JP5281511B2 - 高速画像再構築方法 - Google Patents
高速画像再構築方法 Download PDFInfo
- Publication number
- JP5281511B2 JP5281511B2 JP2009176314A JP2009176314A JP5281511B2 JP 5281511 B2 JP5281511 B2 JP 5281511B2 JP 2009176314 A JP2009176314 A JP 2009176314A JP 2009176314 A JP2009176314 A JP 2009176314A JP 5281511 B2 JP5281511 B2 JP 5281511B2
- Authority
- JP
- Japan
- Prior art keywords
- wavelength
- vector
- interpolation
- ccd
- image reconstruction
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 50
- 239000013598 vector Substances 0.000 claims abstract description 59
- 239000011159 matrix material Substances 0.000 claims abstract description 25
- 238000012546 transfer Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims description 16
- 230000003287 optical effect Effects 0.000 abstract description 5
- 230000001427 coherent effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000003325 tomography Methods 0.000 abstract 1
- 238000009827 uniform distribution Methods 0.000 abstract 1
- 238000012014 optical coherence tomography Methods 0.000 description 19
- 238000004364 calculation method Methods 0.000 description 18
- 230000006870 function Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002059 diagnostic imaging Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/0209—Low-coherence interferometers
- G01B9/02091—Tomographic interferometers, e.g. based on optical coherence
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
- A61B5/7235—Details of waveform analysis
- A61B5/7253—Details of waveform analysis characterised by using transforms
- A61B5/7257—Details of waveform analysis characterised by using transforms using Fourier transforms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02041—Interferometers characterised by particular imaging or detection techniques
- G01B9/02044—Imaging in the frequency domain, e.g. by using a spectrometer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02083—Interferometers characterised by particular signal processing and presentation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0062—Arrangements for scanning
- A61B5/0066—Optical coherence imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4795—Scattering, i.e. diffuse reflection spatially resolved investigating of object in scattering medium
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Medical Informatics (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physiology (AREA)
- Psychiatry (AREA)
- Radiology & Medical Imaging (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Mathematical Physics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Complex Calculations (AREA)
Description
1) データに対して離散フーリエ変換を行い、一組の新たなデータを得て、
4) 拡張されたデータに対して、線形分布したK空間に基づいて線形補間を行い、補間後のデータを得る。
(2)
2 アイソレータ
3 光学ビームスプリッター
4 偏波コントローラ
5 PZT転換器
6 スキャンコントローラ
7 サンプリングターゲット
8 分光器
9 回折ラスター
10 レンズ
11 ラインスキャンCCD
Claims (9)
- 回折ラスター(9)がレンズ(10)を介してピクセルがNであるラインスキャンCCD(11)にマッピングされた波長を正確に測定し、一組の均一に分布している波長ベクトル
波数空間に均一に分布している、最短波長
ゼロパディング補間伝達関数
CCD(11)で一組のデータベクトル
補間した後の
上記ゼロパディング補間伝達関数は、以下の公式
上記仮想位置係数
- 回折ラスター(9)がレンズ(10)を介してピクセルがNであるラインスキャンCCD(11)にマッピングされた波長を正確に測定し、一組の均一に分布している波長ベクトル
波数空間に均一に分布している、最短波長
ゼロパディング補間伝達関数
CCD(11)で一組のデータベクトル
補間した後の
上記ゼロパディング補間伝達関数は、以下の公式
上記仮想位置係数
- 回折ラスター(9)がレンズ(10)を介してピクセルがNであるラインスキャンCCD(11)にマッピングされた波長を正確に測定し、一組の均一に分布している波長ベクトル
波数空間に均一に分布している、最短波長
ゼロパディング補間伝達関数
CCD(11)で一組のデータベクトル
補間した後の
上記ゼロパディング補間伝達関数は、以下の公式
上記仮想位置係数
- 回折ラスター(9)がレンズ(10)を介してピクセルがNであるラインスキャンCCD(11)にマッピングされた波長を正確に測定し、一組の均一に分布している波長ベクトル
波数空間に均一に分布している、最短波長
ゼロパディング補間伝達関数
CCD(11)で一組のデータベクトル
補間した後の
上記ゼロパディング補間伝達関数は、以下の公式
上記仮想位置係数
- 回折ラスター(9)がレンズ(10)を介してピクセルがNであるラインスキャンCCD(11)にマッピングされた波長を正確に測定し、一組の均一に分布している波長ベクトル
波数空間に均一に分布している、最短波長
ゼロパディング補間伝達関数
CCD(11)で一組のデータベクトル
補間した後の
上記ゼロパディング補間伝達関数は、以下の公式
上記仮想位置係数
- 回折ラスター(9)がレンズ(10)を介してピクセルがNであるラインスキャンCCD(11)にマッピングされた波長を正確に測定し、一組の均一に分布している波長ベクトル
波数空間に均一に分布している、最短波長
ゼロパディング補間伝達関数
CCD(11)で一組のデータベクトル
補間した後の
上記ゼロパディング補間伝達関数は、以下の公式
上記仮想位置係数
- 請求項1〜6のいずれか一項に記載の高速画像再構築方法において、
重み係数マトリックス
- 請求項7に記載の高速画像再構築方法において、
データベクトル
- 請求項1〜6のいずれか一項に記載の高速画像再構築方法において、
補間された後のデータ
取得した輝度値
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200810119131.6 | 2008-08-27 | ||
CNA2008101191316A CN101358879A (zh) | 2008-08-27 | 2008-08-27 | 傅立叶域光学相干层析技术中可变插值间隔的插值方法 |
CN200910147925.8 | 2009-06-10 | ||
CN2009101479258A CN101660945B (zh) | 2008-08-27 | 2009-06-10 | 快速图像重构方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010054501A JP2010054501A (ja) | 2010-03-11 |
JP5281511B2 true JP5281511B2 (ja) | 2013-09-04 |
Family
ID=41725560
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009176314A Expired - Fee Related JP5281511B2 (ja) | 2008-08-27 | 2009-07-29 | 高速画像再構築方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8189958B2 (ja) |
JP (1) | JP5281511B2 (ja) |
CN (1) | CN101660945B (ja) |
DE (1) | DE102009038889B4 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9014492B2 (en) | 2012-10-23 | 2015-04-21 | The Boeing Company | Real-time image reconstruction |
CN103325091B (zh) * | 2013-03-07 | 2016-02-17 | 上海交通大学 | 低频频谱数据补零法图像获取方法及系统 |
US11113062B2 (en) * | 2013-07-15 | 2021-09-07 | Texas Instruments Incorporated | Inserting predefined pad values into a stream of vectors |
CN104236710B (zh) * | 2014-09-29 | 2015-12-02 | 杭州彩谱科技有限公司 | 一种手持式光源颜色照度测量仪的光谱超分辨方法 |
CN105816151B (zh) * | 2016-03-10 | 2018-08-07 | 天津大学 | 一种基于空间频域测量的均匀组织体光学参数重建方法 |
CN106872407B (zh) * | 2017-03-07 | 2019-04-19 | 中国科学院上海光学精密机械研究所 | 一种提高扫频光学相干层析成像分辨率方法 |
US10718860B2 (en) * | 2018-01-11 | 2020-07-21 | Infineon Technologies Ag | System and method to improve range accuracy in FMCW radar using FSK modulated chirps |
CN111461961B (zh) * | 2020-03-27 | 2022-10-21 | 佛山市灵觉科技有限公司 | 一种oct血管图像错位矫正方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4562540A (en) * | 1982-11-12 | 1985-12-31 | Schlumberger Technology Corporation | Diffraction tomography system and methods |
JPS62217730A (ja) * | 1986-03-19 | 1987-09-25 | Fujitsu Ltd | 周波数圧伸方式 |
JPH01320409A (ja) * | 1988-06-22 | 1989-12-26 | Toray Ind Inc | 膜厚測定方法 |
JP2762775B2 (ja) * | 1990-06-22 | 1998-06-04 | 松下電器産業株式会社 | 分光測定方法 |
US6748098B1 (en) * | 1998-04-14 | 2004-06-08 | General Electric Company | Algebraic reconstruction of images from non-equidistant data |
JP3536778B2 (ja) | 2000-05-10 | 2004-06-14 | 日本電気株式会社 | ネットワーク及びそれに用いる帯域保証方法 |
JP3963086B2 (ja) * | 2001-07-13 | 2007-08-22 | 株式会社島津製作所 | 断層再構成ソフトウエアとその記録媒体と断層撮影装置 |
JP2003076385A (ja) * | 2001-08-31 | 2003-03-14 | Tama Tlo Kk | 信号分析方法および信号分析装置 |
JP3866211B2 (ja) | 2002-12-26 | 2007-01-10 | 本田技研工業株式会社 | アクチュエータの制御装置 |
CN100518645C (zh) * | 2003-09-29 | 2009-07-29 | Ge医疗系统环球技术有限公司 | 图像重构、投影数据评价方法及计算x线体层照相装置 |
EP3009815B1 (en) * | 2003-10-27 | 2022-09-07 | The General Hospital Corporation | Method and apparatus for performing optical imaging using frequency-domain interferometry |
EP2287632A1 (en) * | 2004-07-23 | 2011-02-23 | Bjorn A. J. Angelsen | Ultrasound imaging using non-linear manipulation of forward propagation properties of a pulse |
US7683827B2 (en) * | 2004-12-15 | 2010-03-23 | Valeo Radar Systems, Inc. | System and method for reducing the effect of a radar interference signal |
JP4421487B2 (ja) * | 2005-01-26 | 2010-02-24 | 株式会社東芝 | 送信信号生成装置、信号処理装置及びアンテナ装置 |
EP2049019A4 (en) * | 2006-08-03 | 2011-11-30 | Univ California | ITERATIVE METHODS FOR DOSE REDUCTION AND IMAGE ENHANCEMENT IN TOMOGRAPHY |
-
2009
- 2009-06-10 CN CN2009101479258A patent/CN101660945B/zh active Active
- 2009-07-29 JP JP2009176314A patent/JP5281511B2/ja not_active Expired - Fee Related
- 2009-08-07 US US12/538,006 patent/US8189958B2/en active Active
- 2009-08-26 DE DE102009038889A patent/DE102009038889B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101660945B (zh) | 2013-02-20 |
CN101660945A (zh) | 2010-03-03 |
US8189958B2 (en) | 2012-05-29 |
DE102009038889B4 (de) | 2013-08-08 |
US20100054626A1 (en) | 2010-03-04 |
JP2010054501A (ja) | 2010-03-11 |
DE102009038889A1 (de) | 2010-05-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5281511B2 (ja) | 高速画像再構築方法 | |
Mukherjee et al. | An iterative algorithm for phase retrieval with sparsity constraints: application to frequency domain optical coherence tomography | |
CN107390216B (zh) | 基于波数域相干因子的高速超分辨率驻点扫描成像方法 | |
WO2018107427A1 (zh) | 相位映射辅助三维成像系统快速对应点匹配的方法及装置 | |
TWI379067B (en) | Measuring device of 3-dimensional shape | |
Feng et al. | A carrier removal technique for Fourier transform profilometry based on principal component analysis | |
CN114894793B (zh) | 基于消除伪影的成像方法、成像系统及服务器 | |
Huang et al. | Applying a Pix2Pix generative adversarial network to a fourier-domain optical coherence tomography system for artifact elimination | |
Kim et al. | Optimization of compute unified device architecture for real-time ultrahigh-resolution optical coherence tomography | |
CN109443250A (zh) | 一种基于s变换的结构光三维面形垂直测量方法 | |
CN101358879A (zh) | 傅立叶域光学相干层析技术中可变插值间隔的插值方法 | |
CN116612170A (zh) | 光学相干层析应变场的复矢量估计方法、设备及存储介质 | |
WO2012061475A2 (en) | Systems and methods for fast magnetic resonance image reconstruction | |
Wang et al. | Dynamic three-dimensional surface reconstruction approach for continuously deformed objects | |
CN102934986A (zh) | 基于gpu平台的眼科频域oct系统和处理方法 | |
Shafer et al. | Adaptive-optics optical coherence tomography processing using a graphics processing unit | |
WO2019051728A1 (zh) | 基于相位映射的折叠相位三维数字成像方法及装置 | |
Bao-qiang et al. | Research on Parallel Algorithms for uv-faceting Imaging | |
US6339469B1 (en) | Method and device for determining the distribution of intensity and phase in a laser beam different cutting planes | |
Sitnik et al. | Processing paths from integrating multimodal 3D measurement of shape, color and BRDF | |
Montgomery et al. | Real-Time and High-Quality Online 4D FF-OCT Using Continuous Fringe Scanning with a High-Speed Camera and FPGA Image Processing | |
CN116402678B (zh) | 超分辨结构光照明显微镜的频谱优化直接重建方法 | |
Fang et al. | Convolutional and fourier neural networks for speckle denoising of wrapped phase in digital holographic interferometry | |
CN112330814B (zh) | 一种基于机器学习的结构光三维重建方法 | |
CN114518654B (zh) | 一种高分辨大景深成像方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20111111 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20111116 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120110 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120829 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121024 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130501 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130524 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 5281511 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |