Have you heard of Anamorphosis? Back before there were digital pixels, artists used forced perspective techniques to make the subjects of their paintings jump out of the frame. Generally optical tricks that were used in paintings are called Trompe-l’œil. One subset of Trompe-l’œil is Anamorphosis, which uses perspective projection tricks to make an image appear 3D from exactly one location. You may have seen street chalk drawings demonstrating anamorphosis. When you stand in exactly the right location, you see a 3D image. But if you move slightly in any direction, the illusion is lost.
We stumbled across some awesome street anamorphosis paintings by the artist Pejac. Check out his awesome Instagram account. He went around Istanbul (not Constantinople) creating optical illusions wherever he went.
Other examples… we recently featured a cool example of a mechanically rotating anamorphosis by Craig Winslow.
Often in academia of projection mapping (spatial augmented reality) this is often called view dependent projection. It is essentially doing the same thing as anamorphosis, just at 60 frames per second. <geek>Technically it simply involves projectively texturing the scene from the viewer’s perspective onto the geometry of the display surface, then rendering the scene from the projector’s point of view</geek>. The .gif below shows some footage from Mano-A-Mano / RoomAlive.
What are your favorite examples of anamorphosis?