JP4767522B2 - 単一送信ゴレイ符号化励起のための方法及び装置 - Google Patents
単一送信ゴレイ符号化励起のための方法及び装置 Download PDFInfo
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- JP4767522B2 JP4767522B2 JP2004315270A JP2004315270A JP4767522B2 JP 4767522 B2 JP4767522 B2 JP 4767522B2 JP 2004315270 A JP2004315270 A JP 2004315270A JP 2004315270 A JP2004315270 A JP 2004315270A JP 4767522 B2 JP4767522 B2 JP 4767522B2
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- ultrasound
- echo
- signals
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- ultrasonic
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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
- G01S15/8959—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes
- G01S15/8961—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes using pulse compression
-
- 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
- G01S15/8959—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using coded signals for correlation purposes
-
- 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
- G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
-
- 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
- G01S7/52085—Details related to the ultrasound signal acquisition, e.g. scan sequences
- G01S7/52095—Details related to the ultrasound signal acquisition, e.g. scan sequences using multiline receive beamforming
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Transducers For Ultrasonic Waves (AREA)
Description
15 アナログ・インターフェース
70 ディジタル母線
75 表示装置
200 超音波イメージング方法
400 単一送信ゴレイ符号化方法
800 ゴレイ符号化励起イメージング・システム
825 送信/受信スイッチ
830 トランスデューサ
Claims (10)
- 超音波ビームの符号化励起方法(400)であって、
第1の超音波ビームをゴレイ符号を含む第1の符号で符号化する段階と、
第2の超音波ビームを、前記第1の符号に相補的なゴレイ符号を含む第2の符号で符号化する段階と、
第1の経路にて前記第1の超音波ビームを、前記第1の経路に空間的に隣接した第2の経路にて前記第2の超音波ビームを、単一の送信により、送信する段階(410,440)と、
前記第1及び第2の超音波ビームからのエコー信号を受け取る段階(420,450)と、
前記第1及び第2の超音波ビームからの前記エコー信号を処理して超音波ラインを形成し、
さらに、隣り合った走査ラインからの隣接するエコー信号について、横方向のフィルタ処理を行うことを特徴とする超音波ビームの符号化励起方法(400)。 - 更に、前記エコー信号に、整合フィルタ処理を施す段階(430,460)を含むことを特徴とする請求項1記載の方法(400)。
- 前記横方向のフィルタ処理は、横方向の平均化フィルタ処理と高次の有限インパルス応答フィルタ処理との少なくとも一方のフィルタ処理であることを特徴とする請求項1の方法。
- 前記第1と第2の経路が同一である場合に、前記第1と第2の超音波ビームは、第1と第2の送信焦点区域で符号化され、そして、前記第1と第2の経路上に送信されることを特徴とする請求項1の方法。
- さらに、
前記第1と第2の超音波ビームからの前記エコー信号を整合フィルタ処理する段階と、
前記第1と第2の送信焦点区域間で平均化処理を行う段階とを具備することを特徴とする請求項4に記載の方法。 - 信号の単一送信符号化励起方法(400)であって、
複数の信号の各々を、複数の相補的ゴレイ符号の内の1つの相補的ゴレイ符号により、符号化する段階と、
前記複数の信号を、空間的に隣接した複数の経路から、単一送信で、送信する段階(410,440,470)と、
前記複数の信号から生成されたエコー信号を処理して超音波ラインを形成する段階(430,460)と、を含み、
さらに、隣り合った走査ラインからの隣接するエコー信号について、横方向のフィルタ処理を行う、単一送信符号化励起方法(400)。 - 更に、前記エコー信号をフィルタ処理する段階を含んでいる請求項6記載の方法(400)。
- 送信符号化超音波信号を用いたの改良超音波イメージング・システム(800)であって、
複数の超音波信号用の複数の波形を発生し、前記複数の波形と前記複数の超音波信号の各々を単一の相補性ゴレイ符号により符号化する波形発生器(810)と、
前記波形に基づいた超音波ビームを、互いに空間的に隣接した複数のビーム経路に沿って単一送信で送信して、前記超音波ビームに応答したエコー送信を受け取るトランスデューサ(830)と、
前記エコー信号を画像データに変換すると共に、前記エコー信号を処理して超音波ラインを形成する復号器(840)と、
隣り合った走査ラインからの隣接するエコー信号について、横方向のフィルタ処理を行うフィルタと、
を具備する改良超音波イメージング・システム(800)。 - マルチライン・ビームフォーマを含むビームフォーマ(820,835)を更に含んでおり、前記マルチライン・ビームフォーマが超音波信号に応答した複数のエコー信号を受信する、請求項8記載のシステム(800)。
- 前記波形発生器(810)は第1及び第2の超音波ビームを第1及び第2の相補的ゴレイ符号で符号化し、前記トランスデューサ(830)は前記第1及び第2の超音波ビームを一ビーム経路に沿った第1及び第2の焦点区域に送信し、前記復号器(840)は前記第1及び第2の超音波ビームに応答して受信したエコー信号を整合フィルタ処理すると共に、前記第1及び第2の焦点区域の間で前記エコー信号を平均する、請求項8記載のシステム(800)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/697,215 | 2003-10-30 | ||
US10/697,215 US20050096544A1 (en) | 2003-10-30 | 2003-10-30 | Method and apparatus for single transmission Golay coded excitation |
Publications (2)
Publication Number | Publication Date |
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JP2005131407A JP2005131407A (ja) | 2005-05-26 |
JP4767522B2 true JP4767522B2 (ja) | 2011-09-07 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004315270A Expired - Fee Related JP4767522B2 (ja) | 2003-10-30 | 2004-10-29 | 単一送信ゴレイ符号化励起のための方法及び装置 |
Country Status (2)
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US (1) | US20050096544A1 (ja) |
JP (1) | JP4767522B2 (ja) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7535797B2 (en) * | 2006-06-20 | 2009-05-19 | Rehabtek | High-resolution ultrasound displacement measurement apparatus and method |
US8942210B2 (en) * | 2008-11-12 | 2015-01-27 | Qualcomm Incorporated | Method and apparatus for channel access in a wireless communications system |
CN102753104B (zh) | 2009-11-09 | 2016-03-09 | 索诺赛特公司 | 增强波束的系统和方法 |
KR101773993B1 (ko) * | 2010-02-19 | 2017-09-01 | 시게이트 테크놀로지 인터내셔날 | 에러 보상 방법 및 그 방법을 이용하는 송수신 시스템 |
KR20140040679A (ko) * | 2010-11-15 | 2014-04-03 | 인디언 인스티튜트 오브 테크놀로지 카라그푸르 | 향상된 초음파 이미징 시스템의 스펙클 저감/억제를 위한 향상된 초음파 이미징 방법/기술 |
TWI403784B (zh) * | 2010-12-31 | 2013-08-01 | Pai Chi Li | 光聲成像系統、編碼雷射發射裝置與光聲訊號接收裝置 |
TWI446897B (zh) * | 2011-08-19 | 2014-08-01 | Ind Tech Res Inst | 超音波影像對齊裝置及其方法 |
JP6339170B2 (ja) * | 2013-03-13 | 2018-06-06 | ジンヒョン パーク | 回転式血管内超音波装置から画像を生成するためのシステム及び方法 |
US11529124B2 (en) * | 2015-03-31 | 2022-12-20 | Samsung Electronics Co., Ltd. | Artifact removing method and diagnostic apparatus using the same |
CN110811693A (zh) * | 2019-12-05 | 2020-02-21 | 中国医学科学院生物医学工程研究所 | 20MHz眼科超声波成像方法、装置及设备 |
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US6095977A (en) * | 1998-03-26 | 2000-08-01 | Hall; Anne Lindsay | Method and apparatus for color flow imaging using Golay-coded excitation on transmit and pulse compression on receive |
US6312384B1 (en) * | 1998-03-31 | 2001-11-06 | General Electric Company | Method and apparatus for flow imaging using golay codes |
US6113545A (en) * | 1998-04-20 | 2000-09-05 | General Electric Company | Ultrasonic beamforming with improved signal-to-noise ratio using orthogonal complementary sets |
US5984869A (en) * | 1998-04-20 | 1999-11-16 | General Electric Company | Method and apparatus for ultrasonic beamforming using golay-coded excitation |
US6159153A (en) * | 1998-12-31 | 2000-12-12 | Duke University | Methods and systems for ultrasound scanning using spatially and spectrally separated transmit ultrasound beams |
US5980458A (en) * | 1999-01-15 | 1999-11-09 | Hewlett-Packard Company | Data acquisition in ultrasonic imaging systems using multiple, parallel receive and transmit lines |
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KR100393370B1 (ko) * | 2001-04-25 | 2003-07-31 | 주식회사 메디슨 | 직교 골레이 코드를 이용하는 초음파 영상 형성 방법 및장치 |
JP2003010178A (ja) * | 2001-07-03 | 2003-01-14 | Toshiba Corp | 超音波診断装置 |
KR100406098B1 (ko) * | 2001-12-26 | 2003-11-14 | 주식회사 메디슨 | 가중된 직교 쳐프 신호를 이용한 동시 다중 송신 집속기반의 초음파 영상 형성 장치 및 방법 |
US6796944B2 (en) * | 2002-05-17 | 2004-09-28 | Ge Medical Systems Global Technology, Llc | Display for subtraction imaging techniques |
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JP4269145B2 (ja) * | 2003-01-07 | 2009-05-27 | 株式会社日立メディコ | 超音波診断装置 |
US7037265B2 (en) * | 2003-09-09 | 2006-05-02 | Ge Medical Systems Global Technology Company, Llc | Method and apparatus for tissue harmonic imaging with natural (tissue) decoded coded excitation |
US8490489B2 (en) * | 2006-11-10 | 2013-07-23 | Siemens Medical Solutions Usa, Inc. | Transducer array imaging system |
-
2003
- 2003-10-30 US US10/697,215 patent/US20050096544A1/en not_active Abandoned
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2004
- 2004-10-29 JP JP2004315270A patent/JP4767522B2/ja not_active Expired - Fee Related
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JP2005131407A (ja) | 2005-05-26 |
US20050096544A1 (en) | 2005-05-05 |
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