Image processing integrated circuit

Details Image processing integrated circuit Image processing integrated circuit

1984-03-09

1985-01-01

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

358284, 382 54, G06K 936

Patent

active

044919646

ABSTRACT:
An array of integrated photosensitive devices is used to lift an image of a printed character or symbol from a document or other surface, process the image to enhance character information and referencing it against a self adjusting threshold to produce a black/white video output, in serial form, representative of the image sensed by the array. Charge transfer devices are used extensively throughout on a single integrated circuit to provide a complete image processing video device on a single integrated circuit chip.

REFERENCES:
patent: 3737855 (1973-06-01), Cutaia
patent: 3964022 (1976-06-01), Martin
patent: 3973239 (1976-08-01), Kakumoto et al.
patent: 4074231 (1978-02-01), Yajima et al.
patent: 4238768 (1980-12-01), Mitsuya et al.
patent: 4315285 (1982-02-01), Sommer et al.

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