Character recognition apparatus with inputting function of ruled

Details Character recognition apparatus with inputting function of ruled Character recognition apparatus with inputting function of ruled

1989-10-24

1991-11-12

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

340706, 382 59, 382 61, 395105, G06K 922

Patent

active

050654381

ABSTRACT:
A character recognition apparatus includes an inputting function of ruled lines. The apparatus is equipped with a tablet type input device integrating a tablet type input device with a display panel. The apparatus includes a control unit that recognizes information inputted in an input panel by a stylus pen. There is a memory unit for storing the recognized information. The control unit sets a grating-like virtual frame in the input panel. The frame set in the input panel is a virtual boarder obtained by calculation and does not appear on a display panel.

REFERENCES:
patent: Re32633 (1988-04-01), Hovey et al.
patent: 3089918 (1963-05-01), Graham
patent: 4142183 (1979-02-01), Castleberry et al.
patent: 4771336 (1988-09-01), Ohtorii
patent: 4849911 (1989-06-01), Campian
patent: 4852055 (1989-07-01), Lapeyre
Apple Computer, Inc. Lisa Draw Manual, Reorder #A6L0342 1984, pp. 74-75, 84-89, 128-129, 166-167.

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