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Ultrasonic diagnostic arrangements selecting parameters for selecting relevant estimation data for classifying an elasticity image

  • US 8,718,339 B2
  • Filed: 03/31/2009
  • Issued: 05/06/2014
  • Est. Priority Date: 03/31/2008
  • Status: Active Grant
First Claim
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1. An ultrasonic diagnostic apparatus having an analyzing tool for analyzing lesion information of a tissue of an object by using RF signal frame data obtained from the object, the analyzing tool comprising:

  • a displacement data calculating means for calculating displacement data by using RF signal frame data obtained in time-series;

    an elasticity data calculating means for calculating elasticity data comprising at least one of distortion and elasticity modulus at each point of a cross-section of an object as an examination target by using the displacement data;

    an elasticity image generating means for generating elasticity image data of the cross-section of the object from the elasticity data;

    an estimation data generating means for analyzing the elasticity data and an elasticity image, and generating plural estimation data containing a histogram of the elasticity data, statistical processing data and shape complexity of a diseased tissue;

    an estimation data selecting means for selecting parameters concerning estimation data relevant for classifying the elasticity image; and

    a multivariate analyzing means configured to classify the elasticity image into two or more groups by using the estimation data of parameters selected by the estimation data selecting means.

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