Image analysis – Pattern recognition – Feature extraction
Reexamination Certificate
2005-03-01
2005-03-01
Boudreau, Leo (Department: 2621)
Image analysis
Pattern recognition
Feature extraction
C382S203000
Reexamination Certificate
active
06862370
ABSTRACT:
An image detecting method comprises the steps of: a) searching for a pattern satisfying a predetermined commencement requirement by scanning an input image; b) using the pattern as a starting point, with referring to a dictionary storing therein distances between the center line and an edge of a detection target semicircle, determining for each of a predetermined number of main scan lines along a sub-scan direction whether or not a predetermined edge pattern occurs within a respective range of the distance of the dictionary; and c) determining a detection of the semicircle when the number of error lines on which the predetermined edge pattern does not occur within the respective range of the distance of the dictionary is less than a predetermined threshold.
REFERENCES:
patent: 4748676 (1988-05-01), Miyagawa et al.
patent: 5189711 (1993-02-01), Weiss et al.
patent: 5642106 (1997-06-01), Hancock et al.
patent: 5796869 (1998-08-01), Tsuji et al.
patent: 5854854 (1998-12-01), Cullen et al.
patent: 5987162 (1999-11-01), Nakata
patent: 6018990 (2000-02-01), Ueki
patent: 6226417 (2001-05-01), Yamagata et al.
patent: 6370271 (2002-04-01), Fu et al.
patent: 6636634 (2003-10-01), Melikian et al.
patent: 08115022 (1996-05-01), None
patent: 08279021 (1996-10-01), None
patent: 09147109 (1997-06-01), None
patent: 11-110562 (1999-04-01), None
A. Eleftheriadis, et al., Signal Processing: Image Communication, vol. 7, No. 4, pp. 435-455, “Automatic Face Location Detection for Model-Assisted Rate Control in H.261-Compatible Coding of Video”, Nov. 1 , 1995.
S. Kumar, et al., Pattern Recognition, vol. 27, No. 8, pp. 1019-1028, “Parallel Algorithms for Circle Detection in Images”, Aug. 1, 1994.
Whoi-Yul Kim, et al., IEEE, pp. 391-396, “A Practical Pattern Recognition System for Translation, Scale and Rotation Invariance”, 1994.
Hai Lin, et al., IEEE, pp. 2963-2967, “Chinese Signature Verification with Moment Invariants”, 1996.
P. Sangassapaviriya, et al., IEEE TENCON-Speech and Image Technologies for Computing and Telecommunications, pp. 203-206, “Similarity Measures for Compressed Image Databases”, 1997.
Kawano Miwa
Miyazawa Toshio
Shimura Hiroshi
Tachikawa Michiyoshi
Yamagata Hideaki
Boudreau Leo
Ishrat Sherali
Ricoh & Company, Ltd.
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