Method of and apparatus for producing cutout mask data

Details Method of and apparatus for producing cutout mask data Method of and apparatus for producing cutout mask data

1989-10-04

1991-08-06

Razavi, Michael

Image analysis

Histogram processing

For setting a threshold

382 22, 382 33, 382 56, 358452, G06K 946

Patent

active

050383833

ABSTRACT:
Cutout mask data is easily obtained while setting small unit areas in an original image and displaying them in order on a display unit. Unit areas including vertexes of an outline of a cutout mask are first designated. Unit area images within the unit areas are simultaneously displayed on a display unit. An operator sequentially designates positions of the vertexes while watching the unit area images arrayed in order of the designation. Cutout mask data are formed on the basis of the positions of the vertexes.

REFERENCES:
patent: 4021778 (1977-05-01), Ueda et al.
patent: 4538183 (1985-08-01), Kanno et al.
patent: 4672459 (1987-06-01), Kudo
patent: 4733304 (1988-03-01), Homma et al.
patent: 4868884 (1989-09-01), Miyazaki et al.

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