Method and device for 3D image processing

Details Method and device for 3D image processing Method and device for 3D image processing

1997-04-16

1998-03-24

Nguyen, Phu K.

G06F 314

Patent

active

057322040

ABSTRACT:
A method for coordinate transformation is presented to perform world coordinate transformation for placing a 3D model in world coordinates and to perform view transformation for spatially relating the 3D model with a viewpoint. The method includes the steps of performing a contraction process on the 3D model at a time of the world coordinate transformation, so that a size of the 3D model is made smaller than an actual size thereof, and performing a viewpoint position transformation on the viewpoint at a time of the view transformation, so that shift of the viewpoint is made smaller than an actual shift in accordance with a degree of contraction of the contraction process.

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patent: 5418626 (1995-05-01), Semasa
patent: 5467404 (1995-11-01), Vuylsteke et al.
patent: 5513276 (1996-04-01), Theodoracatos

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