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| ChromaDepth
Dedicated to kids everywhere and their insatiable curiosity
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Preface: How ChromaDepth Works
Consider how we know that something is close to us. Hold a finger
close to your nose. In order to see it clearly, each of your eyes
has to look inward at it. The amount that your eyes have to “look inward” is
one of the clues that your brain uses to figure out how close the
finger is.
The ChromaDepth glasses are essentially flat prisms that bend light. Like the triangular prisms we are all used to, they bend different colors of light a
different amount.ChromaDepth glasses are designed to bend red light more than green, and green more than blue.
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And, the bending they do acts to shift the images you see inwards, towards your nose. So, when you look at a scene through ChromaDepth glasses, the reds are shifted
inward more than greens, and the greens are shifted inward more than blues.
The effect is that your eyes have to “look inward” more to see red objects, and thus your brain concludes that the red objects must be closer. The job then is to
color code the scene so that objects that are meant to stick out in 3D are red, and those meant to be in the background are blue, and those in between are hues of
the rainbow between red and blue. Fortunately, it is easy to tell a computer to do this, as you will see in the following images.
Credits
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