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DEVICE AND METHOD FOR DETERMINING ACTUAL TISSUE LAYER BOUNDARIES OF A BODY

  • US 20130289409A1
  • Filed: 12/27/2011
  • Published: 10/31/2013
  • Est. Priority Date: 01/05/2011
  • Status: Active Grant
First Claim
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1. Processor for determining actual tissue layer boundaries of a body, from two or more ultrasound images acquired at adjacent positions of a surface of the body comprisinga converter for converting said ultrasound images separately to depth signals, wherein a depth signal is obtained by summing intensities of one of said ultrasound images along a line of substantially constant depth in the body,a detector for detecting a set of candidate tissue layer boundaries for an ultrasound image by thresholding the depth signal obtained for said ultrasound image,a selection means for selecting from a set of candidate tissue layer boundaries a nearest candidate tissue layer boundary that is nearest to the surface of the body, anda processing means for determining an actual tissue layer boundary from the nearest candidate tissue layer boundaries obtained for the two or more ultrasound images.

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