Three-dimensional correction reconstruction method of rotary C-arm X-ray generator

A technology of X-ray machine and C-arm, which is applied in the fields of radiological diagnostic equipment, medical science, diagnosis, etc. It can solve the problems that the acquisition process of C-arm machine does not satisfy CT reconstruction, and the acquired image sequence cannot be directly used for three-dimensional reconstruction. , to achieve the effects of easy clinical application, stable quality of reconstruction results, and simple calculation

Inactive Publication Date: 2014-01-22
SOUTHEAST UNIV
View PDF8 Cites 37 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the help of CT image three-dimensional reconstruction technology, it provides technical support for the three-dimensional visualization of the image sequence acquired by the C-arm machine. However, due to the limitations of mecha

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
  • Three-dimensional correction reconstruction method of rotary C-arm X-ray generator
  • Three-dimensional correction reconstruction method of rotary C-arm X-ray generator
  • Three-dimensional correction reconstruction method of rotary C-arm X-ray generator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Below in conjunction with accompanying drawing and specific embodiment, further illustrate the present invention, should be understood that these embodiments are only for illustrating the present invention and are not intended to limit the scope of the present invention, after having read the present invention, those skilled in the art will understand various aspects of the present invention Modifications in equivalent forms all fall within the scope defined by the appended claims of this application.

[0028] The correction phantom that the present invention adopts is as figure 1 As shown, the correction phantom is a cylindrical barrel structure as a whole, with an inner diameter of 90cm, an outer diameter of 100cm, and a height of 120cm. The wall of the correction phantom is made of light-transmitting materials, and two sets of steel balls are embedded on the outer wall of the correction phantom as a projection image. Marking points, two sets of steel balls are arrang...

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

PropertyMeasurementUnit
The inside diameter ofaaaaaaaaaa
Outer diameteraaaaaaaaaa
Login to view more

Abstract

The invention discloses a three-dimensional correction reconstruction method of a rotary C-arm X-ray generator. The three-dimensional correction reconstruction method comprises the following steps that a correction die body is placed in a scanning area of the rotary C-arm X-ray generator; rotary scanning is conducted on the correction die body through the rotary C-arm X-ray generator so as to obtain a projected image sequence of the correction die body; according to projected images of the correction die body, the projection positions of steel balls are marked automatically, and the inclination angle and the central-point offset of each projected image of the correction die body are calculated; after the inclination angles and the central-point offsets are obtained, inclination correction and central-point offset correction are conducted on the projected images obtained through normal scanning of the rotary C-arm X-ray generator; by means of the FDK reconstruction algorithm, three-dimensional reconstruction is conducted on the corrected projected images. According to the three-dimensional correction reconstruction method, the projected-image correction method is used so that geometric scanning parameters of the rotary C-arm X-ray generator can be obtained rapidly and stably, and three-dimensional scanning supporting three-dimensional volume data reconstruction is completed.

Description

technical field [0001] The invention belongs to the field of medical equipment, in particular to a method for three-dimensional correction and reconstruction of a rotating C-arm X-ray machine. Background technique [0002] Rotating C-arm X-ray machine, referred to as C-arm X-ray machine or C-arm machine, is one of the large-scale medical equipment commonly used in hospitals at present. It can perform real-time imaging during surgery, and can help doctors make timely diagnosis and monitor surgical conditions during surgery. . Through this device, doctors can provide a complete and accurate observation of the internal structure, shape and movement mode of the inspection site from multiple angles. It is widely used in orthopedics, surgery, gynecology and other treatment fields. The traditional C-arm machine can only provide multi-view image sequences, and the visualization of three-dimensional structures is an important topic in the current clinical field. With the help of CT...

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): A61B6/00
Inventor 胡轶宁谢理哲沈傲东罗立民
Owner SOUTHEAST UNIV
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