JP5636298B2 - 超音波診断装置 - Google Patents
超音波診断装置 Download PDFInfo
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- JP5636298B2 JP5636298B2 JP2011012701A JP2011012701A JP5636298B2 JP 5636298 B2 JP5636298 B2 JP 5636298B2 JP 2011012701 A JP2011012701 A JP 2011012701A JP 2011012701 A JP2011012701 A JP 2011012701A JP 5636298 B2 JP5636298 B2 JP 5636298B2
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/5269—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves involving detection or reduction of artifacts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
- G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
- G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
- G01S15/8915—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using a transducer array
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52023—Details of receivers
- G01S7/52033—Gain control of receivers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52046—Techniques for image enhancement involving transmitter or receiver
- G01S7/52047—Techniques for image enhancement involving transmitter or receiver for elimination of side lobes or of grating lobes; for increasing resolving power
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52046—Techniques for image enhancement involving transmitter or receiver
- G01S7/52049—Techniques for image enhancement involving transmitter or receiver using correction of medium-induced phase aberration
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52017—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging
- G01S7/52077—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00 particularly adapted to short-range imaging with means for elimination of unwanted signals, e.g. noise or interference
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/18—Methods or devices for transmitting, conducting or directing sound
- G10K11/26—Sound-focusing or directing, e.g. scanning
- G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
- G10K11/341—Circuits therefor
- G10K11/346—Circuits therefor using phase variation
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Life Sciences & Earth Sciences (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Biophysics (AREA)
- Multimedia (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Description
GCF=(DC付近成分としての部分的パワー)/(パワースペクトル全体のパワー)…(1)
+1 if si ≧ 0 …(2)
Claims (5)
- 複数の振動素子からなるアレイ振動子と、
前記複数の振動素子から出力された複数の素子受信信号に対して遅延処理を行う遅延処理部と、
前記遅延処理後の複数の素子受信信号に対して加算処理を行って受信信号を出力する加算処理部と、
前記遅延処理後且つ前記加算処理前の複数の素子受信信号から、素子配列方向に並んだ複数の符号データからなる符号データ列を取り出す手段と、
前記符号データ列のパワースペクトルにおけるゼロ周波数から所定周波数までの区間内のパワー成分である直流付近成分に基づいて評価値を演算する評価値演算部と、
前記評価値を用いて前記受信信号の利得を調整する利得調整部と、
を含むことを特徴とする超音波診断装置。 - 請求項1記載の装置において、
前記評価値演算部は、前記直流付近成分を作動振動素子数を用いて規格化することにより前記評価値を演算する、ことを特徴とする超音波診断装置。 - 請求項1記載の装置において、
前記複数の素子受信信号に対して重み付け処理を行う手段を含み、
前記評価値演算部は前記各素子受信信号に対して与えられる重み値に従って前記評価値を演算する、ことを特徴とする超音波診断装置。 - 請求項1記載の装置において、
前記符号データ列を取り出す手段は、前記複数の素子受信信号から複数の符号ビットを取り出すことによって前記符号データ列を取り出す、ことを特徴とする超音波診断装置。 - 請求項1記載の装置において、
前記符号データ列を取り出す手段は、
前記複数の素子受信受信信号からそれらの瞬時振幅値で構成される振幅値分布を取り出す手段と、
前記振幅値分布をヒステリシス特性をもって二値化処理することにより前記符号データ列を取得する手段と、
を含むことを特徴とする超音波診断装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011012701A JP5636298B2 (ja) | 2011-01-25 | 2011-01-25 | 超音波診断装置 |
EP11007977.9A EP2479587B1 (en) | 2011-01-25 | 2011-09-30 | Ultrasonic diagnosis apparatus |
US13/251,487 US9339258B2 (en) | 2011-01-25 | 2011-10-03 | Ultrasonic diagnosis apparatus |
CN201110315120.7A CN102599929B (zh) | 2011-01-25 | 2011-10-11 | 超声波诊断装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011012701A JP5636298B2 (ja) | 2011-01-25 | 2011-01-25 | 超音波診断装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012152311A JP2012152311A (ja) | 2012-08-16 |
JP2012152311A5 JP2012152311A5 (ja) | 2014-02-06 |
JP5636298B2 true JP5636298B2 (ja) | 2014-12-03 |
Family
ID=44983411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011012701A Active JP5636298B2 (ja) | 2011-01-25 | 2011-01-25 | 超音波診断装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US9339258B2 (ja) |
EP (1) | EP2479587B1 (ja) |
JP (1) | JP5636298B2 (ja) |
CN (1) | CN102599929B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103565469B (zh) * | 2012-08-01 | 2015-05-20 | 华中科技大学 | 一种提高二维阵列实时超声体成像质量的方法 |
JP5504357B1 (ja) * | 2013-01-09 | 2014-05-28 | 日立アロカメディカル株式会社 | 超音波診断装置 |
JP5602914B1 (ja) * | 2013-07-10 | 2014-10-08 | 日立アロカメディカル株式会社 | 超音波診断装置 |
GB201314483D0 (en) | 2013-08-13 | 2013-09-25 | Dolphitech As | Ultrasound testing |
GB201316656D0 (en) * | 2013-09-19 | 2013-11-06 | Dolphitech As | Sensing apparatus using multiple ultrasound pulse shapes |
US10107901B2 (en) * | 2014-02-18 | 2018-10-23 | Sound Technology Inc. | Acoustic signal phase rotation processor |
KR101569673B1 (ko) * | 2014-10-14 | 2015-11-18 | 대진대학교 산학협력단 | 초음파 영상의 부엽 저감 방법 |
DE102014015896A1 (de) * | 2014-10-28 | 2016-04-28 | Drägerwerk AG & Co. KGaA | Einrichtung zur Erfassung von elektrischen Potentialen |
KR102591262B1 (ko) * | 2021-12-27 | 2023-10-19 | 강원대학교산학협력단 | 초음파 영상 생성 장치 및 방법 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6290542A (ja) * | 1985-10-16 | 1987-04-25 | Omron Tateisi Electronics Co | 2値化回路 |
JPS62161072A (ja) * | 1986-01-10 | 1987-07-17 | Mitsubishi Heavy Ind Ltd | 障害物検出センサ |
US4815047A (en) * | 1986-06-20 | 1989-03-21 | Hewlett-Packard Company | Synthetic focus annular array transducer |
US5369624A (en) | 1993-03-26 | 1994-11-29 | Siemens Medical Systems, Inc. | Digital beamformer having multi-phase parallel processing |
US6867720B1 (en) | 1997-10-06 | 2005-03-15 | The Regents Of The University Of Michigan | Beamformed ultrasonic imager with delta-sigma feedback control |
JPH11113893A (ja) * | 1997-10-08 | 1999-04-27 | Aloka Co Ltd | 超音波診断装置 |
KR100334437B1 (ko) * | 1998-11-18 | 2002-09-26 | 삼성전자 주식회사 | 광디스크시스템의재생신호애시메트리보정장치 |
US6436044B1 (en) | 2000-02-14 | 2002-08-20 | Siemens Medical Solutions Usa, Inc. | System and method for adaptive beamformer apodization |
JP2003290222A (ja) * | 2002-03-29 | 2003-10-14 | Fuji Photo Film Co Ltd | 超音波撮像装置及び超音波撮像方法 |
US7744532B2 (en) * | 2004-03-31 | 2010-06-29 | Siemens Medical Solutions Usa, Inc. | Coherence factor adaptive ultrasound imaging methods and systems |
US20060173313A1 (en) * | 2005-01-27 | 2006-08-03 | Siemens Medical Solutions Usa, Inc. | Coherence factor adaptive ultrasound imaging |
JP5260897B2 (ja) * | 2007-06-22 | 2013-08-14 | 日立アロカメディカル株式会社 | 超音波診断装置 |
US7508737B1 (en) | 2007-11-07 | 2009-03-24 | Aloka Co., Ltd. | Ultrasound receive beamformer |
ES2332637B1 (es) | 2008-08-08 | 2010-12-01 | Consejo Superior De Investigacion Cientifica (Csic) | Procedimiento y aparato para la correccion de imagenes ultrasonicas por analisis de fase. |
-
2011
- 2011-01-25 JP JP2011012701A patent/JP5636298B2/ja active Active
- 2011-09-30 EP EP11007977.9A patent/EP2479587B1/en not_active Not-in-force
- 2011-10-03 US US13/251,487 patent/US9339258B2/en active Active
- 2011-10-11 CN CN201110315120.7A patent/CN102599929B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
EP2479587B1 (en) | 2016-11-09 |
US20120190985A1 (en) | 2012-07-26 |
CN102599929A (zh) | 2012-07-25 |
CN102599929B (zh) | 2014-12-17 |
EP2479587A1 (en) | 2012-07-25 |
US9339258B2 (en) | 2016-05-17 |
JP2012152311A (ja) | 2012-08-16 |
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