Posted on February 10, 2010 by Puzzles
![Never-Ending-Staricase-1-Optical-Illusion[1]](http://opticalillusion.files.wordpress.com/2010/01/never-ending-staricase-1-optical-illusion1.jpg?w=468&h=332)
![Never-Ending-Staricase-2-Optical-Illusion[1]](http://opticalillusion.files.wordpress.com/2010/01/never-ending-staricase-2-optical-illusion1.jpg?w=468&h=331)
Great realistic photo-shopped optical illusions. Impossible structures are often posted to this blog, and they usually appear in two separate forms: either as real camera shots (made under proper angle, with no digital manipulation involved) or they are simply painted and don’t exist in real-life. This version is something in between. I can’t recall we had such a realistic digitally manipulated photos in the past.
Here link to one of his tutorials, where you can see in details how you can create a Never Ending Staircase yourself.
Filed under: 3D illusion, Escher | Leave a Comment »
Posted on January 30, 2010 by Puzzles
Posted on January 10, 2010 by Puzzles
![ice-cream[1]](http://opticalillusion.files.wordpress.com/2010/01/ice-cream1.jpg?w=350&h=500)
In this image you see a black woman´s butt or an ice cream ?
Filed under: ads, irreal images, photos | Leave a Comment »
Posted on December 30, 2009 by Puzzles
Posted on November 20, 2009 by Puzzles

Emergence of images refers to the unique human ability to aggregate information from seemingly meaningless pieces, and to perceive a whole that is meaningful. This special skill of humans can constitute an effective scheme to tell humans and machines apart. This paper presents a synthesis technique to generate images of 3D objects that are detectable by humans, but difficult for an automatic algorithm to recognize. The technique allows generating an infinite number of images with emerging figures. Our algorithm is designed so that locally the synthesized images divulge little useful information or cues to assist any segmentation or recognition procedure. Therefore, as we demonstrate, computer vision algorithms are incapable of effectively processing such images. However, when a human observer is presented with an emergence image, synthesized using an object she is familiar with, the figure emerges when observed as a whole. We can control the difficulty level of perceiving the emergence effect through a limited set of parameters. A procedure that synthesizes emergence images can be an effective tool for exploring and understanding the factors affecting computer vision techniques.
Filed under: 3D illusion, curious, optical illusion | Leave a Comment »
Posted on November 8, 2009 by Puzzles
![imageseyes_20in_20the_20back_20of_20head[1] imageseyes_20in_20the_20back_20of_20head[1]](http://opticalillusion.files.wordpress.com/2009/11/imageseyes_20in_20the_20back_20of_20head1.jpg?w=278&h=370)
![imageseyes3[1] imageseyes3[1]](http://opticalillusion.files.wordpress.com/2009/11/imageseyes31.jpg?w=283&h=151)
You can call these people “four eyes” and get away with it.
Filed under: body art | Leave a Comment »
Posted on October 31, 2009 by Puzzles
A professional street painter, Tracy Lee Stum, best known for her 3D street paintings, also called anamorphic or pavement chalk art.
“3D Anamorphic Street Paintings are illusionary 2-dimensional images that appear to become 3-dimensional when viewed from a fixed point through a camera lens. Tracy has been creating these types of chalk art images since she first started street painting and continues to challenge herself through this manner of visual expression.”



Filed under: 3D illusion, anamorphism, artists | Leave a Comment »
Posted on October 20, 2009 by Puzzles
![bent-gray-lines[1] bent-gray-lines[1]](http://opticalillusion.files.wordpress.com/2009/10/bent-gray-lines1.jpg?w=468&h=449)
Even though most of the optical illusions may look exactly the same, I never posted the exact same image twice (except unknowingly). For those of you who still don’t get what so special about the picture below, well it’s just that all of the lines in it are perfectly straight and parallel to each other. I think this is one of the best examples to show the Bent Effect. Agree?
Filed under: deformed geometrics | Leave a Comment »
Posted on October 14, 2009 by Puzzles
Posted on September 26, 2009 by Puzzles