Volume rendering apparatus and method

Details Volume rendering apparatus and method Volume rendering apparatus and method

1996-06-28

1998-11-03

Zimmerman, Mark K.

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

345423, 345430, G06T 1140

Patent

active

058316230

ABSTRACT:
Volume rendering apparatus including a voxel memory, a parameter provider, an address generator, a mapping unit, an image memory and a blender. The voxel memory stores original volume data. A parameter provider calculates a parameter of a volume plane which slices the volume object orthogonally to a direction of view, calculates a parameter of a three-dimensional mapping plane which slices the mapping object according to a point of view coordinate system and converts the three-dimensional mapping plane to a two-dimensional mapping plane. An address generator generates voxel memory addresses and image memory addresses and a mapping unit maps the volume plane on each of the mapping planes. An image memory stores mapping data and rendering data and a blender performs blending of data in the image memory and data on each of the mapping planes and writes the blended data back in the image memory.

REFERENCES:
patent: 4984157 (1991-01-01), Cline et al.
patent: 5307450 (1994-04-01), Grossman
patent: 5454371 (1995-10-01), Fenster et al.
patent: 5570460 (1996-10-01), Ramanujam
Abstract of Japanese Unexamined Patent Application HEI 5-266216.

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