Title:
METHOD AND DEVICE FOR RULED-LINE DETECTION
Document Type and Number:
Japanese Patent JP2003317107
Kind Code:
A
Abstract:
To provide a ruled-line extracting method for correctly extracting ruled-lines from a read-in image and reproducing them in document data.
When a binary image is inputted, a reduced image is generated by an OR thinning-out process, connection components of black pixels are extracted through a labeling process, and a mask process for extracting straight- line components is carried out. Then segment extraction is carried out and cells are extracted; and ruled lines constituting nesting are determined and a double line is decided. Lastly, oblique lines are extracted.
Inventors:
OBARA ATSUKO
FUJIMOTO KATSUTO
NAOI SATOSHI
FUJIMOTO KATSUTO
NAOI SATOSHI
Application Number:
JP2002125378A
Publication Date:
November 07, 2003
Filing Date:
April 26, 2002
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
G06T7/60; G06K9/20; (IPC1-7): G06T7/60; G06K9/20
Attorney, Agent or Firm:
Yoshiyuki Osuge (1 outside)