Smartphone projector breathes life into storybooks

Remember your favorite storybook from childhood? Now imagine that the characters that graced its pages didn't only appear in print, but acted out scenes right in front of you, à lamagic Harry Potter paintings.

Hide Out a smartphone projector system developed by Karl Willis at Disney Research in Pittsburgh, Pennsylvania, does exactly that by using invisible-ink markers to guide the projected characters of a storybook through an entire other layer of activities.

The projector also lets the user move a digital, animated character over surfaces in the real world. By passing the camera over another of the hidden patterns - which are visible only in infrared - the character can even seem to interact with physical obstacles.

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