Method and apparatus for an interactive volumetric three dimensional display
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Accused Products
Abstract
A process and system for interactively displaying large (more than 1 million voxels) volumetric 3D images utilizing a sequence of helical slices of a 3D data set to generate a series of 2D images on a reflective surface of a light modulator. The series of 2D images generated on the light modulator are projected into a volumetric 3D-space display using an illumination light source and projection optics. Voxels in 3D space are illuminated for each 2D projected image, each voxel being located at its corresponding spatial location. A pulse from a wireless pulsed laser pointer forms a 3D bright voxel within the display volume. The pulse signal is synchronized with the rotating helix, and the orientation of the pointer and the phase of the pulse are controlled by the user to specify a 3D point in 3D space. A wireless receiver provides six degree-of-freedom (DOF) position of the spatial location of the pointer, as well as the phase signal. Optical encoders provide synchronization signals of the rotating helical display.
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Citations
27 Claims
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1-17. -17. (cancelled)
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18. A method of providing a volumetric three dimensional display device with an interactive laser pointer, the method comprising the steps of:
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rotating a helical display screen that sweeps out a cylindrical three-dimensional display space;
projecting two-dimensional slices of a three-dimensional data set on said rotating helical display screen so as to generate a three-dimensional volumetric display with said rotating helical display screen; and
generating a pulsed laser beam with said interactive laser pointer to selectively indicate a single point in the three-dimensional volumetric display. - View Dependent Claims (19, 20, 21)
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22. A method of providing a volumetric three-dimensional display device, comprising the steps of:
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rotating a helical display screen that sweeps out a cylindrical three-dimensional display space;
projecting two-dimensional slices of a three-dimensional data set on said rotating helical screen so as to generate a three-dimensional volumetric display with said screen; and
in addition to said two-dimensional slices of said three-dimensional data set, selectively projecting a separate two-dimensional image in synchronization with rotation of said rotating helical screen such that said two-dimension image appears as superimposed on said three-dimensional volumetric display. - View Dependent Claims (23)
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24. A volumetric three dimensional display device with an interactive pointer, the device comprising:
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a rotating helical display screen that sweeps out a cylindrical three-dimensional display space;
a projector for projecting two-dimensional slices of a three-dimensional data set on said rotating helical display screen so as to generate a three-dimensional volumetric display on said rotating helical display screen; and
a hand-held laser pointer generating a pulsed laser beam which a user directs at said rotating display screen to selectively indicate a single point on the three-dimensional volumetric display. - View Dependent Claims (25, 26, 27)
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Specification