KR950700029A - 초음파진단장치(ultrasonic diagnostic apparatus) - Google Patents

초음파진단장치(ultrasonic diagnostic apparatus)

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Publication number
KR950700029A
KR950700029A KR1019940702576A KR19940702576A KR950700029A KR 950700029 A KR950700029 A KR 950700029A KR 1019940702576 A KR1019940702576 A KR 1019940702576A KR 19940702576 A KR19940702576 A KR 19940702576A KR 950700029 A KR950700029 A KR 950700029A
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KR
South Korea
Prior art keywords
data
pixel
weight function
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quot
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Application number
KR1019940702576A
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English (en)
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KR100248068B1 (ko
Inventor
쇼오이치 우에하라
다이 모리타
Original Assignee
가와세 신이치
지아요코가와 메디갈시스템 가부시끼가이샤
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Publication of KR950700029A publication Critical patent/KR950700029A/ko
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Publication of KR100248068B1 publication Critical patent/KR100248068B1/ko

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
    • 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
    • G01S15/8979—Combined Doppler and pulse-echo imaging systems
    • 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
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7864—T.V. type tracking systems
    • 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
    • G01S7/52025—Details of receivers for pulse systems
    • G01S7/52026—Extracting wanted echo signals
    • G01S7/52028—Extracting wanted echo signals using digital techniques
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Pathology (AREA)
  • Molecular Biology (AREA)
  • Biophysics (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Image Processing (AREA)

Abstract

본 발명의 목적은, 동일 프레임내에 있어서 움지이고 있는 부분과 움직이고 있지 않은 부분을 검지하고, 각각에 적절한 가산 평균계수를 선택함으로써, 화상의 추종성을 양호하게 하면서, 충분한 노이즈 제거성능을 유지할 수 있는 초음파진단장치를 실현하는 것이다.
상기의 과제를 해결하는 본 발명은, 전회 입력된 수신신호인 구 데이터를 격납하는 프레임 메모리와, 금회 입력된 수신신호인 신 데이터와, 상기 프레임 메모리로부터 판독 출력되는 구 데이터와의 차의 절대치인 차 데이터를 픽셀마다 구하고, 상기 신 데이터 또는 상기 구 데이터와 상기 차 데이터와의 함수인 웨이트함수로서의 가산 평균계수의 “”및 “1-”를 산출하는 웨이트함수 발생기와, 상기 신 데이터와 상기 웨이트함수 발생기의 출력데이터 “1-”를 픽셀마다 승산연산을 하는 신 데이터 승산기와, 상기 프레임 메모리로부터 판독출력되는 상기 구 데이터와 상기 웨이트함수 발생기의 출력데이터 “

Description

초음파진단장치(ULTRASONIC DIAGANOSTIC APPARATUS)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1 도는 본 발명의 1실시예의 장치의 블록도, 제 2 도는 실시예의 장치의 동작의 플로챠트, 제 3 도는 웨이트 함수의 신 데이터와 차 데이터의 값에 대한 값을 나타내는 그라프이다.

Claims (1)

  1. 프레임 마다의 화상데이터의 변화를 스무즈하게 하기 위한 프레임가 평균처리동작을 하는 초음파 진단 장치에 있어서, 전회 입력된 수신신호인 구 데이터(AO)를 격납하는 프레임 메모리(5)와, 금회 입력된 수신신호인 신 데이터(AN)과, 상기 프레임 메모리(5)로부터 판독출력되는 구 데이터(AO)와의 차의 절대치인 차 데이터(｜AO-AN｜)를 픽셀마다 구하고, 상기 신 데이터(AN) 또는 상기 구 데이터(AO)와의 상기 차 데이터(｜AO-AN｜)와의 함수인 웨이트함수로서의 가산평균계수의 “”및 “1-” 를 산출하는 웨이트함수 발생기(7)과, 상기 신 데이터(AN)과 상기 웨이트함수 발생기(7)의 출력데이터 “1-”를 픽셀마다 승산연산을 하는 신 데이터 승산기(6)과, 상기 프레임 메모리(5)로부터 판독출력되는 상기 구 데이터(AO)와 상기 웨이트함수 발생기(7)의 출력데이터 “”를 픽셀마다 승산연산을 하는 구 데이타 승산기(8)과, 상기 신 데이터 승산기(6)의 출력데이터와 상기 구 데이터승산기(8)의 출력데이터를 가산하는 가산기(9)를 구비하는 것을 특징으로 하는 초음파진단장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019940702576A 1992-02-12 1993-02-10 초음파진단장치 KR100248068B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP92-25474 1992-02-12
JP02547492A JP3264963B2 (ja) 1992-02-12 1992-02-12 超音波診断装置
PCT/JP1993/000190 WO1993015659A1 (en) 1992-02-12 1993-02-10 Ultrasonic diagnostic apparatus

Publications (2)

Publication Number Publication Date
KR950700029A true KR950700029A (ko) 1995-01-16
KR100248068B1 KR100248068B1 (ko) 2000-03-15

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Country Status (6)

Country Link
US (1) US5495846A (ko)
EP (1) EP0629378B1 (ko)
JP (1) JP3264963B2 (ko)
KR (1) KR100248068B1 (ko)
DE (1) DE69332241T2 (ko)
WO (1) WO1993015659A1 (ko)

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US5595179A (en) * 1995-05-02 1997-01-21 Acuson Corporation Adaptive persistence processing
JP3746119B2 (ja) * 1996-10-25 2006-02-15 株式会社東芝 超音波診断装置
US7789841B2 (en) * 1997-02-06 2010-09-07 Exogen, Inc. Method and apparatus for connective tissue treatment
US7108663B2 (en) * 1997-02-06 2006-09-19 Exogen, Inc. Method and apparatus for cartilage growth stimulation
ATE342102T1 (de) * 1998-05-06 2006-11-15 Exogen Inc Ultraschallbandagen
JP2002521082A (ja) 1998-07-21 2002-07-16 アコースティック・サイエンシズ・アソシエイツ 生物組織器官の合成構造的像形成及び容量推定
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KR101124759B1 (ko) * 2009-11-17 2012-03-23 삼성메디슨 주식회사 엔트로피 정보에 기초하여 초음파 영상의 화질을 개선시키는 초음파 시스템 및 방법
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Also Published As

Publication number Publication date
EP0629378A4 (en) 1999-03-10
JP3264963B2 (ja) 2002-03-11
JPH05220138A (ja) 1993-08-31
US5495846A (en) 1996-03-05
EP0629378B1 (en) 2002-08-28
KR100248068B1 (ko) 2000-03-15
DE69332241D1 (de) 2002-10-02
EP0629378A1 (en) 1994-12-21
WO1993015659A1 (en) 1993-08-19
DE69332241T2 (de) 2003-04-30

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