Image analysis – Image segmentation – Distinguishing text from other regions
Reexamination Certificate
2007-09-13
2011-10-11
Carter, Aaron (Department: 2624)
Image analysis
Image segmentation
Distinguishing text from other regions
C382S171000, C382S177000
Reexamination Certificate
active
08036463
ABSTRACT:
The present invention provides a technique of accurately extracting areas of characters included in a captured image. A character extracting device of the present invention extracts each character in an image with compensated pixel values. In more detail, the character extracting device integrates pixel values at each coordinate position in the image along a character extracting direction. Then, the character extracting device predicts the background area in the image based on the integrated pixel value. The compensated pixel values are compensated based on integrated pixel values at the predicted background area from integrated pixel values at each coordinate position.
REFERENCES:
patent: 4377803 (1983-03-01), Lotspiech et al.
patent: 5018216 (1991-05-01), Kojima
patent: 5046114 (1991-09-01), Zobel
patent: 5381488 (1995-01-01), Suda et al.
patent: 5557689 (1996-09-01), Huttenlocher et al.
patent: 5640466 (1997-06-01), Huttenlocher et al.
patent: 5684891 (1997-11-01), Tanaka et al.
patent: 5692069 (1997-11-01), Hanson
patent: 5790696 (1998-08-01), Takahashi
patent: 5825919 (1998-10-01), Bloomberg et al.
patent: 5825920 (1998-10-01), Kitamura et al.
patent: 5926564 (1999-07-01), Kimura
patent: 5956433 (1999-09-01), Sasaki
patent: 6081616 (2000-06-01), Vaezi et al.
patent: 6188790 (2001-02-01), Yoshikawa et al.
patent: 6249604 (2001-06-01), Huttenlocher et al.
patent: 6327384 (2001-12-01), Hirao et al.
patent: 6535619 (2003-03-01), Suwa et al.
patent: 7471826 (2008-12-01), Navon et al.
patent: 7734065 (2010-06-01), Anisimovich et al.
patent: 2007/0263930 (2007-11-01), Ito
patent: 2008/0063271 (2008-03-01), Shimodaira
patent: 2008/0063272 (2008-03-01), Shimodaira
patent: 2008/0063273 (2008-03-01), Shimodaira
patent: 2008/0181500 (2008-07-01), Ito et al.
patent: 2872768 (1999-01-01), None
patent: 2001-211348 (2001-08-01), None
Carter Aaron
Keyence Corporation
Smith Patent Office
LandOfFree
Character extracting apparatus, method, and program does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Character extracting apparatus, method, and program, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Character extracting apparatus, method, and program will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4285683