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Three-dimensional imaging method and system of organ and lesion based on medical images

A medical imaging and three-dimensional imaging technology, which is applied in the fields of instruments, image enhancement, image analysis, etc., to achieve the effect of convenient observation

Active Publication Date: 2017-06-23
CHENGDU GOLDISC UESTC MULTIMEDIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, the existing technology does not perform special treatment on the lesion / target area during segmentation, which makes it difficult to distinguish the lesion / target area in the later stage.

Method used

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  • Three-dimensional imaging method and system of organ and lesion based on medical images

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Experimental program
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Effect test

Embodiment 1

[0061] Embodiment 1 is the splitting of the brain lobe; in this embodiment, the organ to be split is the brain lobe, and the multiple regions are the frontal lobe, temporal lobe, parietal lobe, occipital lobe and cerebellum. The method includes the following sub-steps:

[0062] S11: Obtain a thin-layer scan image of the brain lobe of T1-weighted imaging;

[0063] T1-weighted imaging (T1-weighted imaging, T1WI) refers to this imaging method that focuses on the difference in longitudinal relaxation of tissues, while minimizing the influence of other tissue characteristics such as transverse relaxation on the image.

[0064] S12: outline the outer contour of the lesion / target area in one of the images;

[0065] S13: Carry out three-dimensional modeling of the lesion / target area and the organ to be split respectively, wherein for the three-dimensional modeling of the lesion / target area, the region growth algorithm with the same threshold is used to determine the boundary realizat...

Embodiment 2

[0072] Example 2 is the splitting of the liver. In this embodiment, the organ to be split is the liver, and the multiple regions are the left lobe and the right lobe of the liver; the method includes the following sub-steps:

[0073] S21: using DCMTK to read the DICOM sequence images of the liver;

[0074] Since the image storage and transmission of current medical imaging equipment is gradually moving closer to the DICOM standard, in the process of medical image processing, we often need to write various program modules related to DICOM format images to complete our own processing functions. It is a huge project to understand the DICOM protocol from scratch, and then write these codes to implement these protocols completely. The DCMTK developed by German offis company provides us with a platform to implement the DICOM protocol, so that we can easily complete our main work on the basis of it, without having to put too much energy on the details of the implementation of the DI...

Embodiment 3

[0090] Embodiment 3 is that the hospital has its own internal database and data processing center, specifically: the data center is set in the hospital and is connected to multiple doctor terminals in the hospital through the intranet. Each doctor's terminal connected to the thin-layer scanning instrument is connected to the data center inside the hospital through the intranet; the data center inside the hospital processes and saves the data inside the hospital. When the doctor needs a model, he can directly download send. Intranet connection is used to improve security performance.

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Abstract

The invention discloses a three-dimensional imaging method and system of an organ and a lesion based on a medical image. The method comprises the steps of (S1) obtaining thin layer scan images of an organ to be split, (S2) sketching the contour of a lesion / target area of an image, (S3) carrying out 3D modeling on the organ to be split comprising the lesion / target area, and (S4) carrying out multi-area splitting on a model of the organ to be split obtained by the 3D modeling. According to the method and the system, medical image segmentation is not only stay in the segmentation of a whole organ and an external non-organ part, each area of the organ is segmented further and the lesion / target area is segmented, the observation of possible diseased organs of a patient in a later period is facilitated, and the analysis of a lesion / target area (tumor) position is facilitated.

Description

technical field [0001] The invention relates to a three-dimensional imaging method and system for organs and lesions based on medical images. Background technique [0002] Medical imaging refers to the technology and processing process of obtaining internal tissue images of the human body or a certain part of the human body in a non-invasive manner for medical treatment or medical research. It includes the following two relatively independent research directions: medical imaging system and medical image processing. The former refers to the process of image formation, including the research on imaging mechanism, imaging equipment, imaging system analysis and other issues; the latter refers to the further processing of the obtained image, the purpose of which is to restore the original image that is not clear enough , or to highlight some feature information in the image, or to classify the pattern of the image and so on. [0003] The formation methods of medical images in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T17/00G06T7/11
CPCG06T17/00G06T2207/10081G06T2207/10088G06T2207/30016G06T2207/30056G06T2207/30092
Inventor 曲建明蒲立新曲飞寰
Owner CHENGDU GOLDISC UESTC MULTIMEDIA TECH
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