JP2010517126A - フーリエ変換を使用する形状表現 - Google Patents

フーリエ変換を使用する形状表現 Download PDF

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Publication number
JP2010517126A
JP2010517126A JP2009545905A JP2009545905A JP2010517126A JP 2010517126 A JP2010517126 A JP 2010517126A JP 2009545905 A JP2009545905 A JP 2009545905A JP 2009545905 A JP2009545905 A JP 2009545905A JP 2010517126 A JP2010517126 A JP 2010517126A
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Japan
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boundary
matrix
point
iris
approximate
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Pending
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JP2009545905A
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Japanese (ja)
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JP2010517126A5 (enExample
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ドナルド マルティン モンロ
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Publication of JP2010517126A publication Critical patent/JP2010517126A/ja
Publication of JP2010517126A5 publication Critical patent/JP2010517126A5/ja
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    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18Eye characteristics, e.g. of the iris
    • G06V40/193Preprocessing; Feature extraction
    • GPHYSICS
    • G06COMPUTING OR CALCULATING; COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/40Extraction of image or video features
    • G06V10/46Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/478Contour-based spectral representations or scale-space representations, e.g. by Fourier analysis, wavelet analysis or curvature scale-space [CSS]

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Mathematical Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Human Computer Interaction (AREA)
  • Collating Specific Patterns (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
JP2009545905A 2007-01-17 2008-01-15 フーリエ変換を使用する形状表現 Pending JP2010517126A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/654,496 US8055074B2 (en) 2007-01-17 2007-01-17 Shape representation using fourier transforms
PCT/EP2008/050370 WO2008087127A1 (en) 2007-01-17 2008-01-15 Shape representation using fourier transforms

Publications (2)

Publication Number Publication Date
JP2010517126A true JP2010517126A (ja) 2010-05-20
JP2010517126A5 JP2010517126A5 (enExample) 2012-03-01

Family

ID=39144282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009545905A Pending JP2010517126A (ja) 2007-01-17 2008-01-15 フーリエ変換を使用する形状表現

Country Status (8)

Country Link
US (1) US8055074B2 (enExample)
EP (1) EP2104908B1 (enExample)
JP (1) JP2010517126A (enExample)
CN (1) CN101589401B (enExample)
ES (1) ES2393260T3 (enExample)
PL (1) PL2104908T3 (enExample)
WO (1) WO2008087127A1 (enExample)
ZA (1) ZA200905324B (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7809747B2 (en) * 2006-10-23 2010-10-05 Donald Martin Monro Fuzzy database matching
US9846739B2 (en) 2006-10-23 2017-12-19 Fotonation Limited Fast database matching
US20100278394A1 (en) * 2008-10-29 2010-11-04 Raguin Daniel H Apparatus for Iris Capture
US8317325B2 (en) 2008-10-31 2012-11-27 Cross Match Technologies, Inc. Apparatus and method for two eye imaging for iris identification
US8577094B2 (en) 2010-04-09 2013-11-05 Donald Martin Monro Image template masking
JP4893863B1 (ja) * 2011-03-11 2012-03-07 オムロン株式会社 画像処理装置、および画像処理方法
JP4893862B1 (ja) * 2011-03-11 2012-03-07 オムロン株式会社 画像処理装置、および画像処理方法
US9854159B2 (en) 2012-07-20 2017-12-26 Pixart Imaging Inc. Image system with eye protection
TWI471808B (zh) * 2012-07-20 2015-02-01 Pixart Imaging Inc 瞳孔偵測裝置
JP6497162B2 (ja) * 2015-03-26 2019-04-10 オムロン株式会社 画像処理装置および画像処理方法
KR20190107738A (ko) * 2017-05-11 2019-09-20 주식회사 룩시드랩스 이미지 처리 장치 및 방법
US12284058B2 (en) * 2022-06-16 2025-04-22 Samsung Electronics Co., Ltd. Self-tuning fixed-point least-squares solver

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6714665B1 (en) * 1994-09-02 2004-03-30 Sarnoff Corporation Fully automated iris recognition system utilizing wide and narrow fields of view
US6144754A (en) * 1997-03-28 2000-11-07 Oki Electric Industry Co., Ltd. Method and apparatus for identifying individuals
US6801661B1 (en) 2001-02-15 2004-10-05 Eastman Kodak Company Method and system for archival and retrieval of images based on the shape properties of identified segments
JP4068596B2 (ja) * 2003-06-27 2008-03-26 株式会社東芝 図形処理方法、図形処理装置およびコンピュータ読取り可能な図形処理プログラム
KR20050025927A (ko) 2003-09-08 2005-03-14 유웅덕 홍채인식을 위한 동공 검출 방법 및 형상기술자 추출방법과 그를 이용한 홍채 특징 추출 장치 및 그 방법과홍채인식 시스템 및 그 방법

Also Published As

Publication number Publication date
EP2104908B1 (en) 2012-06-27
CN101589401A (zh) 2009-11-25
US20080170760A1 (en) 2008-07-17
CN101589401B (zh) 2013-04-10
ZA200905324B (en) 2011-05-25
ES2393260T3 (es) 2012-12-19
PL2104908T3 (pl) 2012-11-30
EP2104908A1 (en) 2009-09-30
WO2008087127A1 (en) 2008-07-24
US8055074B2 (en) 2011-11-08

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