CN101606166A - 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 PDFInfo
- Publication number
- CN101606166A CN101606166A CNA2008800024047A CN200880002404A CN101606166A CN 101606166 A CN101606166 A CN 101606166A CN A2008800024047 A CNA2008800024047 A CN A2008800024047A CN 200880002404 A CN200880002404 A CN 200880002404A CN 101606166 A CN101606166 A CN 101606166A
- Authority
- CN
- China
- Prior art keywords
- point
- theta
- cos
- shape
- boundary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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; CALCULATING OR 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]
Landscapes
- 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)
- Soft Magnetic Materials (AREA)
- Holo Graphy (AREA)
- Heat Treatment Of Sheet Steel (AREA)
- Complex Calculations (AREA)
Abstract
Description
Claims (12)
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 true CN101606166A (zh) | 2009-12-16 |
CN101606166B CN101606166B (zh) | 2013-03-06 |
Family
ID=39401040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2008800024047A Active CN101606166B (zh) | 2007-01-17 | 2008-01-15 | 使用余弦变换的形状表示 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8036466B2 (zh) |
EP (1) | EP2102793B1 (zh) |
JP (1) | JP2010517127A (zh) |
CN (1) | CN101606166B (zh) |
AT (1) | ATE516557T1 (zh) |
WO (1) | WO2008087129A1 (zh) |
ZA (1) | ZA200905325B (zh) |
Families Citing this family (11)
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 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US17094A (en) * | 1857-04-21 | Improvement in carding-machines | ||
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 |
US6714665B1 (en) * | 1994-09-02 | 2004-03-30 | Sarnoff Corporation | Fully automated iris recognition system utilizing wide and narrow fields of view |
KR100219706B1 (ko) * | 1997-01-10 | 1999-09-01 | 윤종용 | 정점기반 형상 부호화 및 인접 프레임간 정점예측방법 |
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 |
DE10213578A1 (de) * | 2002-03-26 | 2003-10-23 | Siemens Ag | Verfahren zur Archivierung digitaler Bilder |
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 |
-
2007
- 2007-01-17 US US11/654,494 patent/US8036466B2/en active Active
-
2008
- 2008-01-15 CN CN2008800024047A patent/CN101606166B/zh active Active
- 2008-01-15 EP EP08701483A patent/EP2102793B1/en active Active
- 2008-01-15 AT AT08701483T patent/ATE516557T1/de not_active IP Right Cessation
- 2008-01-15 WO PCT/EP2008/050372 patent/WO2008087129A1/en active Application Filing
- 2008-01-15 JP JP2009545907A patent/JP2010517127A/ja active Pending
-
2009
- 2009-07-30 ZA ZA2009/05325A patent/ZA200905325B/en unknown
Also Published As
Publication number | Publication date |
---|---|
US8036466B2 (en) | 2011-10-11 |
EP2102793A1 (en) | 2009-09-23 |
EP2102793B1 (en) | 2011-07-13 |
JP2010517127A (ja) | 2010-05-20 |
ZA200905325B (en) | 2011-10-26 |
CN101606166B (zh) | 2013-03-06 |
US20080170759A1 (en) | 2008-07-17 |
ATE516557T1 (de) | 2011-07-15 |
WO2008087129A1 (en) | 2008-07-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101606166B (zh) | 使用余弦变换的形状表示 | |
CN101589401B (zh) | 使用傅里叶变换的形状表示 | |
Sun et al. | Fully automated macular pathology detection in retina optical coherence tomography images using sparse coding and dictionary learning | |
Bach et al. | Learning spectral clustering, with application to speech separation | |
WO2021226778A1 (zh) | 一种基于层次图卷积神经网络的癫痫脑电识别系统、终端及存储介质 | |
US8774502B2 (en) | Method for image/video segmentation using texture feature | |
US4843631A (en) | Pattern recognition process | |
CN104715241B (zh) | 一种基于张量分解的fMRI特征提取与识别方法 | |
Han et al. | Computer vision–based automatic rod-insulator defect detection in high-speed railway catenary system | |
Zhang et al. | A new time series representation model and corresponding similarity measure for fast and accurate similarity detection | |
CN102541954A (zh) | 一种商标检索方法及系统 | |
US11536866B2 (en) | Diffracted wave imaging method, device and electronic apparatus | |
CN110827793A (zh) | 一种语种识别方法 | |
CN105354571A (zh) | 基于曲线投影的畸变文本图像基线估计方法 | |
KR102391064B1 (ko) | 합성곱신경망 기반 복합재 구조물의 손상위치탐지 시스템 및 그 방법 | |
Işık et al. | Recognition of radio signals with deep learning Neural Networks | |
Averbuch et al. | Dimensionality reduction for detection of moving vehicles | |
Cao et al. | New shape-based auroral oval segmentation driven by LLS-RHT | |
Kashyap et al. | A geometrical approach to polygonal dissimilarity and shape matching | |
D'ercole et al. | A continuous wavelet-based approach to detect anisotropic properties in spatial point processes | |
Levy et al. | Classification of audio signals using spectrogram surfaces and extrinsic distortion measures | |
Du et al. | Contour recognition of roadheader cutting head based on shape matching | |
Zhdanova et al. | Gastric polyps detection based on endoscopic video using modified dense micro-block difference descriptor | |
CN117251737B (zh) | 闪电波形处理模型训练方法、分类方法、装置及电子设备 | |
Chen et al. | Performance analysis in serial-section electron microscopy image registration of neuronal tissue |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160803 Address after: Ireland Galway Patentee after: FOTONATION LTD. Address before: The British Virgin Islands Patentee before: Brain storm International Services Ltd. Effective date of registration: 20160803 Address after: The British Virgin Islands Patentee after: Brain storm International Services Ltd. Address before: Frome Samer Seth Patentee before: Donald Martin Monroe |