(19)
(11) EP 2 380 498 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
28.01.2015 Bulletin 2015/05

(45) Mention of the grant of the patent:
03.12.2014 Bulletin 2014/49

(21) Application number: 11163392.1

(22) Date of filing: 21.04.2011
(51) International Patent Classification (IPC): 
A61B 8/06(2006.01)
 G01S 15/89(2006.01)

(54)

Adaptive clutter filtering in an ultrasound system

Adaptive Clutterfilterung in einem Ultraschallsystem

Filtrage d'écho adaptatif dans un système à ultrasons

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 26.04.2010 KR 20100038422
03.03.2011 KR 20110018707

(43) Date of publication of application:
26.10.2011 Bulletin 2011/43

(73) Proprietor: Samsung Medison Co., Ltd.
Gangwon-do (KR)

(72) Inventors:
  • Bae, Moo Ho
    138-240, Seoul (KR)
  • Lee, Young Seok
    200-760, Gangwon-do (KR)
  • Park, Sung Bae
    200-060, Gangwon-Do (KR)
  • Lee, Kyoung Bo
    465-816, Gyeonggi-do (KR)

(74) Representative: Schmid, Wolfgang 
Lorenz & Kollegen Patentanwälte Partnerschaftsgesellschaft mbB Alte Ulmer Strasse 2
89522 Heidenheim
89522 Heidenheim (DE)


(56) References cited: : 
   
  • YOUNG BOK AHN ET AL: "ESTIMATION OF MEAN FREQUENCY AND VARIANCE OF ULTRASONIC DOPPLER SIGNAL BY USING SECOND-ORDER AUTOREGRESSIVE MODEL", IEEE TRANSACTIONS ON ULTRASONICS, FERROELECTRICS AND FREQUENCY CONTROL, IEEE, US, vol. 38, no. 3, 1 May 1991 (1991-05-01), pages 172-182, XP000206313, ISSN: 0885-3010, DOI: 10.1109/58.79600
  • XIAOTAO WANG ET AL: "An Novel Clutter Rejection Filters Applied to Wideband Blood Flow Velocity Estimation", ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, 2005. IEEE-EMBS 2005. 27T H ANNUAL INTERNATIONAL CONFERENCE OF THE SHANGHAI, CHINA 01-04 SEPT. 2005, PISCATAWAY, NJ, USA,IEEE, 1 January 2005 (2005-01-01), pages 7289-7292, XP031000887, DOI: 10.1109/IEMBS.2005.1616194 ISBN: 978-0-7803-8741-6
  • PEIDONG WANG ET AL: "An Improved Mean Frequency Estimator for Ultrasonic Color Flow Imaging Using Second-Order Autoregressive Model", ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, 2005. IEEE-EMBS 2005. 27T H ANNUAL INTERNATIONAL CONFERENCE OF THE SHANGHAI, CHINA 01-04 SEPT. 2005, PISCATAWAY, NJ, USA,IEEE, 1 September 2005 (2005-09-01), pages 5643-5646, XP010907173, DOI: 10.1109/IEMBS.2005.1615766 ISBN: 978-0-7803-8741-6
   
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