Method and apparatus for detecting document size in an imaging s

Image analysis – Histogram processing – For setting a threshold

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

382 57, 382 54, 382 50, 382 51, G06K 920

Patent

active

050201247

ABSTRACT:
Apparatus for detecting a dimension of a generally rectangular document in a system where the document is carried over a track to a station where the document is scanned by a sensor to create a digital image thereof. Pixel vales along a scan line which includes a portion of the track as well as the document are analyzed and provide an indication of the size of the document.

REFERENCES:
patent: 3652791 (1972-03-01), Shuey
patent: 4087788 (1978-05-01), Johannesson
patent: 4091424 (1978-05-01), Widergren
patent: 4363036 (1982-12-01), Subramaniam
patent: 4399467 (1983-08-01), Subramaniam
patent: 4410965 (1983-10-01), Moore
patent: 4412252 (1983-10-01), Moore et al.
patent: 4504969 (1985-03-01), Suzuki et al.
patent: 4510618 (1985-04-01), Ataman et al.
patent: 4510619 (1985-04-01), LeBrun et al.
patent: 4613986 (1986-09-01), Ataman et al.
patent: 4656665 (1987-04-01), Pennebaker
patent: 4672186 (1987-06-01), Van Tyne
patent: 4736443 (1988-04-01), Miyagawa et al.
patent: 4783837 (1988-11-01), Kawamura et al.
patent: 4821335 (1989-04-01), Yamazaki et al.
patent: 4933979 (1990-06-01), Suzuki et al.
Some Extensions of the Ordering Techniques for Compression of Two-Level Facsimile Pictures, F. W. Mounts, A. N. Netravali & K. A. Walsh 1978 AT & T Company The Bell System Technical Journal pp. 3057-3067.
Twodimensional Facsimile Source Encoding Based on a Markov Model by Dieter Preus NTZ-Aufsatze pp. 358-363.
Ordering Techniques for Coding of Two-Tone Facsimile Pictures by A. N. Netravali, F. W. Mounts & E. G. Bowen 1976 AT & T Company-The Bell System Technical Journal pp. 1539-1553.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Method and apparatus for detecting document size in an imaging s does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for detecting document size in an imaging s, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for detecting document size in an imaging s will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-41672

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.