Method of displaying image

Details Method of displaying image Method of displaying image

1986-02-24

1989-04-04

Harkcom, Gary V.

Boots, shoes, and leggings

340728, 364521, G09B 908

Patent

active

048191922

ABSTRACT:
A method of displaying graphic image surface information data of an object lying within a three-dimensional space on a two-dimensional display screen when seen from a predetermined observing point is disclosed. A patch of the surface of an object is separated into plural triangular units, and image information data (luminance, visible-nonvisible, and distance) are all represented at the three apexes of each triangular unit area which includes a number of display pixels. The positional data at the three apexes are transformed from three- to two-dimensional space. The other image information data are calculated in accordance with interpolation calculation. Prior to the interpolation calculation a display area is determined and a triangular area including pixels to be processed is determined to reduce the processing time. This process is repeated for the entire surface to be displayed.

REFERENCES:
patent: 4609993 (1986-09-01), Shimtzu
patent: 4623977 (1986-11-01), Schrieber

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