SUGIHARA Kokichi. Professor, Dr. of Engineering (to my Japanese homepage). My illusion ” Ambiguous Garage Roof”. The roof of a garage and its mirror image . Taken from a Japanese toy set inspired by Sugihara’s mathematical explorations, it looks to be a optical illusion arrow kokichi sugihara x. Kokichi Sugihara is a Japanese mathematician, professor, and artist who specializes in 3D printing “impossible objects” to create.

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Sugihara’s research also includes the study of Voronoi diagrams.

This is your brain on tidiness: A mathematician is using computers to manufacture award-winning illusions”Nautilis. Definitive Design View All. Home Exhibitions Log In.

The mathematical structure of this tiling pattern is the same as Escher’s artwork, “Sky and Water I” One of his research areas is computational approaches to kokicih illusions.

Only when it is rotated the eye correctly interprets the size of the central pillar, which is shorter than it seems.

Sugihara calls it an “anomalous mirror symmetry” in a scientific paper.

The Mind-Boggling Illusions of Kokichi Sugihara ¬ęTwistedSifter

The Neural Correlate Society has voted in its picks for the best new illusions that highlight interesting things about perceptionCNET. But not with this one, Sugihara notes: Professor of Mathematical Engineering. Eccentric Ring Toss 2. Stoyan kokicho, Biometrical Journal 36 2: With three co-authors, he wrote Spatial Tessellations: Kokichi Sugihara specializes in the impossible.


This is an example of figure-ground reversal tiling art. This type of incredulous reaction leaves Sugihara amused rather than frustrated. His interest in illusions stems from his research in the s on automating the analysis of perspective drawings, [2] [11] which he published in the MIT Press sugihwra Machine Interpretation of Line Drawings.

How is that possible?

Kokichi Sugihara | Mathematical Art Galleries

When we see sugiyara with one eye from the specific viewpoint, we perceive an object consisting of a vertical column and four perches extending horizontally by mutually right angles. Yet the illusions are so powerful that some have questioned their authenticity: Kokichi Sugihara’s ‘impossible’ objects Updated 15th May Generated by my computer program.

These objects may be mind-boggling, but they are not difficult to craft. Some of Sugihara’s illusions are meant to be seen in motion.

The explanation lies, once again, in the perspective: Then, the impossible motion illusion still occurs. He creates mind-bending physical objects that look and behave in incredible ways when seen from the right angle, such as marbles that roll uphill or circular pipes that look rectangular in a mirror.


The full video shows more shapes, and this video analyzes the objects in detail. Sugihara creates his objects as part of his academic research.


Actually, when we move our eyes horizontally, the UFOs move vertically, and when we move our eyes vertically, the UFOs move horizontally. This is a still picture, but it looks as if the UFOs are moving.

I also feel that mathematics has the power jokichi create what has never existed. Sugihara’s ambiguous objects sugihars a mathematical work of art that uses the physics of optics to show us how our senses and perceptions can be fooled, and yet we can fully understand how the phenomena works,” said in an email Ray Halla professor of physics at California State University, who made the video above using a Japanese toy set which includes objects derived from Sugihara’s studies.

The red square ring passes behind the vertical column, but at the same time passes in front of all the four horizontal perches; thus it kokihci the illusion of an impossible object.