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Three-dimensional fusion method and system of CT images

A CT image and three-dimensional fusion technology, applied in the field of medical image processing, can solve the problems of low amount of two-dimensional image information and unfavorable medical diagnosis, and achieve the effect of improving accuracy and realizing visualization.

Inactive Publication Date: 2017-12-08
THE SIXTH AFFILIATED HOSPITAL OF SUN YAT SEN UNIV
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Problems solved by technology

[0006] Based on this, it is necessary to provide a three-dimensional fusion method and system for CT images for the problem that the existing two-dimensional CT fusion method has less information in two-dimensional images, which is not conducive to medical diagnosis.

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Embodiment Construction

[0040] The content of the present invention will be further described in detail below in conjunction with preferred embodiments and drawings. Obviously, the embodiments described below are only used to explain the present invention, but not to limit the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention. It should be noted that, for ease of description, the drawings only show part but not all of the content related to the present invention.

[0041] figure 1 It is a schematic flow chart of the three-dimensional fusion method of CT images in an embodiment of the present invention, such as figure 1 As shown, the three-dimensional fusion method of CT images in the embodiment of the present invention includes the following steps:

[0042] Step S110: Acquire multiple phases of two-dimensional CT images.

[0043] Spe...

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Abstract

The invention relates to a three-dimensional fusion method of CT images. The method comprises the steps that multiple periods of two-dimensional CT images are acquired; any period of a two-dimensional CT image is selected from multiple periods of two-dimensional CT images and is used as a reference image, and other periods of two-dimensional CT images are images to be registered; the characteristic information of the reference image and the images to be registered is extracted, wherein the characteristic information is vessel center line point sets; an iterative near point algorithm is used to carry out point set registering on the vessel center line point set of the reference image and the vessel center line point set of the images to be registered; and if the point set registering of the vessel center line point set of the reference image and the vessel center line point set of the images to be registered is successful, the reference image and the images to be registered are fused to create a three-dimensional CT image. According to the invention, multiple periods of two-dimensional CT images are registered; the three-dimensional CT image is established through fusion; and the CT images are visualized, which helps to improve the accuracy of the medical diagnosis.

Description

Technical field [0001] The invention relates to the technical field of medical image processing, in particular to a three-dimensional fusion method and system of CT images. Background technique [0002] With the development of medicine and computer technology, medical imaging has become a routine auxiliary method for clinicians to diagnose, treat or specify surgical plans. CT (Computed Tomography, electronic computer tomography) is a medical image commonly used in medicine, which can clearly show the outline of the thigh and soft tissue. However, traditional CT images are two-dimensional images, and the information contained in a single two-dimensional image is limited, which is not conducive to medical diagnosis. [0003] Image fusion refers to an image processing technology that combines multiple images obtained by different imaging devices or the same imaging device at different times into one image. These images undergo necessary transformation processing to match their spati...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T5/50G06T7/00G06T7/33G06T11/00G06T15/00
Inventor 王磊范新娟邱建平孟晓春罗倩欣刘占振蔡健
Owner THE SIXTH AFFILIATED HOSPITAL OF SUN YAT SEN UNIV
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