Method for manufacturing electric masks using a color scanner an

Details Method for manufacturing electric masks using a color scanner an Method for manufacturing electric masks using a color scanner an

1985-05-07

1987-09-08

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 75, 358 78, H04N 146

Patent

active

046927964

ABSTRACT:
A method for manufacturing electric masks characterized by a step of setting a cutout area of the original picture adhered to an input drum by using a color scanner comprising CRT monitor and coordinate input device, a step of roughly scanning the picture in this cutout area at coarser pitch than the scanning pitch in duplicating and recording process, a step of averaging the picture signal obtained by this rough scanning into coarse sampling data, a step of writing this coarse sampling data into the background memory of CRT monitor, a step of displaying thus written coarse sampling data on the CRT monitor as a picture, a step of writing the contour of desired electric mask on the display image by using the coordinate input device while observing this display image and displaying on the control memory, a step of making an electric mask by painting out the contour and writing the electric mask data obtained at this time into the control memory, and a step of reading out the electric mask data written in the control memory at the time of subsequent usual scanning in tune with the generation timing of the image data, and a step of masking the image data in real time; and an apparatus for use therein.

REFERENCES:
patent: 4514767 (1985-04-01), Kubota et al.
patent: 4577219 (1986-03-01), Klie et al.

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