Method for establishing intracranial vessel simulation three-dimensional stenosis model based on transfer learning

Abstract

The invention discloses a method for establishing an intracranial vessel simulation three-dimensional stenosis model based on transfer learning. The method comprises the following steps: acquiring a bright blood image group and an enhanced black blood image group of an intracranial vessel; performing image registration by using a registration method based on mutual information and an image pyramidto obtain a registered bright blood image group; utilizing the registered bright blood image group to obtain an MIP image in each direction; obtaining a two-dimensional blood vessel segmentation image based on the MIP image as a target domain and a fundus blood vessel image; synthesizing the two-dimensional blood vessel segmentation images in the three directions by using a back projection methodto obtain first three-dimensional blood vessel body data; obtaining an intracranial blood vessel simulation three-dimensional model by utilizing the second three-dimensional blood vessel body data corresponding to the registered bright blood image group; and for each section of blood vessel in the model, obtaining a numerical value of a target parameter representing the stenosis degree of the section of blood vessel, and marking the intracranial blood vessel simulation three-dimensional model by utilizing the numerical value of the target parameter to obtain a simulated three-dimensional intracranial vessel stenosis analysis model.

Description

Technical field [0001] The present invention belongs to the field of image processing, and specifically, a method of establishing a three-dimensional narcotic model based on migration learning. Background technique [0002] In recent years, vascular diseases have been in high-risk diseases, and they have seriously harm the health and safety of contemporary people. In particular, intracranial vascular diseases such as stroke have become one of the fatal diseases. Stroke is a series of symptoms that are necrotic, narrow or blockage caused by intracranial blood vessels, and thereby producing a series of symptoms, including cerebral hemorrhage, cerebral infarction. [0003] At present, the evaluation of intracranial vascular lesions is usually used, such as Digital Subtraphy, DSAs, CTA, CTA, CTA, magnetic resonance imaging High-resolution magnetic resonanceangraphy, hrmra, etc. (MRA), and high-resolution magnetic resonanceang imaging (HRMRA). The intracranial artery blood vessel is c...

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Problems solved by technology

[0005] Because the images corresponding to the bright blood sequence and black blood sequence

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