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Illusions of depth perception Visual illusions

Lecture



How many cubes are there?
  Illusions of depth perception Visual illusions

Six or seven?


The Necker Cube (1832).

  Illusions of depth perception Visual illusions
Is the blue face in front or behind?

The illusion is named after the Swiss crystallographer Louis Albert Necker (Necker),
who in the middle of the XIX century discovered this illusion.


The staircase Schroeder (1858).

  Illusions of depth perception Visual illusions

Is it a staircase, a niche, or just a gray strip of paper folded in accordion?


How is this cylinder?
  Illusions of depth perception Visual illusions

Right to left or left to right?


  Illusions of depth perception Visual illusions

What is the front part of the ring?


How is the magazine located?
  Illusions of depth perception Visual illusions

Cover to you or vice versa?


  Illusions of depth perception Visual illusions

Is it a small cube in the room or a big cube with a piece of sawn-off?


Cheese illusion.
  Illusions of depth perception Visual illusions
How much cheese is there?


Amazing chessboard.
  Illusions of depth perception Visual illusions


Strange workers.

  Illusions of depth perception Visual illusions


Motor parallax

  Illusions of depth perception Visual illusions

Due to the fact that the circles move at different speeds, an illusion of depth arises.
Compare with a still picture.

  Illusions of depth perception Visual illusions


Due to the motor parallax arises a very strong illusion of depth.

  Illusions of depth perception Visual illusions   Illusions of depth perception Visual illusions

Which of the pictures seems voluminous?

Indian god Shiva. The illusion is realized through parallax (animation of several pictures taken at different angles)


Due to the fact that the "near" elements of the picture are shifted to a greater distance than the "far" there is the effect of depth

  Illusions of depth perception Visual illusions


Another example of this effect. There was a feeling that the picture is three-dimensional?

  Illusions of depth perception Visual illusions


Illusion of Nick Williams (Nik Williams, 1996)

  Illusions of depth perception Visual illusions
This is just a mask of the Egyptian mummy (2-2.5 thousand years BC)

  Illusions of depth perception Visual illusions
This is the same mask, but from the inside.

  Illusions of depth perception Visual illusions
Pay attention to how difficult it is to perceive this image as concave.
The brain unconsciously sees this face as normal.


See the hole in hell?

  Illusions of depth perception Visual illusions

It is simply painted on asphalt.


Painted pit

  Illusions of depth perception Visual illusions


Which artist is real and which one is drawn?

  Illusions of depth perception Visual illusions

More asphalt illusions from Kurt Weimer


What is it?
Square groove or pyramid?

  Illusions of depth perception Visual illusions
Posted by: Dmitry Rakov, 2003

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  Illusions of depth perception Visual illusions
Author:
Dane Feigerholm

Phantasmagorie. Original 3D images created by American photo artist Dain Fagerholm from Seattle. He draws his pictures with pens and markers, and “revives” them with the help of computer processing.

  Illusions of depth perception Visual illusions
Author:
Dane Feigerholm

The girl in the blue room (Girl in Blue Room). Original 3D images created by American photo artist Dain Fagerholm from Seattle. He draws his pictures with pens and markers, and “revives” them with the help of computer processing.

  Illusions of depth perception Visual illusions
Author:
Dane Feigerholm

Monster in the tower. Original 3D images created by American photo artist Dain Fagerholm from Seattle. He draws his pictures with pens and markers, and “revives” them with the help of computer processing.

  Illusions of depth perception Visual illusions
Author:
Dane Feigerholm

Seven dogs (Seven dogs). Original 3D images created by American photo artist Dain Fagerholm from Seattle. He draws his pictures with pens and markers, and “revives” them with the help of computer processing.

  Illusions of depth perception Visual illusions


Animated 3D illusion, from the site UBEO. It is a processing of a charcoal drawing on light gray paper with the name "face", by the artist AshleySpirals.

  Illusions of depth perception Visual illusions

Stereo photo. The illusion is realized through parallax (animation of several pictures of the same object, taken from different angles).

  Illusions of depth perception Visual illusions
Author:
Jamie Beck and Kevin Burg

(Click on the picture to view the effect of photo animation).

Live photos or Cinemagraphs is a collaborative project of photographer Jamie Beck and designer Kevin Burg. The interesting and intriguing atmosphere of these pictures expands the edge of ordinary photography and draws into the world of the photographer.

The idea to use the GIF format to animate a small portion of the photo and to make the picture more animated came to the head of designer Kevin Burgu in 2009 and was widely known for advertising via the Internet and social networks.

Water in zero gravity

  Illusions of depth perception Visual illusions

Movement, transparency, perspective and lighting and we see a three-dimensional body.

  Illusions of depth perception Visual illusions

The girl at the fountain. The illusion is realized through parallax (animation of several pictures taken at different angles)


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