North Carolina State University (NCSU) researchers have developed CAPTIVE, an inexpensive controller for manipulating virtual objects in a computer program in three dimensions (3D).
The device offers six degrees of freedom for users, and is composed of a simple cube, a webcam already found on most smartphones and laptops, and custom software. The cube is equipped with differently colored balls at each corner.
When users manipulate the cube, the image is captured by the webcam. Video-recognition software then follows the movement of the cube in 3D by tracking how each of colored balls moves in relation to the others.
The researchers tested CAPTIVE's efficiency by performing a suite of standard experiments designed to determine how quickly users can complete a series of tasks. For example, the researchers found CAPTIVE enabled users to rotate objects in 3D almost twice as fast as with competing technologies.
From NCSU News
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