Image processing system

Details Image processing system Image processing system

1988-06-10

1990-04-10

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

340731, 358451, G06K 942

Patent

active

049167472

ABSTRACT:
An image processing system has a line sensor for reading an image, a binarizing circuit for binarizing the read image data, a clock generator for generating a clock for transferring the image data, and a frequency changing circuit for changing the frequency of the clock from the clock generator using a decimal counter (e.g., a DRM) to allow image reproduction of any desired magnification factor without errors.

REFERENCES:
patent: 3801775 (1974-04-01), Acker
patent: 4275450 (1981-06-01), Potter
patent: 4322717 (1982-03-01), Iida
patent: 4605957 (1986-08-01), Yamada
patent: 4672464 (1987-06-01), Shida
patent: 4679096 (1987-07-01), Nagashima
patent: 4682243 (1987-07-01), Hatayama
patent: 4686580 (1987-08-01), Kato et al.
patent: 4701808 (1987-10-01), Nagashima

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