Multi-mode imaging system registering method

A multi-modal imaging and imaging system technology, applied in the field of medical devices, can solve problems such as loss of meaning and too large error in measurement values, and achieve the effect of easy error and improved system registration accuracy

Active Publication Date: 2015-06-03
SHANGHAI UNITED IMAGING HEALTHCARE +1
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Problems solved by technology

However, in this method, the relative position of the ball containing the radioactive solution in the CT image is determined by clicking the operator's mouse to determine the center of the ball containing the radioactive solution, thereby obtaining the position of the ball containing the radioactive solution in the CT image. The relative position between the image and the PET image, and the PET-CT system registration is performed accord

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[0024] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] As mentioned in the background, in the prior art image registration method, since the characteristic spheres used are relatively large, it is difficult to find the center point of the characteristic spheres, resulting in a problem of low registration accuracy.

[0026] In order to solve the above technical problems, the present invention provides a multi-modal imaging system registration method, the multi-modal imaging system can be PET-CT imaging system (including PET imaging system and CT imaging system) or SPECT-CT imaging system (including SPECT imaging system and CT imaging system).

[0027] refer to figure 1 , shows a schematic flow chart of an embodiment of the multimodal imaging system registration method of the present inv...

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Abstract

The invention provides a multi-mode imaging system registering method. A multi-mode imaging system comprises a first imaging system and a second imaging system. The multi-mode imaging system registering method comprises providing contrast agent for the first imaging system and tracer agent for the second imaging system; mixing the contrast agent and the tracer agent into a point source; scanning the point source through the multi-mode imaging system to obtain a first image and a second image; according to the position information of the point source inside the first image and the second image for registration of the first imaging system and the second imaging system. The multi-mode imaging system registering method can improve precision of system registration.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a multimodal imaging system registration method. Background technique [0002] Positron Emission Tomography (PET) is a three-dimensional imaging non-destructive testing technique that uses positron radioactive isotope-labeled compounds injected into organisms to measure their spatial distribution and time characteristics in vitro. High precision, good accuracy and accurate positioning. [0003] Electronic computer X-ray tomography technique (CT) is an imaging technique in which an X-ray beam scans a certain part of the human body. When taking X-ray images of human tissue, part of the radiation is absorbed by the tissue, and part of the radiation passes through the human body and is absorbed by the detection organ to generate a signal. [0004] In addition to PET and CT, the field of modern medical devices also includes a variety of other imaging technologies, such as: Magnetic Re...

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Application Information

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IPC IPC(8): A61B6/03
Inventor 陈牧冯健
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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