Method and device for setting positioning line on positioning image and CT equipment

A technology of positioning images and positioning lines, which is applied in computer tomography scanners, echo tomography, etc., can solve the problem of inability to use positioning images, and achieve the effect of reducing logical judgment and physical load, and improving work efficiency and productivity.

Active Publication Date: 2012-07-04
GE MEDICAL SYST GLOBAL TECH CO LLC
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  • Claims
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Problems solved by technology

[0015] Siemens Corporate Research, Inc. submitted the US patent application US 2010 / 0067764 A1 on August 28, 2009, entitled "Method and System for Automatic Landmark Detection Using Discriminative Joint Context", which is to locate the line on the tomographic image settings, which cannot be applied to anchor images

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  • Method and device for setting positioning line on positioning image and CT equipment
  • Method and device for setting positioning line on positioning image and CT equipment
  • Method and device for setting positioning line on positioning image and CT equipment

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Embodiment Construction

[0068] Specific examples of the present invention will be described in detail below, but the present invention is not limited to the following specific examples.

[0069]For CT equipment, there is a scanning parameter protocol library. Different anatomical parts correspond to different scanning parameter protocols. For details, please refer to the literature R. Brüning et al.: Protocols for Multislice CT, 2nd edition. Springer. ISBN-10: 3540272712 and Evelyn M Teasdale et al: Multidetector CT in Neuroimaging: An Atlas and Practical Guide. ISBN-10: 1904392687. The scanning parameter protocol generally includes: tube voltage and tube current for generating X-rays, scanning layer thickness, rack speed, and so on. For example, if figure 2 As shown, the head is shown, and the scanning range is shown as a parallelogram in the figure. The first layer is 1 cm below the foramen magnum; the angle is: parallel to the bottom of the anterior cranial fossa; the last layer is the top of th...

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Abstract

The invention discloses a method and device for setting positioning lines on a positioning image and a piece of CT equipment. The method for setting positioning lines on a positioning image comprises the following steps: setting control points on a template image; globally registering the template image with the positioning image; after global registration, locally registering the template image with the positioning image to obtain a deformation vector field of the template image with respect to the positioning image; mapping the control points on the template image to corresponding anatomical positions on the positioning image according to the deformation vector field; and calculating positions and angles of positioning lines according to the control points on the positioning images. The technical scheme of the device for setting positioning lines on a positioning image corresponds to the technical scheme of the method for setting positioning lines on a positioning image. With the technical schemes, the accuracy of setting positioning lines is high and the scanning efficiency can be increased.

Description

technical field [0001] The present invention generally relates to the field of CT and MR imaging, in particular to a method and device for setting a positioning line on a positioning image and CT equipment. Background technique [0002] Because CT and MR imaging equipment can clearly image the anatomical parts of the human body, it can enable doctors to have a clear sensory understanding of the anatomical parts of the human body, thus playing a very good role in assisting doctors in diagnosing and treating diseases. Currently, CT And MR imaging equipment has been widely used in the field of medical diagnosis and treatment. [0003] The following uses CT equipment as an example to describe the routine scanning process of CT equipment, which usually includes: [0004] 1) Instruct the patient to be in the correct position on the CT equipment; [0005] 2) Align the laser line with the anatomical landmarks on the body surface to locate the scanning positioning image; [0006] ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/03
Inventor 贾磊
Owner GE MEDICAL SYST GLOBAL TECH CO LLC
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