Stereoscopic image display apparatus

Details Stereoscopic image display apparatus Stereoscopic image display apparatus

1988-03-29

1989-07-04

Jablon, Clark A.

Boots, shoes, and leggings

378 4, 378 41, G06F 1542, G06F 1572, A61B 603

Patent

active

048456268

ABSTRACT:
A stereoscopic image display apparatus comprises a CT scanner, a data processing device, and a stereoscopic image display device. The data processing device processes projection data obtained from the CT scanner to remove data corresponding to portions unnecessary for stereoscopic display. Specifically, the data processing device forms a sinogram which represents the level of projection data for each portion as the locus of brightness with the ordinates denoting projection angles and the abscissas denoting detecting positions. In the projection angles from 0.degree. through 360.degree., the projection data obtained at the detecting positions from 1 to a predetermined number is removed from the locus of that detecting position so that the loci of outside portions of a circle of a predetermined radius corresponding to a predetermined detecting position are removed. On the basis of projection data having data for unwanted portions removed, the display device performs the stereoscopically visible display using a stereoscopic display method using projection images.

REFERENCES:
patent: 4672649 (1987-06-01), Rutt

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