circle appears to be slightly smaller than the flanks but they are identical in size.
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Cocoons
Although the width of each rectangle is the same as the gap between two adjacent rectangles, the former appears to be shorter than the latter. In addition, the ellipses or rectangles appear to move horizontally.
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The shortening bar illusion
The two black bars are identical in size but the left one appears to be shorter than the right one.
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Sasaki's modification of the Bourdon illusion
The left image shows that the top-left sides of the two black triangles are actually aligned but appear to be convex toward top-left, while the right image does not show this illusion or possibly gives the reversal.
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The Lipps illusion of curvature of uzumaki ampan*
* Uzumaki ampan means pieces of bread including anko (sweet food)
Each top of the upper row as well as each bottom of the lower row are linearly aligned but appear to curve inward (Lipps illusion of curvature). Concentric circles appear to be a spiral (spiral illusion). In addition, weak rotating illusion is also included.
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The orthogonal Zollner illusion
The black verticals or horizontals appear to be distorted.
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A tilt
The circles are actually aligned horizontally, but appear to tilt down to the right.
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Strange appearance
The two rings are concentric but appear to be strange. Two types of anomalous motion illusions also contribute to this appearance.
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Half circles
The two half circles are the same size but appear to be different from each other in shape.
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Compression
Circles appear to change their sizes though they are identical. In addition, a small, black dot sparkles in each circle.
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Yneglasses
The left Y-junctions appear to lie higher than the right counterparts though they are horizontally aligned. This is a variation of the Müller-Lyer illusion.
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Cigarettes
Each of the straight cigarettes appears to bend inwards.
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S-Z illusion
The horizontal parts of letter Ss appear to tilt clockwise while those of letter Zs appear to tilt counterclockwise. This is the Zöllner illusion.
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Blue stones and boiled eggs
Blue ellipses and yellow ones are identical in size, but the top-left one and the bottom-right one appear to be larger than the others.
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Fruits
Horizontally aligned fruits appear to tilt. In addition, they appear to move.
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Noshi*
* a kind of decoration for celebration
Inner gold squares appear to tilt counterclockwise.
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This type of single image stereogram has a hidden image within it. Thus, the name. All the Hidden Image Stereograms in this 3D Art Gallery are set up for parallel-viewing
