Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

X-ray image acquisition method and device

An image acquisition and X-ray technology, applied in the field of image processing, which can solve problems such as multiple radiation doses and injuries

Active Publication Date: 2017-03-08
SHANGHAI UNITED IMAGING HEALTHCARE
View PDF5 Cites 1 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, when the above-mentioned method is used to photograph a large-sized part to be photographed, it may cause the subject to receive too much radiation dose, causing certain damage to it.

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
  • X-ray image acquisition method and device
  • X-ray image acquisition method and device
  • X-ray image acquisition method and device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0071] As described in the background art, when the existing technology obtains a large-scale image, it may cause the subject to receive excessive radiation dose. The inventor found that during the photography of large-scale images, after calculating the initial exposure frames for image stitching based on the pre-exposure area, if the initial exposure frames are not an integer, the doctor usually takes an integer greater than the initial exposure frames as The number of exposure frames in the actual photography process, therefore, causes the actual exposure area to be larger than the pre-exposure area, causing the subject to receive excessive radiation dose and causing certain damage to it.

[0072] The inventor considers that the calculated initial exposure frame number is adjusted accordingly to obtain the actual exposure frame number, so that the actual exposure area is not larger than the pre-exposure area, thereby reducing the radiation dose received by the subject during...

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

Provided is an X-ray image acquisition method and device. The X-ray image acquisition method comprises the steps that according to initial rack parameters set in a pre-exposure zone and overlapped zones of two adjacent frames of images, initial exposure frame number for image splicing is calculated; the initial exposure frame number is adjusted to obtain actual exposure frame number, actual rack parameters are determined according to the actual exposure frame number so that an actual exposure zone is not greater than the pre-exposure zone, and an absolute value of the difference of the actual exposure frame number and the initial exposure frame number is smaller than 1; based on the actual exposure frame number and the actual rack parameters, corresponding detector positions and bulb tube rotation angles during acquisition of the frames of images are calculated; exposure is performed according to the actual rack parameters and the corresponding detector positions and the bulb tube rotation angles during acquisition of the frames of images, and images to be spliced are obtained. By adopting the method and device, an examined object can be effectively prevented from receiving excessive radiation dosage in the photography process.

Description

technical field [0001] The present invention relates to the technical field of image processing, in particular to an X-ray image acquisition method and device. Background technique [0002] It has become a widespread application to use X-ray photography system to take large-scale and large-scale images, such as shooting bone images and spine images. [0003] For now, due to the limitations of the physical characteristics of the X-ray photography system, such as the area limitation of the detector, the source image distance (SID, Source Image Distance) distance limitation, etc., when imaging a large-sized part to be photographed , usually by dividing the large-sized parts to be photographed into single photographs, the detector can meet the size requirements for sequential photography, and then use the image workstation to fuse, stitch and process the sequence images obtained by photography to obtain large-scale images. image. [0004] However, when the above-mentioned meth...

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
Patent Type & Authority Patents(China)
IPC IPC(8): A61B6/00
CPCA61B6/542A61B6/545A61B6/587
Inventor 申宝忠金香翠胡扬肖海峰陈宏伟王炜
Owner SHANGHAI UNITED IMAGING HEALTHCARE
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

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

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com