Depth map generating method and apparatus

Details Depth map generating method and apparatus Depth map generating method and apparatus

1988-09-16

1990-08-07

Harkcom, Gary V.

Boots, shoes, and leggings

340723, 340747, G06F 314

Patent

active

049473476

ABSTRACT:
A depth map generating apparatus comprises a three-dimensional (3D) region setting section and first through third processors. The 3D region setting section defines and sets a 3D region of a given shape to enclose an object, the 3D region being defined in 3D coordinates. The first processor performs a coordinate computation for each pixel of the projection plane to attain a first distance in a desired view direction between a projection plane set in accordance with the view direction and the surface of the 3D region. The second processor executes a ray tracing process to attain a second distance in the view direction between the surface of the 3D region and the surface of the object. The third processor adds the first and second distances for each pixel of the projection plane.

REFERENCES:
patent: 3602702 (1971-08-01), Warnock
patent: 4697178 (1987-09-01), Heckel
patent: 4710876 (1987-12-01), Cline et al.
patent: 4719585 (1988-01-01), Cline et al.

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