CN101606166B - 使用余弦变换的形状表示 - Google Patents

使用余弦变换的形状表示 Download PDF

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Publication number
CN101606166B
CN101606166B CN2008800024047A CN200880002404A CN101606166B CN 101606166 B CN101606166 B CN 101606166B CN 2008800024047 A CN2008800024047 A CN 2008800024047A CN 200880002404 A CN200880002404 A CN 200880002404A CN 101606166 B CN101606166 B CN 101606166B
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boundary
iris
point
approximate
representation
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CN101606166A (zh
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唐纳德·马丁·门罗
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Brain Storm International Services Ltd
Fotonation Ltd
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/18—Eye characteristics, e.g. of the iris
    • G06V40/197—Matching; Classification
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/40—Extraction of image or video features
    • G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
    • G06V10/478—Contour-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)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (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)
  • Holo Graphy (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Soft Magnetic Materials (AREA)
  • Complex Calculations (AREA)
CN2008800024047A 2007-01-17 2008-01-15 使用余弦变换的形状表示 Active CN101606166B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/654,494 2007-01-17
US11/654,494 US8036466B2 (en) 2007-01-17 2007-01-17 Shape representation using cosine transforms
PCT/EP2008/050372 WO2008087129A1 (en) 2007-01-17 2008-01-15 Shape representation using cosine transforms

Publications (2)

Publication Number Publication Date
CN101606166A CN101606166A (zh) 2009-12-16
CN101606166B true CN101606166B (zh) 2013-03-06

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CN2008800024047A Active CN101606166B (zh) 2007-01-17 2008-01-15 使用余弦变换的形状表示

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US (1) US8036466B2 (enExample)
EP (1) EP2102793B1 (enExample)
JP (1) JP2010517127A (enExample)
CN (1) CN101606166B (enExample)
AT (1) ATE516557T1 (enExample)
WO (1) WO2008087129A1 (enExample)
ZA (1) ZA200905325B (enExample)

Families Citing this family (11)

* 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
US8878773B1 (en) 2010-05-24 2014-11-04 Amazon Technologies, Inc. Determining relative motion as input
US8947351B1 (en) 2011-09-27 2015-02-03 Amazon Technologies, Inc. Point of view determinations for finger tracking
US8942434B1 (en) * 2011-12-20 2015-01-27 Amazon Technologies, Inc. Conflict resolution for pupil detection
US9317113B1 (en) 2012-05-31 2016-04-19 Amazon Technologies, Inc. Gaze assisted object recognition
US9094576B1 (en) 2013-03-12 2015-07-28 Amazon Technologies, Inc. Rendered audiovisual communication
US9269012B2 (en) 2013-08-22 2016-02-23 Amazon Technologies, Inc. Multi-tracker object tracking

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4949281A (en) * 1987-04-23 1990-08-14 H. Berthold Ag Method and apparatus for generating and producing two-dimensional graphic object by polynominal parametric curves
US6121980A (en) * 1997-01-10 2000-09-19 Samsung Electronics Co., Ltd. Vertex-based predictive shape coding method using adaptive sampling direction selection
EP1349105A2 (de) * 2002-03-26 2003-10-01 Siemens Aktiengesellschaft Archivierung digitaler Bilder durch Merkmalsextraktion im Fourierraum
CN1577723A (zh) * 2003-06-27 2005-02-09 株式会社东芝 图形处理方法与装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US17094A (en) * 1857-04-21 Improvement in carding-machines
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4949281A (en) * 1987-04-23 1990-08-14 H. Berthold Ag Method and apparatus for generating and producing two-dimensional graphic object by polynominal parametric curves
US6121980A (en) * 1997-01-10 2000-09-19 Samsung Electronics Co., Ltd. Vertex-based predictive shape coding method using adaptive sampling direction selection
EP1349105A2 (de) * 2002-03-26 2003-10-01 Siemens Aktiengesellschaft Archivierung digitaler Bilder durch Merkmalsextraktion im Fourierraum
CN1577723A (zh) * 2003-06-27 2005-02-09 株式会社东芝 图形处理方法与装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
wyatt.the form of the human pupil.《vision Reseach》.1995,第35卷(第14期), *

Also Published As

Publication number Publication date
ZA200905325B (en) 2011-10-26
JP2010517127A (ja) 2010-05-20
CN101606166A (zh) 2009-12-16
US20080170759A1 (en) 2008-07-17
ATE516557T1 (de) 2011-07-15
WO2008087129A1 (en) 2008-07-24
US8036466B2 (en) 2011-10-11
EP2102793A1 (en) 2009-09-23
EP2102793B1 (en) 2011-07-13

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