Figure input system

Details Figure input system Figure input system

1991-10-02

1992-06-09

Moore, David K.

Image analysis

Histogram processing

For setting a threshold

382 23, 382 25, 340709, G06K 900

Patent

active

051214423

ABSTRACT:
A figure input system includes an input device such as a digitizer through which coordinate data of points on a figure to be inputted are time-wise continuously received. These data are sampled sequentially at set time intervals and are analyzed in view of the kind of basic figure intended by the user such that geometrical characteristics and position data are extracted from the sampled data and a regular basic figure can be displayed on a display device.

REFERENCES:
patent: 4607386 (1986-08-01), Morita et al.
patent: 4653107 (1987-03-01), Suojima et al.
patent: 4672677 (1987-06-01), Yamakawa
patent: 4698625 (1987-10-01), McCaskill et al.
patent: 4718103 (1988-01-01), Shojima et al.

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