Method of preprocessing a map to produce simplified, digitally-s

Details Method of preprocessing a map to produce simplified, digitally-s Method of preprocessing a map to produce simplified, digitally-s

1992-04-10

1995-12-05

Jankus, Almis R.

395129, 395141, G06T 900

Patent

active

054737397

ABSTRACT:
A method of digitally redefining an image is disclosed to simplify the storage and processing required to recreate the image. The image is redefined in greatly reduced digital form. The digital information representing commonly bounded image regions is reduced to only a few digits by recoding the image. An image is optically digitized to fingerprint an interior portion of a region and its boundary. At least one point on the boundary has predetermined coordinate values. The region boundary, the interior portion and the point on the boundary are respectively distinguished from one another by at least three optically distinctive tones. The tones may be colors or shades of gray, with each carrying only one or two digits of information. The data is stored in a storage device for subsequent retrieval or analysis.

REFERENCES:
patent: 3743765 (1973-07-01), Maier
patent: 3778541 (1973-12-01), Bowker
patent: 3883861 (1975-05-01), Heartz
patent: 4375654 (1983-03-01), Evans et al.
patent: 4729137 (1988-03-01), Chan et al.
patent: 4998212 (1991-03-01), Dedieu et al.

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