Vascular angiography three-dimensional rebuilding method under dynamic model direction

An angiography and dynamic model technology, applied in image analysis, instruments, computerized tomography scanners, etc., can solve the problems of high precision, large amount of calculation, and difficulty in constructing internal and external force functions, so as to improve reliability and accuracy, increase The effect of high precision

Inactive Publication Date: 2008-11-12
HUAZHONG UNIV OF SCI & TECH
View PDF0 Cites 70 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But there are two problems in this way: (1) How to judge whether the two contrast images are at the same moment in a cardiac cycle
Relatively speaking, the Snake model can obtain higher precision, but t...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vascular angiography three-dimensional rebuilding method under dynamic model direction
  • Vascular angiography three-dimensional rebuilding method under dynamic model direction
  • Vascular angiography three-dimensional rebuilding method under dynamic model direction

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0112] Below in conjunction with accompanying drawing and example the present invention is further described:

[0113] Such as figure 1 As shown, the method of the present invention utilizes the heart and cardiovascular dynamic model to carry out blood vessel three-dimensional reconstruction from the dual-view X-ray angiography image, and the heart and cardiovascular dynamic model used can adopt the original known heart and cardiovascular tree model , you can also use your own heart and cardiovascular dynamic model. The following provides a method for establishing a heart and cardiovascular dynamic model for reference.

[0114] (1) Establish a cardiovascular tree model

[0115] Such as figure 2 Shown is the flow chart of establishing a cardiovascular tree model.

[0116] When establishing the three-dimensional static and dynamic models of the heart and blood vessels, the coordinate system is established as follows: the x, y axis and the origin coincide with the x, y axis a...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The present invention provides a dynamic model directed angiography three-dimensional reconstruction method, pertaining to an intersectional field of digital image processing and medicine imaging, for satisfying special requests of auxiliary detection and surgery guidance for cardiovascular disease in clinical medicine. The invention includes steps of angiography image preprocessing, vascellum segmentation, vascellum skeleton and radii extraction, model directed vascellum base element recognition, vascellum matching and vascellum three-dimensional reconstruction. The invention also provides a cardiovascular dynamic model construction method including steps of cardiovascular slice data extraction, cordis static and dynamic model building, and static and dynamic model building. According to the invention, good angiography three-dimensional reconstruction result may be obtained, which effectively assists detection and surgery guidance for cardiovascular disease, thereby satisfying clinical requests.

Description

technical field [0001] The invention belongs to the intersection field of digital image processing and medical imaging, and in particular relates to a three-dimensional reconstruction method of angiography under the guidance of a dynamic model. This method can solve the problem of reliable automatic three-dimensional reconstruction from multi-view angiography images, and meets the application requirements of clinical medical cardiovascular disease auxiliary detection and surgical navigation. Background technique [0002] The three-dimensional reconstruction of the vascular tree is a process of recovering the three-dimensional space structure of the blood vessel through the corresponding image information in the X-ray two-dimensional projection images from different angles of view. It is very different from the 3D reconstruction of ordinary visible light images. X-ray imaging is the image formed on the fluorescent screen after the X-rays projected on the human body are atten...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): A61B6/03G06T7/40G06T7/60
Inventor 张天序刘芳李昭孙祥平肖晶沈彧桑农曹治国
Owner HUAZHONG UNIV OF SCI & TECH
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap