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)
  • Complex Calculations (AREA)
  • Holo Graphy (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Soft Magnetic Materials (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 (cg-RX-API-DMAC7.html)
EP (1) EP2102793B1 (cg-RX-API-DMAC7.html)
JP (1) JP2010517127A (cg-RX-API-DMAC7.html)
CN (1) CN101606166B (cg-RX-API-DMAC7.html)
AT (1) ATE516557T1 (cg-RX-API-DMAC7.html)
WO (1) WO2008087129A1 (cg-RX-API-DMAC7.html)
ZA (1) ZA200905325B (cg-RX-API-DMAC7.html)

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

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