Image processing unit and method for executing image processing

Details Image processing unit and method for executing image processing Image processing unit and method for executing image processing

1992-03-06

1995-08-15

Zimmerman, Mark K.

395119, 395128, G06T 720

Patent

active

054427347

ABSTRACT:
An image processing unit generates a virtual environment or an artificial reality by displaying a necessary image in accordance with movement of a view direction of a person on a head mounted display and comprises a sensor, an image processing portion, and a display. The sensor detects a view direction and generates a view vector, and the image processing portion comprises a view direction movement discriminator, a priority degree allocator, and a partial update portion. The view direction movement discriminator calculates a view direction movement vector from the difference from the two fetched view vectors. The priority degree allocator generates a projection vector by projecting the view direction movement, determines a priority degree at each divided section of the display screen to be higher when the projection vector approaches and to withdraw from the center of the display screen to a periphery along the projection vector; and the partial update portion updates the display of the display screen in each divided section in accordance with the priority degree.

REFERENCES:
patent: 4348186 (1982-09-01), Harvey et al.
patent: 4685070 (1987-08-01), Flinchbaugh
patent: 4862388 (1989-08-01), Bunker
Foley, J. D., "Intefaces for Advanced Computing," Scientific American, vol. 257, No. 4, Oct. 1987, New York, N.Y., pp. 83-90.

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