Entity control for raster displays

Details Entity control for raster displays Entity control for raster displays

1982-12-17

1985-05-07

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

340701, 340706, 340799, 382 16, 382 59, 382 61, G06F 314, G06K 900

Patent

active

045162662

ABSTRACT:
An apparatus for carrying out, at frame rates, entity detection and verification on bit-mapped raster graphic systems by providing an entity identification bit sequence with each feature of the picture displayed. The apparatus includes a display coupled to a store for input data, serially sending items of data to the display, together with means for identifying the items of data so supplied, such that all the items of data forming a selected feature, i.e., line, circle, background or etc. of the display can be identified, and stored. Comparison and register means are used to drive a modulating means to verify the display of the items of data, forming the selected feature, when a correlation occurs between the selected feature and the feature formed by the items of data sent from the store. Verification may be emphasizing, i.e., brightening, flashing, color change, etc. the feature selected.

REFERENCES:
patent: 3728710 (1973-04-01), Berg
patent: 3801741 (1974-04-01), Ablett
patent: 3906197 (1975-09-01), Grover
patent: 4138662 (1979-02-01), Shimoyama
patent: 4181952 (1980-01-01), Casey et al.
patent: 4189744 (1980-02-01), Stern
patent: 4224614 (1980-09-01), DevChoudhury
patent: 4454593 (1984-06-01), Fleming et al.

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