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Image artifact correction method and system

A correction method and image technology, applied in the field of image artifact correction methods and systems, capable of solving problems affecting local lesion recognition and reducing imaging quality

Pending Publication Date: 2019-07-26
SHANGHAI UNITED IMAGING HEALTHCARE
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, if there is bone tissue in the scanned area, bone sclerosis artifacts will appear, which will reduce the imaging quality and affect the identification of local lesions in clinical CT images

Method used

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  • Image artifact correction method and system

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Embodiment Construction

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some examples or embodiments of the present application, and those skilled in the art can also apply the present application to other similar scenarios. Unless otherwise apparent from context or otherwise indicated, like reference numerals in the figures represent like structures or operations.

[0028] It should be understood that "system", "device", "unit" and / or "module" as used herein is a method used to distinguish different components, elements, parts, parts or assemblies of different levels. However, the words may be replaced by other expressions if other words can achieve the same purpose.

[0029] As indicated in this application and claims, the terms "a", "an", "an" and / or "t...

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Abstract

The invention relates to an image artifact correction method. The method comprises the steps of obtaining an initial image; processing the initial image by using a machine learning model to obtain artifact correction information of the initial image; determining an artifact-corrected image corresponding to the initial image at least according to the artifact correction information of the initial image, wherein the machine learning model comprises a first sub-model and a second sub-model, the first sub-model is used for generating first type of artifact correction information, and the second sub-model is used for generating second type of artifact correction information.

Description

technical field [0001] The present application relates to the field of image processing, in particular to an image artifact correction method and system. Background technique [0002] In the process of computerized tomography (Computed Tomography) imaging, the neglected X-ray multi-energy spectrum characteristics and its influence on image reconstruction algorithms lead to beam hardening artifacts in reconstructed images, including cupping artifacts, Streak artifacts etc. For example, if there is bone tissue in the scanned area, bone sclerosis artifacts will appear, which will reduce the imaging quality and affect the identification of local lesions in clinical CT images. Therefore, it is desirable to have a convenient and effective artifact correction method and system. Contents of the invention [0003] One aspect of the present application provides an image artifact correction method. The method includes: acquiring an initial image; processing the initial image with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T11/00G06N20/00
CPCG06T11/008G06N20/00G06T2207/10081G06T2207/30016G06T2207/30008G06T2207/20081G06T2207/20084A61B6/5258A61B6/03A61B6/501A61B8/5269A61B5/055A61B5/7203A61B5/7267G06T2211/441G06T2211/448G06T5/70G06T5/60A61B6/032A61B6/037G06T5/50G06T7/0014G06T2207/10088G06T2207/10104G06T2207/10116G06T2207/10132G06T2207/30048G06T2207/30092G06T2207/30101G06T5/73
Inventor 苏彬刘炎炎
Owner SHANGHAI UNITED IMAGING HEALTHCARE
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