JP4847004B2 - 分解能適応画像フィルタ処理システム及び方法 - Google Patents
分解能適応画像フィルタ処理システム及び方法 Download PDFInfo
- Publication number
- JP4847004B2 JP4847004B2 JP2004342631A JP2004342631A JP4847004B2 JP 4847004 B2 JP4847004 B2 JP 4847004B2 JP 2004342631 A JP2004342631 A JP 2004342631A JP 2004342631 A JP2004342631 A JP 2004342631A JP 4847004 B2 JP4847004 B2 JP 4847004B2
- Authority
- JP
- Japan
- Prior art keywords
- image
- sampling rate
- image data
- pixel
- pixel sampling
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 56
- 238000001914 filtration Methods 0.000 title description 14
- 230000003044 adaptive effect Effects 0.000 title description 4
- 238000005070 sampling Methods 0.000 claims description 53
- 238000003384 imaging method Methods 0.000 claims description 32
- 238000012545 processing Methods 0.000 claims description 24
- 230000009467 reduction Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 7
- 238000012546 transfer Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 claims description 3
- 238000005315 distribution function Methods 0.000 claims 2
- 238000012952 Resampling Methods 0.000 claims 1
- 238000004422 calculation algorithm Methods 0.000 description 9
- 238000002591 computed tomography Methods 0.000 description 6
- 239000011159 matrix material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000002595 magnetic resonance imaging Methods 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013170 computed tomography imaging Methods 0.000 description 2
- 238000002059 diagnostic imaging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 108010014173 Factor X Proteins 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000002600 positron emission tomography Methods 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
- G06T3/4084—Scaling of whole images or parts thereof, e.g. expanding or contracting in the transform domain, e.g. fast Fourier transform [FFT] domain scaling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/20—Image enhancement or restoration using local operators
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/73—Deblurring; Sharpening
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20004—Adaptive image processing
- G06T2207/20012—Locally adaptive
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20172—Image enhancement details
- G06T2207/20192—Edge enhancement; Edge preservation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Image Processing (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Magnetic Resonance Imaging Apparatus (AREA)
- Studio Circuits (AREA)
Description
70 入力画像
72 フィルタ
74 縮小パラメータを決定する
76 最適サンプリングレートを決定する
78 実サンプリングレートを決定する
80 出力画像
Claims (3)
- 画像データから画像を生成する方法であって、
第1の画素サンプリングレートにて、イメージングシステムを用いて獲得した入力画像を規定するイメージデータを記憶回路にアクセスする段階と、
前記イメージングシステムの点分布関数を決定する段階と、
画像処理回路を用いて、所望のサンプリングレートである前記画像データのための第2の画素サンプリングレートを少なくとも変調伝達関数に基づいて決定する段階であって、前記変調伝達関数は前記点分布関数の周波数応答を採用するものである、前記第2の画素サンプリングレートを決定する段階と、
前記画像処理回路を用いて、縮小パラメータを、前記第1の画素サンプリングレートに対する前記所望のサンプリングレートの比として計算する段階と、
前記画像処理回路により、前記画像データを処理して、前記第1の画素サンプリングレートが前記所望のサンプリングレートよりも大きい場合に、前記画像データにより定義される入力画像を縮小することを特徴とする方法。 - 前記画像データは、該画像データを再サンプリングすることによって処理される請求項1に記載の方法。
- 画像データ取得システムで第1の画素サンプリングレートにて取得した入力画像を規定する画像データを格納するための記憶回路(26)と、
前記記憶回路の前記画像データにアクセスし、所望のサンプリングレートである前記画像データに対する第2の画素サンプリングレートを、前記画像データの取得システムの点分布関数の周波数応答の大きさを採用する変調伝達関数に少なくとも基づいて決定し、さらに縮小パラメータを前記第1の画素サンプリングレートの前記所望のサンプリングレートに対する比として、計算し、前記縮小パラメータが1よりも大きい場合に、前記入力画像を前記縮小パラメータに従って縮小する、処理を行う処理回路(24)と、
を含む画像データを処理するシステム(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/723,791 | 2003-11-26 | ||
US10/723,791 US7590306B2 (en) | 2003-11-26 | 2003-11-26 | Resolution adaptive image filtering system and method |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005160107A JP2005160107A (ja) | 2005-06-16 |
JP2005160107A5 JP2005160107A5 (ja) | 2008-01-17 |
JP4847004B2 true JP4847004B2 (ja) | 2011-12-28 |
Family
ID=34592382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004342631A Active JP4847004B2 (ja) | 2003-11-26 | 2004-11-26 | 分解能適応画像フィルタ処理システム及び方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7590306B2 (ja) |
JP (1) | JP4847004B2 (ja) |
DE (1) | DE102004057031A1 (ja) |
NL (1) | NL1027609C2 (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7755625B2 (en) | 2005-05-04 | 2010-07-13 | Medison Co., Ltd. | Apparatus and method for rendering volume data |
WO2008050320A2 (en) * | 2006-10-23 | 2008-05-02 | Ben Gurion University Of The Negev, Research And Development Authority | Blind restoration of images degraded by isotropic blur |
US8786873B2 (en) | 2009-07-20 | 2014-07-22 | General Electric Company | Application server for use with a modular imaging system |
US8243882B2 (en) | 2010-05-07 | 2012-08-14 | General Electric Company | System and method for indicating association between autonomous detector and imaging subsystem |
US9652821B2 (en) | 2010-09-03 | 2017-05-16 | Digimarc Corporation | Signal processors and methods for estimating transformations between signals with phase deviation |
WO2012031152A1 (en) | 2010-09-03 | 2012-03-08 | Digimarc Corporation | Signal processors and methods for estimating transformations between signals |
DE102011007871B4 (de) * | 2011-04-21 | 2017-07-27 | Siemens Healthcare Gmbh | Verfahren zur Erfassung von MR-Bilddaten sowie entsprechende kombinierte MR/ET-Einrichtung |
CN102749601B (zh) * | 2011-04-22 | 2016-02-10 | 株式会社东芝 | 图像处理装置、图像处理方法、以及磁共振成像装置 |
JP2016127870A (ja) * | 2013-04-23 | 2016-07-14 | 株式会社日立メディコ | X線透視装置 |
CN103400341B (zh) * | 2013-07-03 | 2016-06-29 | 西安电子科技大学 | 基于压缩感知的空谱域联合恢复高光谱数据的方法 |
JP6338469B2 (ja) * | 2014-06-23 | 2018-06-06 | キヤノン株式会社 | 画像処理装置および画像処理方法 |
AU2014250719A1 (en) * | 2014-10-17 | 2016-05-05 | Canon Kabushiki Kaisha | Image processing method, system and apparatus |
CN107924557B (zh) | 2015-07-16 | 2022-04-15 | 数字标记公司 | 用于数字数据提取的估计图像的几何变换的信号处理器和方法 |
US10373299B1 (en) | 2016-05-05 | 2019-08-06 | Digimarc Corporation | Compensating for geometric distortion of images in constrained processing environments |
US10242434B1 (en) | 2016-05-05 | 2019-03-26 | Digimarc Corporation | Compensating for geometric distortion of images in constrained processing environments |
US10783618B2 (en) | 2016-05-05 | 2020-09-22 | Digimarc Corporation | Compensating for geometric distortion of images in constrained processing environments |
DE102018103714A1 (de) | 2018-02-20 | 2019-08-22 | Volume Graphics Gmbh | Verfahren zur Bestimmung von Fehlern von aus digitalen Objektdarstellungen abgeleiteten Parametern |
JP7407062B2 (ja) * | 2020-04-28 | 2023-12-28 | 富士フイルムヘルスケア株式会社 | 磁気共鳴イメージング装置および画像処理方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4517599A (en) * | 1983-01-27 | 1985-05-14 | Hughes Aircraft Company | Resolution enhancement and zoom by degradation estimates |
US5253192A (en) * | 1991-11-14 | 1993-10-12 | The Board Of Governors For Higher Education, State Of Rhode Island And Providence Plantations | Signal processing apparatus and method for iteratively determining Arithmetic Fourier Transform |
US5340988A (en) * | 1993-04-05 | 1994-08-23 | General Electric Company | High resolution radiation imaging system |
US5864394A (en) * | 1994-06-20 | 1999-01-26 | Kla-Tencor Corporation | Surface inspection system |
US6061477A (en) * | 1996-04-18 | 2000-05-09 | Sarnoff Corporation | Quality image warper |
IL119714A0 (en) * | 1996-11-28 | 1997-02-18 | Elscint Ltd | CT system with oblique image planes |
US5919137A (en) * | 1996-12-04 | 1999-07-06 | Acuson Corporation | Ultrasonic diagnostic imaging system with programmable acoustic signal processor |
US5943433A (en) * | 1996-12-30 | 1999-08-24 | General Electric Company | Method for correcting inhomogeneity of spatial intensity in an aquired MR image |
US6748098B1 (en) * | 1998-04-14 | 2004-06-08 | General Electric Company | Algebraic reconstruction of images from non-equidistant data |
WO1999053440A2 (en) * | 1998-04-14 | 1999-10-21 | Ge Medical Systems Mr Israel | Algebraic reconstruction of images from non-equidistant data |
US6248988B1 (en) * | 1998-05-05 | 2001-06-19 | Kla-Tencor Corporation | Conventional and confocal multi-spot scanning optical microscope |
US6340994B1 (en) * | 1998-08-12 | 2002-01-22 | Pixonics, Llc | System and method for using temporal gamma and reverse super-resolution to process images for use in digital display systems |
US7254199B1 (en) * | 1998-09-14 | 2007-08-07 | Massachusetts Institute Of Technology | Location-estimating, null steering (LENS) algorithm for adaptive array processing |
US6567570B1 (en) * | 1998-10-30 | 2003-05-20 | Hewlett-Packard Development Company, L.P. | Optical image scanner with internal measurement of point-spread function and compensation for optical aberrations |
US6377162B1 (en) * | 1998-11-25 | 2002-04-23 | Ge Medical Systems Global Technology Company, Llc | Medical diagnostic field service method and apparatus |
US6973210B1 (en) * | 1999-01-12 | 2005-12-06 | Microsoft Corporation | Filtering image data to obtain samples mapped to pixel sub-components of a display device |
EP1161739B1 (en) * | 1999-01-12 | 2008-08-27 | Microsoft Corporation | Filtering image data to obtain samples mapped to pixel sub-components of a display device |
GB9904692D0 (en) * | 1999-03-01 | 1999-04-21 | Isis Innovation | X-ray image processing |
US6708309B1 (en) * | 1999-03-11 | 2004-03-16 | Roxio, Inc. | Method and system for viewing scalable documents |
GB2356757B (en) * | 1999-11-29 | 2004-02-04 | Seos Displays Ltd | Image display apparatus |
US6314160B1 (en) * | 1999-12-17 | 2001-11-06 | General Electric Company | Method and apparatus for performing fluoroscopic noise reduction |
US6973219B2 (en) * | 2001-11-21 | 2005-12-06 | Ge Medical Systems Global Technology Company, Llc | Segmentation driven image noise reduction filter |
US6963670B2 (en) * | 2001-11-21 | 2005-11-08 | Ge Medical Systems Global Technology Company, Llc | CT dose reduction filter with a computationally efficient implementation |
JP2004021345A (ja) * | 2002-06-12 | 2004-01-22 | Toshiba Corp | 画像処理装置及びその方法 |
-
2003
- 2003-11-26 US US10/723,791 patent/US7590306B2/en not_active Expired - Fee Related
-
2004
- 2004-11-25 DE DE102004057031A patent/DE102004057031A1/de not_active Withdrawn
- 2004-11-26 JP JP2004342631A patent/JP4847004B2/ja active Active
- 2004-11-26 NL NL1027609A patent/NL1027609C2/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NL1027609A1 (nl) | 2005-05-27 |
US7590306B2 (en) | 2009-09-15 |
JP2005160107A (ja) | 2005-06-16 |
DE102004057031A1 (de) | 2005-06-23 |
US20050111760A1 (en) | 2005-05-26 |
NL1027609C2 (nl) | 2007-02-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4847004B2 (ja) | 分解能適応画像フィルタ処理システム及び方法 | |
JP3995854B2 (ja) | 画像処理方法および装置並びに記録媒体 | |
US6754398B1 (en) | Method of and system for image processing and recording medium for carrying out the method | |
US6592523B2 (en) | Computationally efficient noise reduction filter for enhancement of ultrasound images | |
EP1383082A2 (en) | Interpolated image filtering method and apparatus | |
US7929746B2 (en) | System and method for processing imaging data | |
JP2012524329A (ja) | 多重尺度画像の正規化及び強調 | |
CN111311704A (zh) | 图像重建方法、装置、计算机设备和存储介质 | |
JP2014505491A (ja) | 医療用画像の非線形分解能の低減 | |
JP2000011170A (ja) | 離散的ピクセル画像を強調する方法及び装置 | |
JP2002269556A (ja) | デジタル画像からノイズを除去する複数解像度に基づく方法 | |
US7623723B2 (en) | Method for random point and patterned noise reduction in digital images | |
US20080107352A1 (en) | System and Method for Structure Enhancement and Noise Reduction in Medical Images | |
JP2001167264A (ja) | 画像処理方法および装置並びに記録媒体 | |
US8098950B2 (en) | Method and apparatus for segmentation-based image operations | |
JP3738791B2 (ja) | 画像処理方法および装置 | |
Paranjape | Fundamental enhancement techniques | |
US20130089246A1 (en) | Task oriented noise suppression in medical images | |
JP2022064389A (ja) | 画像処理装置、画像処理方法およびプログラム | |
US20060008174A1 (en) | Count adaptive noise reduction method of x-ray images | |
JPH10105701A (ja) | 放射線画像強調処理方法および装置 | |
JP4316106B2 (ja) | 画像処理方法および装置並びに記録媒体 | |
JP4267159B2 (ja) | 画像処理方法および装置並びに記録媒体 | |
Robinson et al. | Efficient restoration and enhancement of super-resolved X-ray images | |
Ahmadi et al. | Edge-preserving MRI super resolution using a high frequency regularization technique |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071122 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071122 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100126 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20100423 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20100423 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20100423 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20100428 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100726 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100730 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20101214 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110324 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20110329 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110705 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110831 |
|
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: 20110920 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20111013 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20141021 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 Ref document number: 4847004 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 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |