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Fat attenuation index generation method and device and computer readable medium

An attenuation index and computer technology, applied in the field of medical imaging, can solve problems affecting FAI measurement accuracy and time-consuming

Active Publication Date: 2020-10-02
数坤(北京)网络科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This measurement method is not only very time-consuming, but also needs to remove pixels that are not within the range of fat CT values ​​in the outlined area. The perception of fat areas is also not the same, so it will eventually affect the measurement accuracy of FAI

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  • Fat attenuation index generation method and device and computer readable medium
  • Fat attenuation index generation method and device and computer readable medium
  • Fat attenuation index generation method and device and computer readable medium

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Embodiment Construction

[0022] Exemplary embodiments of the present invention are described below in conjunction with the accompanying drawings, which include various details of the embodiments of the present invention to facilitate understanding, and they should be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

[0023] The purpose of the embodiment of the present invention is to process the vascular CT sequence image and the CT value corresponding to each pixel on the vascular CT sequence image through an artificial intelligence training model to generate a quasi-fat mask, and generate a quasi-fat mask according to the CT value in the quasi-fat mask Blood vessel FAI; thereby solvi...

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Abstract

The invention discloses a fat attenuation index generation method and device and a computer readable medium. One embodiment of the method comprises: obtaining a blood vessel CT sequence image and a CTvalue corresponding to each pixel point on the blood vessel CT sequence image; segmenting the blood vessel CT sequence image to generate a blood vessel segmentation mask; processing the blood vesselsegmentation mask to obtain a pre-fat mask around the blood vessel; according to all the acquired CT values, selecting an area corresponding to the fat CT value range from a pre-fat mask to generate aquasi-fat mask; and processing the CT values corresponding to all pixel points in the fat mask to generate the blood vessel FAI. According to the embodiment of the invention, a blood vessel CT sequence image and a CT value corresponding to each pixel point on the blood vessel CT sequence image are processed to generate a quasi-fat mask, and a blood vessel FAI is obtained according to the CT valuein the quasi-fat mask, therefore, full-automatic measurement of the blood vessel FAI is realized, and the measurement precision of the blood vessel FAI is improved.

Description

technical field [0001] The invention belongs to the technical field of medical imaging, and in particular relates to a method, a device and a computer-readable medium for generating a fat attenuation index. Background technique [0002] In the field of modern medicine, the Fat Attenuation Index (FAI for short) is a new coronary heart disease functional evaluation index proposed in 2018, which can reflect the immune response activity and plaque progression in and around blood vessels. The study believes that the perivascular fat attenuation index is an upgrade to the current coronary artery computerized tomography angiography (Computer Aided Translation, abbreviated as CT), which improves the prediction and re-stratification of cardiac risks, and can realize the prediction of cardiac adverse events. The risk of cardiovascular death in people with FAI exceeding -70.1 Heinz units increases significantly, so the indicators for evaluating patients' FAI have great clinical value f...

Claims

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Application Information

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IPC IPC(8): G06T7/00G06T7/10G06T7/66G06T7/62
CPCG06T7/0012G06T2207/10081G06T2207/30101G06T7/10G06T7/62G06T7/66
Inventor 韦建雍
Owner 数坤(北京)网络科技股份有限公司
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