Parallactic depth-dependent pixel shifts

Details Parallactic depth-dependent pixel shifts Parallactic depth-dependent pixel shifts

1996-12-18

1999-07-27

Nguyen, Phu K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

G06T 1700

Patent

active

059298596

ABSTRACT:
An output image is created through a parallactic transformation of an input image. Pixels of the input image are supplied as a color value and a depth value. A depth converter 520 converts the depth value into a depth-dependent pixel shift, which is stored in a memory 510 together with the color value. A processor 530 generates the output image from the stored input image for `on the fly` supply to a stereoscopic display system by shifting the input pixels. A 3D-rendering process may be used to generate one input image for a pair of stereoscopic output images, or occasionally for moving images, whereas the depth-dependent shifts are used to create the parallactic image effects. Artifacts such as undesired holes or overlaps resulting from the shifts are avoided.

REFERENCES:
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patent: 5502798 (1996-03-01), Ito et al.
patent: 5537520 (1996-07-01), Doi et al.
patent: 5542025 (1996-07-01), Brown
patent: 5671157 (1997-09-01), Saito
patent: 5671344 (1997-09-01), Stark
IEEE Computer graphics & Applications, Tutorial: Time-Multiplexed Stereoscopic Computer Graphics, Mar., 1992.

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