发明名称 |
Method for estimating tissue velocity vectors and tissue deformation from ultrasonic diagnostic imaging data |
摘要 |
A method is disclosed for estimating tissue velocity vectors and oriented strain from ultrasonic diagnostic imaging data. Reference points are defined from evaluation of image data derived from reflected ultrasonic beams in order to determine the direction of motion and the velocity vector of the reference points. The velocity of motion for corresponding reference points between two successive image frames is determined by applying a particle image velocimetry technique. Components of the tissue strain is then obtained from time integration of the strain-rate that is determined from the gradient of velocity estimated from the velocity data in two or more reference points.
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申请公布号 |
US2005070798(A1) |
申请公布日期 |
2005.03.31 |
申请号 |
US20040957150 |
申请日期 |
2004.09.30 |
申请人 |
PEDRIZZETTI GIANNI;TONTI GIOVANNI |
发明人 |
PEDRIZZETTI GIANNI;TONTI GIOVANNI |
分类号 |
A61B8/08;G01S15/58;G06T7/20;(IPC1-7):A61B8/00 |
主分类号 |
A61B8/08 |
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