Image signal processing device

Details Image signal processing device Image signal processing device

1982-05-14

1984-08-28

Martin, John C.

Facsimile and static presentation processing

Facsimile

Recording apparatus

382 51, H04N 140, G06K 938

Patent

active

044687036

ABSTRACT:
An image signal processing device uses an automatically varied threshold value calculated from the average density and the density distribution of an original (document, etc). The threshold value is periodically updated at predetermined intervals, so that the overall image may be reproduced with high fidelity.

REFERENCES:
patent: 3502993 (1970-03-01), Schurzinger et al.
patent: 4247873 (1981-01-01), Decuyper
patent: 4272789 (1981-06-01), Biron

Affiliated with

Also associated with

Rating

Image signal processing device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image signal processing device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image signal processing device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-880407