Tricking Your Brain To See a Movie in 3-D

This just ended up being painful on my eyes.

The video on the right is playing one frame ahead of the video on the left, which apparently tricks your brain into thinking it’s seeing a slightly different angle in each eye – like normal (binocular) vision. I believe this is a type of stereogram, like those Magic Eye images from the 1990s. I think it’s interesting because the original video was shot with a normal digital camera from a single angle.

(via Kottke)

2 Comments

  1. Cool link! There’s also other (easier) ways of doing this:

    Get an old pair of sunglasses glasses and pop out the lens in one eye, then watch some TV/Movie with a lot of horizontal movement. The theory behind this is that the brain takes longer to process darker images than lighter ones, and so one eye is effectively seeing a different frame than the other. Another way to achieve this is to squint with one eye.

    The problem with this technique is the 3D effect only appears correct when objects move in the right direction (from left to right, or right to left depending on which eye is getting the delayed frame). When objects move the opposite direction, the 3D effect is reversed, with background objects appearing close, and foreground objects appearing distant.

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