System for the acquisition of data inscribed on a support

Details System for the acquisition of data inscribed on a support System for the acquisition of data inscribed on a support

1983-05-26

1986-05-20

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

250209, 358174, 382 52, 382 60, G06K 938

Patent

active

045906092

ABSTRACT:
The present invention relates to a system for the acquisition of data inscribed on a support. It more particularly applies to the acquisition of graphic data, such as characters, curves or all types of lines present on a reflecting or transparent support, whereby said data are monochromatic or polychromatic. The system according to the invention makes it possible to digitize graphic data on a support. It can also permit the acquisition of data in photometry, densitometry, and so forth.

REFERENCES:
patent: 3820068 (1974-06-01), McMillin
patent: 3845319 (1974-10-01), Walter
patent: 3852590 (1974-12-01), Brouwer
patent: 3859520 (1975-01-01), Hertzberg et al.
patent: 3872434 (1975-03-01), Duvall et al.
patent: 3911212 (1975-10-01), Yoshizawa et al.
patent: 4149143 (1979-04-01), Nagano et al.
patent: 4157533 (1979-06-01), Du Vall
patent: 4468704 (1984-08-01), Stoffel et al.
patent: 4500204 (1985-02-01), Ogura
Proceedings of the Nal. Electr. Conf., vol. 35, Oct. 1981, Oak Brook, Ill. pp. 483-486.
Review of Scientific Instruments, vol. 51, No. 7, Jul. 1980, New York; R. M. Lum et al; pp. 954-958.

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