Electrical circuit for a microprocessor graphic system

Details Electrical circuit for a microprocessor graphic system Electrical circuit for a microprocessor graphic system

1984-11-27

1987-03-24

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

364474, 382 8, 382 23, G06K 946

Patent

active

046531084

ABSTRACT:
An electrical circuit for the graphic processing of resulting contours of several polygonal superposed images stored in memory. Such images, commonly used for numeric machine tool controls, graphically represent a workpiece as sectional contours. The circuit of the present invention, after initialization, determines the inner and outer polygonal contour of the resultant superposed images. The processing speed of the present invention is one to two orders of magnitude greater than the corresponding processing speed of comparable software programs. This high speed processing enables the present invention to represent the effect of a machine tool on a workpiece in three dimensions in real time. By combining this circuit with additional components a relatively inexpensive high speed graphics processor can be created.

REFERENCES:
patent: 4021778 (1977-05-01), Ueda et al.
patent: 4110736 (1978-08-01), Kono
patent: 4115805 (1978-09-01), Morton
patent: 4541115 (1985-09-01), Werth
Persoon, "A System That Can Learn to Recognize Two-Dimensional Shapes" Philips Tech. Rev., vol. 38, No. 11/12, 1978/79, pp. 356-363.

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