Pattern Recognition Visual Illusions

Lecture

If you do not know what is shown in these figures, then it is almost impossible to see the figure. However, if you know what is painted, then it is very easy to see the drawing.

What is it?
Answer (select with mouse): Dog in the garden near the flower bed .
(Posted by Ronald James)
What is shown here?
Answer (select with mouse): Five horses against a background of snowy mountains .
What is it?
Answer (select with mouse): LIFT caption .
If you can read this inscription,

you can see what is shown in this picture:
Answer (select with mouse): Jesus Christ .
What is it?
Answer (select with mouse): Horseman .
Go to the monitor on the right side and look at the side of this picture (under people's feet). The level of your eyes should be in the same plane with the monitor screen and at the height of the man’s head in black. The flatter the monitor, the more likely you are to see something interesting.

H.Holbein "Ambasadors", 1533
Answer (scroll with the mouse): You should see a human skull .
An old engraving (Erhard Schon, 1538) depicts a man and a woman on the left and a strange landscape on the right. Is it so?
Look at the picture on the right side of the monitor (the eyes should be on the same plane as the screen). You will see a couple that does more than just kiss.
Left an evil face, and right calm?
Move 3-4 meters away from the monitor and look again.
"Dr. Angry and Mr. Smiles" // Schyns PG, Oliva AJ Cognition, 69, 243-265, 1999
Select the picture with the mouse. Or press Ctrl + A. (Works only in MS IE).

S. Kozlovsky. "Peacemaker"
Two identical faces?
Squint and look again.
Authors: Schyns PG, Oliva AJ, 1999
See only black stripes?
Get away from the monitor and look at the picture again.

Social advertising "Appearance of the Lord", Spanish advertising agency TBWA / Design, 2005.
See the cubes in space? Now get away from the monitor and look at the picture again.

Victor Molev "Einstein". Source: http://www.hiero.ru/2076027
In the picture only monkeys, butterflies and birds?

Victor Molev "Charles Darwin". Source: http://www.hiero.ru/2076411

Victor Molev "Churchill". Source: http://www.hiero.ru/2076609
Pay attention to the reflection of paintings in a metal cylinder.

Source :: http://mightyillusions.blogspot.com/2006/05/cylinder-mirror-optical-illusion.html
Find the baby in the picture
What is it?

Answer (select with mouse): Look at the picture on the side .
Are these just points?

Take a look at the picture from afar and see Marilyn Monroe
What is shown here? Try to guess. You have seen this image hundreds of times.

Answer (select with mouse): This is a map of the south of Europe. Depicted are the Mediterranean, Italy, Spain, Greece, etc.
Find the lion.

Donald Rust "Hidden Lion"
What does a boy dream about looking at a barn?

Donald Rust "Dreams"