Angiocarpy image reconstruction method and system based on implicit deformable model

A deformation model and cardiovascular technology, which is applied in the field of medical image processing, can solve problems such as poor calculation stability, and achieve the effect of simple operation and stable calculation results

Active Publication Date: 2018-11-06
HANGZHOU ARTERYFLOW TECH CO LTD
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[0004] The purpose of the present invention is to provide a cardiovascular image reconstruction method and system based on an implicit deformable model, which solves the common problem of poor calculation st

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  • Angiocarpy image reconstruction method and system based on implicit deformable model
  • Angiocarpy image reconstruction method and system based on implicit deformable model
  • Angiocarpy image reconstruction method and system based on implicit deformable model

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[0043] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0044] Such as figure 1 As shown, the embodiment of the present invention discloses a cardiovascular image reconstruction method based on an implicit deformable model. The implicit deformable model is essentially a partial differential equation. The above cardiovascular image reconstruction method includes the following steps:

[0045] In step S101, a three-dimensional image of the human heart is obtained, and the embedded function partial differential equation is constructed using the parameters of the three-dimensional image of the heart. The three-dimensional image of the heart in this embo...

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Abstract

The present invention provides an angiocarpy image reconstruction method and system based on an implicit deformable model. The method comprises the steps of: obtaining a human body heart three-dimensional image, and employing the parameters of the human body heart three-dimensional image to construct a nested function partial differential equation; employing a combination mode of a fast marching method and a collision forward method to initialize angiocarpy aorta images and coronary artery images, perform swelling, smoothing and convection processing, solve the nested function partial differential equation and obtain a reconstructed angiocarpy three-dimensional image; and employing marching cubes to perform processing of the reconstructed angiocarpy three-dimensional image to obtain an angiocarpy three-dimensional model. The method and the system solve the problem that the calculation stability is poor in a current angiocarpy image reconstruction method, achieve rapidly and accuratelysegment required areas on the premise of ensuring the calculation result stability, are simple to operate and facilitate later calculation of the hydromechanics analysis.

Description

Technical field [0001] The present invention relates to the technical field of medical image processing, and more specifically, to a cardiovascular image reconstruction method and system based on an implicit deformable model. Background technique [0002] With the continuous development of computational hemodynamics (CFD), people have found that hemodynamics is closely related to the formation, development and treatment of cardiovascular diseases. In recent years, the study of hemodynamics in the cardiovascular system has been a hot spot in biomechanics and biomedical engineering. Many research scholars try to apply computational hemodynamics technology to the cardiovascular field, by obtaining some blood flow characteristics, it is used to assist in the diagnosis of cardiovascular diseases. The calculation of hemodynamics needs to be calculated based on the cardiovascular three-dimensional model, which requires first extracting or reconstructing the cardiovascular three-dimensi...

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Application Information

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IPC IPC(8): G06T17/00G06F17/13
CPCG06F17/13G06T17/00G06T2210/41
Inventor 向建平李炳辉冯立冷晓畅
Owner HANGZHOU ARTERYFLOW TECH CO LTD
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