At first glance I do not really understand, but trick art that shows hidden painting when doing something

At first sight I do not know exactly what is being drawn, but I kindly thought Istvan Orosz, a Hungarian illustrator, can understand the meaning as soon as I do something, using a kind of ridiculous techniqueTrick artis.

Details are as below.Anamorphic Drawings: Hidden Images Revealed

I tried installing a reflecting columnar device in a picture that I do not know well what seemingly is drawn.


A realistic human finger emerged.


I thought that it was a work depicting a person working something ... ...


A beard male appeared. This manEdgar Allan Poeis.


It is a picture of a person holding something in autumn leaves ... ...


Just place the device, you can see the appearance of the man.


This is also a beard male.


This abstract painting was a human foot.


It seems like a work depicting a mountain ... ...


The figure of men.


It can be imagined that it is a building before putting the equipment, but there are not many people who can imagine what kind of shape actually will be.


It seems to me that this is something "human eyes".


Somewhere Asian style paintings become a pillar of European style.


Is this a cow?


The face of a man that is quite realistic,Mauritz Escher.


A pattern emerges in the device hung from above, a different kind.


These pictures are not familiar words in Japan, but they are said to be called "anamorphic drawing". I'm surprised by the fact that I draw a picture on a plane while drawing a picture on a plane, but I am amazed at the technological capabilities that make it possible.