Apparatus for extracting ruled line from multiple-valued image

Image analysis – Pattern recognition – Feature extraction

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

Reexamination Certificate

active

09917748

ABSTRACT:
A rather expanded binary image and a rather blurry binary image are generated from a multiple-valued image. A ruled line candidate area is extracted from the rather expanded binary image, and the extracted ruled line candidate area is verified using the rather blurry binary image.

REFERENCES:
patent: 4903316 (1990-02-01), Hongo et al.
patent: 5086484 (1992-02-01), Katayama et al.
patent: 5153925 (1992-10-01), Tanioka et al.
patent: 5200841 (1993-04-01), Kotaki et al.
patent: 5539843 (1996-07-01), Murakami et al.
patent: 5898795 (1999-04-01), Bessho
patent: 5898800 (1999-04-01), Gahang
patent: 5995665 (1999-11-01), Maeda
patent: 6141444 (2000-10-01), Hasegawa
patent: 6633406 (2003-10-01), Imaizumi et al.
patent: 2001/0021279 (2001-09-01), Nakajima et al.
patent: 6-309498 (1994-11-01), None
Nobuyuki Otsu, “An Automatic Threshold Selection Method Based on Discriminant and Least Squares Criteria” The Transactions of the Institute of Electronics and Communication Engineers of Japan, vol. J63-D No. 4 Apr. 25, 1980. pp. 350 3.1 & 351 3.2.

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

Apparatus for extracting ruled line from multiple-valued image does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for extracting ruled line from multiple-valued image, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for extracting ruled line from multiple-valued image will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3793419

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