Method for utilizing 3D visual anatomy atlas in cerebral surgical operation guidance system

A technology of brain surgery and anatomical atlas, which is applied in the field of 3D visualization application, can solve problems such as difficult considerations, achieve the effect of improving registration accuracy and avoiding repeated operations

Inactive Publication Date: 2003-10-01
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

Since the SW map is limited to some areas of the inner brain, it is difficult to take into account other relevant parameters such as ventricle size and head size when registering it with the actual patient image, which is a difficulty in this study
In addition, the reconstruction of 2D printed atlases to 3D stereoscopic images is also a difficult point, which is expected to be resolved

Method used

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  • Method for utilizing 3D visual anatomy atlas in cerebral surgical operation guidance system
  • Method for utilizing 3D visual anatomy atlas in cerebral surgical operation guidance system
  • Method for utilizing 3D visual anatomy atlas in cerebral surgical operation guidance system

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Embodiment Construction

[0031] Such as figure 1 and figure 2 as shown, figure 2 It is the cooperation process of the variable scale grid method and the segmented local linear registration algorithm. After describing the process of dividing the input image into 12 sub-regions according to the AC-PC points and creating the variable scale grid PGS , gives the process of implementing registration and fine-tuning using the method of segmented local linear registration.

[0032] The following embodiments are provided in conjunction with the content of the execution method of the present invention:

[0033] Such as figure 1 As shown, when the patient's 3D image instance is read into the system, the doctor implements the method in the following six steps:

[0034](1) AC-PC setting: When the doctor selects the "AC-PC setting" function in the system menu, the system will give the initial AC-PC point in the patient image, and display it in the window with a color mark. The physician then uses the mouse t...

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Abstract

A 3-D visualizing method for the dissection map in navigation system for cerebral surgical operation includes two parts of early stage work and executing method stage. In the early stage work, the non-linear interpolation is used to reconfigure the digitalized 3-D maps of tow cerebral dissection maps (SW and TT) and the 3-D non-linear matching method is used to unifly them into a single coordinate system. In the executing method stage, the input image is formatted, matched with the said maps, and visualized.

Description

technical field [0001] The invention relates to a three-dimensional visualization application method, in particular to a three-dimensional visualization application method of anatomical atlas in a brain surgery navigation system, belonging to the technical field of medical image processing and application. Background technique [0002] Brain surgery navigation system is a complex system engineering integrating computer technology, biomedical engineering technology and modern medical technology. Among them, the three-dimensional visualization of brain anatomical atlas is a key technology, which plays a decisive role in the localization of lesions. In traditional brain surgery, doctors can only complete complex operations by reading anatomical atlases and relying on experience. This will inevitably cause the problems of low success rate and long operation time. At present, there are mainly two types of brain anatomy atlases widely used in clinic: Talairach-Tournoux (TT) brai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/00G06T15/10
Inventor 顾力栩
Owner SHANGHAI JIAO TONG UNIV
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