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COMPUTERIZED CHARACTERIZATION OF CARDIAC MOTION IN MEDICAL DIAGNOSTIC ULTRASOUND

  • US 20120078097A1
  • Filed: 09/16/2011
  • Published: 03/29/2012
  • Est. Priority Date: 09/27/2010
  • Status: Active Grant
First Claim
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1. A method for computerized characterization of cardiac motion from ultrasound data in an automatic manner, the method comprising:

  • obtaining a sequence of frames of ultrasound data, the frames representing a volume of a patient at different times;

    identifying, with a processor, a myocardium in a first frame;

    estimating, with the processor, non-rigid deformation of a myocardium through the sequence, the estimating being a function of a machine-learned model of the intensity, speckle patterns, or intensity and speckle patterns specific to the left ventricle myocardium using discriminative classifiers, the machine-learned model comprising a motion prior, and being a function of volumetric tracking of the myocardium from the first frame to a second frame of the sequence of the frames; and

    calculating, with the processor, a first myocardial mechanical quantity as a function of the non-rigid deformation, the first myocardial mechanical quantity projected to a Cartesian coordinate system and a local heart coordinate system.

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