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A method of vascular straightening surface reconstruction based on CT image multiplanar reconstruction

A technology of multi-planar reconstruction and surface reconstruction, applied in the field of biomedical engineering, can solve problems such as measurement and comparison of unfavorable blood vessel diameters

Active Publication Date: 2018-12-18
HENAN UNIV OF SCI & TECH
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Problems solved by technology

This method can keep the curvature of the tubular structure basically unchanged, so the user can locate it in space, but the existence of the curvature is not conducive to the measurement and comparison of the quantification of the diameter of the blood vessel (such as the degree of coronary artery stenosis, etc.)

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  • A method of vascular straightening surface reconstruction based on CT image multiplanar reconstruction
  • A method of vascular straightening surface reconstruction based on CT image multiplanar reconstruction
  • A method of vascular straightening surface reconstruction based on CT image multiplanar reconstruction

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Embodiment Construction

[0040] The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. This embodiment is based on the technical solution of the present invention, and provides detailed implementation methods and specific operating procedures, but the scope of protection of the present invention is not limited to the following embodiments. .

[0041] Such as figure 1 As shown, a reconstruction method of vessel straightening surface based on CT image multi-planar reconstruction, the reconstruction method includes setting control points, spline interpolation, spatial translation transformation, generating sampling surface, data sampling and generating images, wherein the control points The setting and setting of the spatial translation transformation parameters are done by the user through a graphical user interface (GUI). details as follows:

[0042] Step 1. Set control points:

[0043] The control points are set by the user through ...

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Abstract

The invention relates to a method of vascular straightening surface reconstruction based on CT image multiplanar reconstruction. The method for reconstruction includes setting a control point, performing spline interpolation, performing spatial translation transformation, generating a sample surface, and performing data sampling and image generation. Based on the multiplanar reconstruction of CT or MRI volume data set, through spline interpolation, spatial translation transformation, sampling surface and data sampling, the images of blood vessels in three-dimensional space can be displayed ina two-dimensional plane with equal spacing and straight line, which is convenient to quantify and compare the stenosis of blood vessels. The method has important clinical significance, and considerable social and economic benefits can be obtained. It is helpful to observe the difference of vessel diameters and has important practical value in the CT diagnosis of coronary artery stenosis and otherdiseases.

Description

technical field [0001] The invention relates to the technical field of biomedical engineering, in particular to a method for recombining blood vessel straightening and curved surfaces based on multi-plane reconstruction of CT images. Background technique [0002] In medical image processing, the evaluation of tubular structures (such as coronary arteries, etc.) is a hot topic. Volume datasets generated by CT or MRI include these tubular structures of interest, but also many objects that we are not interested in. Most of the current 3D medical image visualization software provides multi-plane reconstruction methods, but in most cases, it is almost impossible for doctors to see objects of interest in a single plane, and it is difficult to see them in a plane view using existing visualization methods A (segment) complete blood vessel. In order to observe these objects, their median axes need to be extracted from the dataset, and then the dataset is resampled and visualized ac...

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Application Information

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IPC IPC(8): G06T11/00G06T7/00
CPCG06T7/0012G06T11/006G06T2207/30101G06T2207/10088G06T2207/10081G06T2211/404
Inventor 李振伟杨晓利胡志刚
Owner HENAN UNIV OF SCI & TECH
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