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Brain perfusion image processing method, system and device and storage medium

A processing method and brain perfusion technology, applied in the field of medical image processing, can solve problems such as inability to identify invalid areas, inability to realize automatic processing, quantitative calculation errors, etc., and achieve the effect of improving image reading quality, rapid qualitative and quantitative analysis

Pending Publication Date: 2022-03-01
UNIV OF SCI & TECH OF CHINA
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Problems solved by technology

However, most of the existing computer-aided analysis methods cannot achieve fully automatic processing, and need to manually select the region of interest to select the arterial input function; in addition, it is impossible to identify invalid regions such as ventricles when calculating perfusion parameters, resulting in quantitative calculations. There is a large error

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  • Brain perfusion image processing method, system and device and storage medium
  • Brain perfusion image processing method, system and device and storage medium
  • Brain perfusion image processing method, system and device and storage medium

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Embodiment Construction

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0031] First, the terms that may be used in this article are explained as follows:

[0032] The terms "comprising", "comprising", "containing", "having" or other descriptions with similar meanings shall be construed as non-exclusive inclusions. For example: including certain technical feature elements (such as raw materials, components, ingredients, carriers, dosage forms, materials, dimensions, parts, components, mechanisms, devices, steps, proced...

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Abstract

The invention discloses a brain perfusion image processing method, system and device and a storage medium, and the related method comprises the steps: obtaining original brain perfusion image data, and recognizing the data type; preprocessing the original brain perfusion image data, and performing time domain interpolation in combination with a data type; automatically selecting an artery input function from the cerebral perfusion image data after the time domain interpolation processing through an automatic detection algorithm; calculating perfusion parameters based on the brain perfusion image data after the time domain interpolation processing and an artery input function; and extracting an intracranial brain tissue area mask from the original brain perfusion image data, and performing post-processing and quantitative statistics on the original brain perfusion image data in combination with perfusion parameters. According to the scheme, preprocessing, function selection and parameter calculation can be automatically carried out on the brain perfusion image, and a quantitative analysis result is given.

Description

technical field [0001] The present invention relates to the technical field of medical image processing, in particular to a method, system, device and storage medium for processing cerebral perfusion images. Background technique [0002] Perfusion images scanned by CT and MRI are dynamic sequences over a period of time, and a series of processing is required to obtain relevant parameters for analysis. Generally speaking, the time-concentration curve of each pixel of the selected layer is obtained by continuous dynamic scanning of the selected layer of interest, and processed through a mathematical model to obtain: cerebral blood volume (CBV), brain Hemodynamic parameters such as cerebral blood flow (CBF), mean transit time (MTT), residual function time to max enhancement (TMAX) and perfusion image performance. [0003] At present, the processing methods are mainly divided into manual processing and computer-aided processing. The manual processing method requires the reader...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/00G06V40/14G06V10/25G06V10/26
CPCG06T7/0012G06T2207/10081G06T2207/10088G06T2207/30016G06T2207/30101
Inventor 谢洪涛刘荪傲张勇东
Owner UNIV OF SCI & TECH OF CHINA
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