Intracranial vascular focus identification method based on transfer learning

A technology of intracranial blood vessels and transfer learning, applied in the field of intracranial vascular lesion identification based on transfer learning, can solve the problems of obtaining real information of blood vessels, disadvantages, etc., achieve good promotion, improve registration accuracy, and eliminate flow space artifacts Effect

Inactive Publication Date: 2021-04-16
XIAN CREATION KEJI CO LTD
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  • Claims
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Problems solved by technology

However, the two-dimensional image has limitations, which is not conduci

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  • Intracranial vascular focus identification method based on transfer learning
  • Intracranial vascular focus identification method based on transfer learning
  • Intracranial vascular focus identification method based on transfer learning

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Example Embodiment

[0036]The technical solutions in the embodiments of the present invention will be described below in conjunction with the drawings in the embodiments of the present invention.

[0037]In order to obtain a true information of blood vessels in the clinical application, vascular lesions were analyzed. Embodiments of the present invention provide a method of identifying intracranial vascular lesions based on migration learning.

[0038]Such asfigure 1 Distancefigure 1 A flow schematic of a method of migrating the intracranial vascular lesion identification method provided by the embodiment of the present invention, which may include the following steps:

[0039]S1, get the bright blood image group, black blood image group and enhance black blood image group in the intracranial vessel site;

[0040]Among them, the bright blood image group, the black blood image group, the enhanced black blood image group includes k bright blood image, black blood image, respectively, black blood image; bright blood ...

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Abstract

The invention discloses an intracranial blood vessel focus identification method based on transfer learning. The method comprises the following steps: acquiring a bright blood image group, a black blood image group and an enhanced black blood image group of an intracranial blood vessel part; carrying out registration on each bright blood image by using a registration method based on mutual information and an image pyramid by taking the corresponding enhanced black blood image as a reference to obtain a registered bright blood image group; using the registered bright blood image group to perform flow empty artifact elimination operation on the enhanced black blood images in the enhanced black blood image group to obtain an artifact-eliminated enhanced black blood image group; subtracting the corresponding images in the artifact elimination enhanced black blood image group from the corresponding images in the black blood image group to obtain K contrast enhanced images; establishing a blood three-dimensional model by using the registered bright blood image group and adopting a transfer learning method; and establishing a blood vessel three-dimensional model of blood boundary expansion by using the registered bright blood image group; the focus area of the intracranial blood vessel can be simply, conveniently, quickly and visually recognized clinically.

Description

technical field [0001] The invention belongs to the field of image processing, and in particular relates to a method for identifying intracranial vascular lesions based on migration learning. Background technique [0002] According to the latest medical data, vascular diseases have seriously affected the life and health of contemporary people and become one of the diseases with a high mortality rate. Such as atherosclerosis, inflammatory vascular disease, vascular true neoplastic disease and so on. The common causes of vascular diseases are narrowing, blockage, rupture, and plaque in blood vessels. At present, methods based on lumen imaging are usually used to evaluate the degree of vascular disease and vascular stenosis clinically, such as digital subtraction angiography (Digital Subtraction Angiography, DSA), CT angiography (Computed Tomography Angiography, CTA), magnetic Resonance angiography (Magnetic Resonance Angiography, MRA) and high-resolution magnetic resonance a...

Claims

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Application Information

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IPC IPC(8): G06T11/00G06T7/00G06T7/13G06T7/136G06T7/33G06T5/30G06T17/00G16H30/20G16H30/40G06N3/04G06N3/08
CPCG06T17/00G06T5/30G16H30/20G06N3/04G06T7/00G06T7/33G16H30/40G06T7/13G06N3/08G06T11/00G06T7/136
Inventor 贾艳楠王文杰
Owner XIAN CREATION KEJI CO LTD
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